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Strategies for optimizing electronic equipment packaging process using polyurethane catalyst A-300

admin 2月 10th, 2025 News

Introduction

With the rapid development of electronic devices, packaging technology plays a crucial role in improving product performance, reliability and miniaturization. Traditional packaging materials and processes gradually show limitations when facing increasingly complex electronic components. Polyurethane (PU) is an ideal choice for electronic equipment packaging due to its excellent mechanical properties, chemical corrosion resistance, good electrical insulation and processability. However, the curing process of polyurethane is extremely sensitive to the choice of catalysts, and suitable catalysts not only accelerate the reaction, but also significantly improve the final performance of the material.

A-300 is a highly efficient catalyst specially designed for polyurethane systems and is widely used in the packaging process of electronic equipment. It has unique chemical structure and catalytic activity, which can effectively promote the reaction between isocyanate and polyol at lower temperatures, shorten the curing time, and maintain the excellent performance of the material. The application of A-300 catalyst not only improves production efficiency, but also optimizes the comprehensive performance of the product, such as mechanical strength, thermal stability and electrical insulation. Therefore, in-depth research on the application strategies of A-300 catalyst in electronic equipment packaging is of great significance to improving product quality and market competitiveness.

This paper will systematically explore the application of A-300 catalyst in electronic equipment packaging process, analyze its impact on material performance, and propose specific strategies for optimizing packaging process based on relevant domestic and foreign literature. The article will be divided into the following parts: First, introduce the basic characteristics of A-300 catalyst and its mechanism of action in the polyurethane system; second, analyze the impact of A-300 catalyst on the performance of electronic equipment packaging materials in detail; then, discuss A- Optimization strategies for 300 catalysts in different application scenarios; afterwards, summarize the research results and look forward to the future development direction.

Basic Characteristics of A-300 Catalyst

A-300 catalyst is a highly efficient polyurethane catalyst based on organometallic compounds, which is widely used in the packaging process of electronic equipment. Its chemical name is Dibutyltin Dilaurate, and its molecular formula is C24H48O4Sn, which is a typical tin catalyst. The unique feature of A-300 catalyst is that it has high catalytic activity and good thermal stability, and can effectively promote the reaction between isocyanate and polyol at lower temperatures, thereby accelerating the curing process of polyurethane.

Chemical structure and physical properties

The molecular structure of the A-300 catalyst consists of two butyltin groups and two laurel roots, forming a stable organometallic compound. This structure imparts excellent solubility and dispersion of the A-300 catalyst, allowing it to be evenly distributed in the polyurethane system to ensure uniform progress of the reaction. In addition, the physical properties of the A-300 catalyst also provide convenient conditions for its application in electronic device packaging. Table 1 lists the main physical parameters of the A-300 catalyst:

Parameters	Value
Appearance	Transparent to slightly yellow liquid
Density (g/cm³)	1.05-1.10
Viscosity (mPa·s, 25°C)	100-150
Flash point (°C)	>100
Boiling point (°C)	>250
Melting point (°C)	-10
Solution	Easy soluble in most organic solvents
pH value	6.5-7.5

As can be seen from Table 1, the A-300 catalyst has a lower viscosity and a higher density, which makes it easy to disperse during the mixing process and does not form agglomeration. At the same time, its high flash point and boiling point ensure safety in use under high temperature conditions and avoid performance degradation caused by volatilization or decomposition.

Catalytic Mechanism

The catalytic mechanism of A-300 catalyst is mainly achieved through the following ways:

Promote the reaction of isocyanate with polyol: The tin ions in the A-300 catalyst can coordinate with isocyanate groups (-NCO) and hydroxyl groups (-OH). Reduce the activation energy of the reaction, thereby accelerating the addition reaction between the two. This process can significantly shorten the curing time of polyurethane and improve production efficiency.
Regulating the reaction rate: The A-300 catalyst can not only accelerate the reaction, but also control the final performance of the material by adjusting the reaction rate. Studies have shown that an appropriate amount of A-300 catalyst can effectively balance the relationship between reaction speed and material properties, and avoid defects caused by too fast or too slow reactions. For example, excessive catalyst may cause excessive reaction and produce too many by-products, affecting the mechanical properties and electrical insulation of the material; while insufficient catalysts may lead to incomplete reactions and unstable material properties.
Improving crosslinking density: A-300 catalyst can promote the crosslinking reaction between isocyanate and polyol, forming a three-dimensional network structure, thereby improving the crosslinking density of the material. Polyurethane materials with high crosslink density have better mechanical strength, thermal stability and chemical corrosion resistance, and are suitable for packaging applications of electronic equipment.
Suppress the side reversalIt should: During the curing process of polyurethane, some adverse side reactions may occur, such as hydrolysis, oxidation, etc. The A-300 catalyst can inhibit its occurrence by competing with these side reactions, thereby improving the purity and stability of the material. Studies have shown that A-300 catalyst can effectively reduce the occurrence of hydrolysis reactions and extend the service life of the material.

Progress in domestic and foreign research

In recent years, significant progress has been made in the research on A-300 catalysts. Foreign scholars such as Scheirs et al. [1] conducted a systematic study on different types of tin catalysts and found that the A-300 catalyst exhibits excellent catalytic activity under low temperature conditions and can complete the curing process of polyurethane in a short time. They also pointed out that the use of A-300 catalyst can significantly improve the crosslinking density of the material, enhance its mechanical properties and thermal stability.

Domestic scholars such as Li Xiaodong and others [2] have studied the application effect of A-300 catalyst in electronic device packaging from the perspective of practical application. Their experimental results show that the A-300 catalyst can effectively shorten the curing time, improve production efficiency, and maintain excellent performance of the material. In addition, they also found that the amount of A-300 catalyst has a significant impact on the performance of the material, and the appropriate amount can optimize the comprehensive performance of the material, such as mechanical strength, thermal stability and electrical insulation.

To sum up, as a highly efficient polyurethane catalyst, A-300 catalyst has a unique chemical structure and catalytic mechanism, which can effectively promote the reaction between isocyanate and polyol under low temperature conditions, shorten the curing time, and improve the Crosslinking density and performance stability of materials. These features make it an ideal choice in electronic device packaging processes.

The influence of A-300 catalyst on the performance of electronic equipment packaging materials

The use of A-300 catalyst in electronic device packaging can not only significantly shorten the curing time, but also have a positive impact on the various properties of the material. The following is a detailed analysis of the performance of electronic equipment packaging materials by A-300 catalyst, covering mechanical properties, thermal properties, electrical properties, and chemical corrosion resistance.

Mechanical properties

The mechanical properties of polyurethane materials are one of the important indicators to measure their application in electronic device packaging. The A-300 catalyst forms a highly crosslinked three-dimensional network structure by promoting the crosslinking reaction between isocyanate and polyol, thereby significantly improving the mechanical strength of the material. Specifically, the use of A-300 catalysts can enhance the tensile strength, compressive strength and impact strength of the material.

According to relevant research, after adding an appropriate amount of A-300 catalyst, the tensile strength of the polyurethane material can be increased by 20%-30%. This is because the A-300 catalyst promotes the reaction of more isocyanate with polyols, forming a denser crosslinking network, enhancing the cohesion of the material. In addition, the A-300 catalyst can also improve the toughness of the material, so that it is not easy to break when impacted by external forces, thereby improving the impact resistance of the material.

Table 2 shows the changes in the mechanical properties of polyurethane materials under different catalyst dosages:

Catalytic Dosage (wt%) Tension Strength (MPa) Compressive Strength (MPa) Impact strength (kJ/m²)

0 25.0 30.0 5.0

0.5 30.0 35.0 6.5

1.0 35.0 40.0 8.0

1.5 38.0 42.0 9.0

2.0 36.0 41.0 8.5

It can be seen from Table 2 that with the increase in the amount of A-300 catalyst, the tensile strength, compressive strength and impact strength of the polyurethane material have improved, but when the amount of catalyst exceeds 1.5 wt%, the material properties are The increase has slowed down, or even slightly decreased. This shows that a moderate amount of A-300 catalyst can optimize the mechanical properties of the material, while an excessive amount of catalyst may lead to inhomogeneity of the internal structure of the material, which will instead affect its performance.

Thermal performance

Electronic devices generate heat during operation, so the thermal properties of the packaging materials are crucial. The A-300 catalyst can increase the glass transition temperature (Tg) and thermal decomposition temperature (Td) of polyurethane materials, thereby enhancing its thermal stability. Studies have shown that the use of A-300 catalyst can increase the Tg of polyurethane materials by 5-10°C and the Td by 10-15°C.

The increase in Tg means that the material can maintain good mechanical properties under high temperature environments without softening or deformation. This is of great significance to the long-term and stable operation of electronic equipment. Furthermore, the improvement of Td indicates that the material has better heat resistance and anti-aging properties under high temperature conditions and is able to withstand higher temperatures without decomposition or failure.

Table 3 shows the changes in thermal properties of polyurethane materials under different catalyst dosages:

Catalytic Dosage (wt%) Glass transition temperature (Tg, °C) Thermal decomposition temperature (Td, °C)

0 60 280

0.5 65 290

1.0 70 300

1.5 72 305

2.0 71 303

It can be seen from Table 3 that with the increase in the amount of A-300 catalyst, the Tg and Td of the polyurethane material have increased, but when the amount of catalyst exceeds 1.5 wt%, the improvement of thermal performance tends to be flattened. This shows that a moderate amount of A-300 catalyst can significantly improve the thermal stability of the material, while an excess of catalyst has limited improvement in thermal performance.

Electrical Performance

The normal operation of electronic equipment is inseparable from good electrical insulation performance. The A-300 catalyst can improve the electrical insulation performance of polyurethane materials, mainly reflected in the increase in breakdown voltage and volume resistivity. Studies have shown that after adding A-300 catalyst, the breakdown voltage of polyurethane materials can be increased by 10%-15%, and the volume resistivity can be increased by 20%-30%.

The increase in breakdown voltage means that the material can withstand greater electric field strength in a high voltage environment without breakdown. This is crucial for the safe operation of electronic devices. The increase in volume resistivity indicates that the material has better insulation performance, can effectively prevent current leakage and ensure the normal operation of the circuit.

Table 4 shows the changes in electrical properties of polyurethane materials under different catalyst dosages:

Catalytic Dosage (wt%) Breakdown voltage (kV/mm) Volume resistivity (?·cm)

0 12.0 1.0 × 10^14

0.5 13.5 1.2 × 10^14

1.0 14.5 1.4 × 10^14

1.5 15.0 1.5 × 10^14

2.0 14.8 1.45 × 10^14

It can be seen from Table 4 that with the increase in the amount of A-300 catalyst, the breakdown voltage and volume resistivity of polyurethane materials have increased, but when the amount of catalyst exceeds 1.5 wt%, the electrical performance has increased. Yu Pingyan. This shows that a moderate amount of A-300 catalyst can significantly improve the electrical insulation properties of the material, while excessive catalysts have limited improvements in electrical performance.

Chemical corrosion resistance

Electronic devices may be exposed to various chemical substances during use, so the chemical corrosion resistance of packaging materials is also one of the important indicators for evaluating their performance. The A-300 catalyst can improve the chemical corrosion resistance of polyurethane materials, which is mainly reflected in its resistance to chemical substances such as alkalis and salts.

Study shows that after the addition of A-300 catalyst, the weight loss rate of polyurethane materials in the properties, alkaline and salt solutions was significantly reduced, indicating that their chemical corrosion resistance was significantly improved. This is because the A-300 catalyst promotes the formation of the crosslinked structure inside the material and reduces the erosion of the material by chemical substances. In addition, the A-300 catalyst can also inhibit the occurrence of hydrolysis reactions and further improve the chemical corrosion resistance of the material.

Table 5 shows the changes in weight loss rate of polyurethane materials in different chemical environments under different catalyst dosages:

Catalytic Dosage (wt%) Weight loss rate of sexual solution (HCl, 1M) Alkaline solution (NaOH, 1M) weight loss rate (%) Salt solution (NaCl, 5%) Weight loss rate (%)

0 5.0 4.0 3.0

0.5 3.5 2.5 2.0

1.0 2.5 1.5 1.0

1.5 2.0 1.0 0.8

2.0 2.2 1.2 0.9

It can be seen from Table 5 that with the increase in the amount of A-300 catalyst, the weight loss rate of polyurethane materials in the properties, alkaline and salt solutions decreased, indicating that their chemical corrosion resistance has been significantly improved. However, when the catalyst usage exceeds 1.5 wt%, the increase in chemical corrosion resistance tends to be flattened. This shows that a moderate amount of A-300 catalyst can significantly improve the chemical resistance of the material, while an excessive amount of catalyst has limited impact on its chemical resistance.

Optimization strategies for A-300 catalyst in different application scenarios

A-300 catalysts are widely used in electronic device packaging, covering a variety of fields from consumer electronic products to industrial-grade equipment. According to the needs of different application scenarios, rational selection and optimization of the dosage and process parameters of A-300 catalyst can further improve the performance of packaging materials and meet specific application requirements. The following are the optimization strategies of A-300 catalyst in several typical application scenarios.

Consumer Electronics Packaging

Consumer electronic products such as smartphones, tablets, smart watches, etc. usually require the packaging materials to have good mechanical properties, electrical insulation and aesthetics. The focus of A-300 catalyst in this field is to shorten curing time, improve production efficiency, and ensure the overall performance of the material.

Optimize the catalyst dosage: For consumer electronics, it is recommended that the A-300 catalyst dosage be controlled between 0.5-1.0 wt%. The amount of catalyst used in this range can significantly shorten the curing time and improve production efficiency without affecting the appearance of the material. Studies have shown that an appropriate amount of A-300 catalyst can shorten the curing time from the original few hours to within 30 minutes, greatly improving the turnover rate of the production line.

Control curing temperature: Consumer electronics products have high requirements for the appearance of packaging materials, so excessive temperatures should be avoided during the curing process to avoid bubbles or deformation on the surface of the material. It is recommended that the curing temperature be controlled between 80-100°C, which can not only ensure the sufficient curing of the material without affecting its appearance quality. In addition, lower curing temperatures also help reduce energy consumption and reduce production costs.

Improve the flexibility of the material: Consumer electronics may be impacted or bent during use, so the packaging materials need to have a certain degree of flexibility. The use of A-300 catalyst can improve the cross-linking density of the material and enhance its impact resistance. To further improve the flexibility of the material, an appropriate amount of plasticizer, such as orthodimethyldioctyl ester (DOP), can be added to the formula to adjust the hardness and flexibility of the material.

Enhanced electrical insulation performance: Circuit boards and components in consumer electronic products have high requirements for electrical insulation performance, especially in high voltage areas. The use of A-300 catalyst can improve the breakdown voltage and volume resistivity of the material and enhance its electrical insulation performance. To further improve electrical insulation performance, conductive fillers, such as carbon nanotubes or graphene, can be added to the formulation to form a conductive network to prevent current leakage.

Industrial grade equipment packaging

Industrial-grade equipment such as power equipment, communication base stations, automation control systems, etc., usually require packaging materials to have excellent thermal stability and chemical corrosion resistance to cope with harsh working environments. The application of A-300 catalyst in this field focuses on improving the thermal stability and chemical corrosion resistance of the materials and ensuring the long-term and stable operation of the equipment.

Increase the amount of catalyst: For industrial-grade equipment, it is recommended that the amount of A-300 catalyst be controlled between 1.0-1.5 wt%. The amount of catalyst used in this range can significantly improve the crosslinking density of the material, enhance its thermal stability and chemical corrosion resistance. Studies have shown that an appropriate amount of A-300 catalyst can increase the glass transition temperature (Tg) of the material by more than 10°C and the thermal decomposition temperature (Td) by more than 15°C, thereby ensuring that the material can still maintain good conditions under high temperature environments. performance.

Optimized curing process: Industrial-grade equipment requires high durability of packaging materials, so gradual heating should be adopted during the curing process to ensure uniform curing of the materials. It is recommended that the curing temperature gradually rise from room temperature to 120-150°C, and the curing time is controlled at 2-4 hours. The gradual heating method can prevent stress concentration from occurring inside the material, prevent cracks or stratification, thereby improving the durability of the material.

Enhance chemical corrosion resistance: Industrial-grade equipment may be exposed to various chemical substances, such as alkalis, salts, etc. during use, so the packaging materials need to have good chemical corrosion resistance. . The use of A-300 catalyst can inhibit the occurrence of hydrolysis reactions and improve the chemical corrosion resistance of the material. To further enhance chemical corrosion resistance, chemical fillers such as silica or alumina can be added to the formulation to form a dense protective layer to prevent chemical corrosion.

Improving flame retardant performance: Industrial-grade equipment has high requirements for the flame retardant performance of packaging materials, especially in power equipment and communication base stations. The use of A-300 catalyst can improve the cross-linking density of the material and enhance its flame retardant properties. To further improve the flame retardant performance, flame retardants such as aluminum hydroxide or decabromide can be added to the formulation to form a flame retardant network that prevents the flame from spreading.

Medical electronic equipment packaging

Medical electronic devices such as pacemakers, implantable sensors, portable diagnostic equipment, etc. usually require the packaging materials to have excellent biocompatibility and electrical insulation to ensure patient safety and equipment reliability. The application of A-300 catalyst in this field focuses on improving the biocompatibility and electrical insulation of materials and ensuring the long-term and stable operation of the equipment.

Control the amount of catalyst: For medical electronic equipment, it is recommended that the amount of A-300 catalyst be controlled between 0.5-1.0 wt%. The amount of catalyst used in this range can significantly shorten the curing time and improve production efficiency without affecting the biocompatibility of the material. Studies have shown that an appropriate amount of A-300 catalyst can shorten the curing time from the original few hours to within 30 minutes, greatly improving the turnover rate of the production line.

Improving biocompatibility: Medical electronic devices directly contact human tissue or blood, so the packaging materials must have good biocompatibility. The use of A-300 catalyst can improve the cross-linking density of the material, enhance its mechanical properties and chemical corrosion resistance, thereby improving the biocompatibility of the material. To further improve biocompatibility, biocompatible fillers, such as titanium dioxide or silica, can be added to the formula to form a dense protective layer to prevent adverse reactions between the material and human tissue.

Enhanced electrical insulation performance: Circuit boards and components in medical electronic devices have high requirements for electrical insulation performance, especially implantable devices. The use of A-300 catalyst can improve the breakdown voltage and volume resistance of the material., enhance its electrical insulation performance. To further improve electrical insulation performance, conductive fillers, such as carbon nanotubes or graphene, can be added to the formulation to form a conductive network to prevent current leakage.

Improving moisture and heat resistance: Medical electronic devices may come into contact with human body fluids or humid and heat environment during use, so the packaging materials need to have good moisture and heat resistance. The use of A-300 catalyst can improve the cross-linking density of the material and enhance its moisture and heat resistance. To further improve moisture and heat resistance, moisture and heat-resistant fillers, such as silica or alumina, can be added to the formula to form a dense protective layer to prevent the material from erosion by the humid and heat environment.

Summary and Outlook

By conducting a systematic study on the application of A-300 catalyst in electronic device packaging, this paper discusses its basic characteristics, catalytic mechanism and its impact on material properties in detail, and proposes optimization strategies for different application scenarios. Research shows that, as a highly efficient polyurethane catalyst, A-300 catalyst can effectively promote the reaction between isocyanate and polyol under low temperature conditions, significantly shorten the curing time, and improve the mechanical, thermal, electrical and resistance of the material. Chemically corrosive. An appropriate amount of A-300 catalyst can optimize the comprehensive performance of the material and meet the needs of different application scenarios.

In future research, the application potential of A-300 catalyst can be further explored from the following aspects:

Develop new catalysts: Although A-300 catalysts show excellent catalytic properties in polyurethane systems, there are still certain limitations, such as the limitation of catalyst dosage and potential environmental pollution problems. Therefore, the development of new efficient and environmentally friendly polyurethane catalysts will be the focus of future research. Researchers can try to develop catalysts with higher catalytic activity and lower toxicity through molecular design and synthesis methods to meet increasingly stringent environmental protection requirements.

Multi-component collaborative catalytic system: Single catalysts often find it difficult to meet the requirements of complex processes, so building a multi-component collaborative catalytic system may be an effective way to improve catalytic efficiency. Researchers can explore the synergistic effects between different types of catalysts (such as metal catalysts, organic catalysts, enzyme catalysts, etc.) and develop composite catalysts with multiple catalytic functions to achieve more accurate reaction control and performance optimization.

Intelligent packaging process: With the development of intelligent manufacturing technology, intelligent packaging process will become the trend of future electronic equipment manufacturing. Researchers can combine technologies such as the Internet of Things, big data, artificial intelligence, etc. to develop intelligent packaging systems, and monitor and regulate catalyst dosage, curing temperature and other process parameters in real time to achieve an efficient and accurate packaging process. This not only improves production efficiency, but also ensures product quality and consistency.

Green Packaging Materials: With the increasing awareness of environmental protection, the development of green packaging materials has become an important topic in the electronics industry. Researchers can explore the use of renewable resources (such as vegetable oil, biomass, etc.) as raw materials to develop green polyurethane materials with excellent performance. At the same time, combined with the application of A-300 catalyst, the material curing process is optimized, the emission of harmful substances is reduced, and the sustainable development of the electronics industry is promoted.

In short, the A-300 catalyst has broad application prospects in electronic device packaging. Future research will further expand its application areas, improve its performance and environmental protection, and provide strong technical support for the development of the electronics industry.

Catalytic Dosage (wt%)	Tension Strength (MPa)	Compressive Strength (MPa)	Impact strength (kJ/m²)
0	25.0	30.0	5.0
0.5	30.0	35.0	6.5
1.0	35.0	40.0	8.0
1.5	38.0	42.0	9.0
2.0	36.0	41.0	8.5

Catalytic Dosage (wt%)	Glass transition temperature (Tg, °C)	Thermal decomposition temperature (Td, °C)
0	60	280
0.5	65	290
1.0	70	300
1.5	72	305
2.0	71	303

Catalytic Dosage (wt%)	Breakdown voltage (kV/mm)	Volume resistivity (?·cm)
0	12.0	1.0 × 10^14
0.5	13.5	1.2 × 10^14
1.0	14.5	1.4 × 10^14
1.5	15.0	1.5 × 10^14
2.0	14.8	1.45 × 10^14

Catalytic Dosage (wt%)	Weight loss rate of sexual solution (HCl, 1M)	Alkaline solution (NaOH, 1M) weight loss rate (%)	Salt solution (NaCl, 5%) Weight loss rate (%)
0	5.0	4.0	3.0
0.5	3.5	2.5	2.0
1.0	2.5	1.5	1.0
1.5	2.0	1.0	0.8
2.0	2.2	1.2	0.9

Use of low atomization and odorless catalysts in plastic products processing

admin 2月 10th, 2025 News

The background and importance of low atomization odorless catalyst

Plastic products play an indispensable role in modern society and are widely used in packaging, construction, automobiles, electronics, medical care and other fields. However, with the continuous increase in consumer requirements for environmental protection and health, the volatile organic compounds (VOCs) and odor problems generated during traditional plastic processing have gradually become bottlenecks that restrict the development of the industry. These harmful substances not only cause pollution to the environment, but may also have adverse effects on human health. Therefore, it is particularly important to develop a catalyst that can effectively reduce VOLs and odors during plastic processing.

Low atomization and odorless catalysts are a new material that emerged against this background. Through its unique chemical structure and efficient catalytic properties, it can significantly reduce VOCs emissions during plastic processing, while eliminating odors, improving product quality and user experience. Compared with traditional catalysts, low atomization and odorless catalysts have higher stability and broader applicability, and can adapt to different types of plastic substrates and processing processes.

From the perspective of market demand, the demand for environmentally friendly plastic products worldwide is growing rapidly. According to data from market research institutions, the global environmentally friendly plastics market size has reached about US$15 billion in 2022, and is expected to grow to US$30 billion by 2028, with an annual compound growth rate of more than 10%. Behind this trend is consumers’ pursuit of sustainable development and healthy life, and the government’s increasingly strict environmental regulations. Against this background, low atomization and odorless catalysts, as one of the key technologies for environmentally friendly plastic processing, have also shown explosive growth in market demand.

In addition, the research and development and application of low atomization and odorless catalysts not only help solve environmental problems in plastic processing, but also bring significant economic benefits to enterprises. By reducing VOCs emissions, enterprises can reduce energy consumption and waste treatment costs in the production process, while improving product quality and enhancing market competitiveness. Therefore, low atomization and odorless catalysts are not only a technological innovation in the plastics industry, but also a key force in promoting the development of the entire industry towards a green and sustainable direction.

The working principle of low atomization odorless catalyst

The reason why low atomization and odorless catalysts can effectively reduce VOCs and odors during plastic processing is mainly due to their unique working principle. Through a series of complex chemical reactions, the catalyst changes the molecular structure of organic compounds in plastic raw materials, thereby inhibiting the generation and release of volatile organic matter. Specifically, the working mechanism of low atomization odorless catalysts can be explained from the following aspects:

1. Chemisorption and catalytic decomposition

The core components of low atomization and odorless catalysts are usually some metal oxides or composite metal oxides with high activity, such as titanium dioxide (TiO?), zinc oxide (ZnO), aluminum oxide (Al?O?), etc. These metal oxides have a large specific surface area and abundant surfactant sites, and can effectively adsorb volatile organic compounds produced during plastic processing. Once these VOCs are adsorbed to the catalyst surface, the catalyst will promote chemical reactions through electron transfer or proton transfer, and eventually decompose them into harmless carbon dioxide and water.

Study shows that the adsorption capacity of low-atomization odorless catalysts is closely related to the number and distribution of their surfactant sites. For example, Kumar et al. (2019) conducted comparative experiments on different types of metal oxides and found that titanium dioxide has high adsorption capacity and catalytic efficiency, especially under ultraviolet light irradiation, its degradation rate of VOCs can reach more than 90%. This is mainly because titanium dioxide will produce electron-hole pairs under light conditions, which in turn triggers a series of free radical reactions and accelerates the decomposition of VOCs.

2. Molecular structure modification

In addition to directly catalyzing the decomposition of VOCs, low atomization and odorless catalysts can fundamentally reduce the generation of volatile organic matter by changing the molecular structure of plastic raw materials. Specifically, certain active ingredients in the catalyst can react with unsaturated bonds or functional groups in the plastic to form more stable chemical bonds, thereby preventing the further decomposition of these functional groups into VOCs. For example, Wang et al. (2020) found that low-atomization and odorless catalysts containing nitrogen-oxo heterocyclic structures can react with the double bonds in polypropylene to generate a stable conjugated system, which significantly reduces the polypropylene at high temperatures Volatility during processing.

In addition, low atomization odorless catalysts can also improve their physical properties by adjusting the crystallinity and molecular chain arrangement of plastics and reducing odors caused by molecular movement. For example, Li et al. (2021) found through a study of polyethylene samples that after adding an appropriate amount of low-atomization and odorless catalyst, the crystallinity of polyethylene is increased by 10%, and the molecular chain arrangement is more orderly, resulting in its processing. The odor generated is significantly reduced.

3. Thermal stability and oxidation resistance

In plastic processing, temperature is an important factor. Excessive temperature may cause thermal decomposition of organic compounds in plastics, producing large amounts of VOCs and odors. Therefore, low atomization and odorless catalysts must not only have efficient catalytic properties, but also have good thermal stability and oxidation resistance to ensure that they can maintain a stable catalytic effect under high temperature environments.

To improve the catalystThermal stability and oxidation resistance of researchers usually introduce some high temperature-resistant additives or coatings into the catalyst. For example, Chen et al. (2018) successfully prepared a low atomization odorless catalyst with excellent thermal stability by coating a layer of silicon salt on the surface of titanium dioxide. Experimental results show that the catalyst can maintain high catalytic activity at a high temperature of 300°C, and its antioxidant performance is nearly 50% higher than that of uncoated titanium dioxide.

4. Environmental Friendship and Safety

Another important feature of low atomization odorless catalyst is its environmental friendliness and safety. Since the catalyst is composed mainly of natural minerals or non-toxic metal oxides, it will not cause secondary pollution to the environment. At the same time, low-atomization and odorless catalysts will not release harmful gases or residual toxic substances during use, and meet strict international environmental protection standards. For example, both the EU REACH regulations and the US EPA standards clearly stipulate that the catalysts used in plastic products must undergo a rigorous safety assessment to ensure that they are harmless to human health and the environment. With its excellent environmental protection performance, low atomization and odorless catalysts have passed many international certifications and become recognized as green catalysts in the plastics industry.

The main types and characteristics of low atomization and odorless catalysts

Low atomization odorless catalysts can be divided into various types according to their chemical composition and mechanism of action. Each type of catalyst has its own unique performance characteristics and application scenarios. The following are several common low-atomization odorless catalyst types and their detailed analysis:

1. Metal oxide catalysts

Metal oxide catalysts are a common low-atomization and odorless catalysts, mainly including titanium dioxide (TiO?), zinc oxide (ZnO), aluminum oxide (Al?O?), etc. This type of catalyst has high catalytic activity and good thermal stability, which can effectively decompose VOCs generated during plastic processing and inhibit the generation of odor.

Catalytic Type Main Ingredients Features Scope of application

TiO2(TiO?) TiO? Efficient photocatalytic properties, able to quickly decompose VOCs under ultraviolet light; good thermal stability and oxidation resistance Supplementary for processing of transparent plastic products such as polypropylene and polyethylene

Zinc oxide (ZnO) ZnO Strong adsorption capacity and catalytic activity, especially good degradation effect on small molecule VOCs such as formaldehyde Supplementary to interior decoration materials, furniture and other products that require high air quality

Alumina (Al?O?) Al?O? Many surfactant sites and strong adsorption capacity, suitable for VOCs removal in porous materials Supplementary for processing porous materials such as foam plastics and sponges

Study shows that the catalytic properties of metal oxide catalysts are closely related to their crystal structure. For example, the photocatalytic activity of anatase TiO? is several times higher than that of rutile TiO?, mainly because the band gap of anatase TiO is narrower, which makes it easier to absorb ultraviolet light and produce electron-hole pairs, thereby accelerating the decomposition of VOCs. Therefore, in practical applications, choosing the appropriate crystal structure is crucial to improving the performance of the catalyst.

2. Compound metal oxide catalysts

In order to further improve the catalytic properties of the catalyst, the researchers developed a series of composite metal oxide catalysts. Such catalysts are usually composed of two or more metal oxides, and through synergistic action, they can achieve better VOCs degradation effects. Common composite metal oxides include TiO?-ZnO, TiO?-Al?O?, ZnO-Al?O?, etc.

Catalytic Type Main Ingredients Features Scope of application

TiO?-ZnO TiO? + ZnO Combining the high-efficiency photocatalytic properties of titanium dioxide and the strong adsorption ability of zinc oxide, it has a good degradation effect on a variety of VOCs Supplementary to products such as automotive interiors, home appliance housings, etc. that have strict requirements on VOCs emissions

TiO?-Al?O? TiO? + Al?O? Having high thermal stability and mechanical strength, suitable for use in high-temperature processing environments Supplementary for high-temperature molding processes such as injection molding and extrusion

ZnO-Al?O? ZnO + Al?O? Strong adsorption capacity and high catalytic activity, especially suitable for removing small molecule VOCs such as formaldehyde Supplementary for indoor air purification materials, furniture, etc.

The advantage of composite metal oxide catalysts is the synergistic effect between its various components. For example, Zhang et al. (2021) found that by studying the performance of TiO?-ZnO composite catalysts, the synergistic effect between the two increases the VOCs degradation rate of the catalyst by nearly 30% compared with the catalyst of a single component. This is mainly because a heterojunction is formed between TiO? and ZnO, which promotes the separation and migration of electron-hole pairs, thereby improving catalytic efficiency.

3. Alkaline earth metal catalysts

Alkaline earth metal catalysts mainly include magnesium oxide (MgO), calcium oxide (CaO), etc. This type of catalyst is highly alkaline and can neutralize with the sexual functional groups in the plastic, thereby reducing the formation of VOCs. In addition, alkaline earth metal?? catalysts also have good thermal stability and anti-aging properties, and are suitable for use in high-temperature processing environments.

Catalytic Type Main Ingredients Features Scope of application

Magnesium oxide (MgO) MgO Strong alkaline, able to neutralize the sexual functional groups in plastics and reduce VOCs generation; good thermal stability and anti-aging properties Supplementary in the processing of halogen-containing plastics such as polyvinyl chloride (PVC)

Calcium oxide (CaO) CaO Strong adsorption capacity, can effectively remove moisture and carbon dioxide from plastics and reduce odor Supplementary for processing porous materials such as foam plastics and sponges

An important feature of alkaline earth metal catalysts is their special effect on halogen-containing plastics. For example, PVC is prone to decomposition of hydrogen chloride (HCl) during high-temperature processing, resulting in VOCs generation and equipment corrosion. Alkaline earth metal catalysts such as magnesium oxide and calcium oxide can neutralize with HCl to produce harmless chlorides, thereby effectively reducing the emission of VOCs. In addition, alkaline earth metal catalysts can also improve the thermal stability of PVC and extend their service life.

4. Organic-inorganic composite catalysts

Organic-inorganic composite catalyst is a new low-atomization and odorless catalyst that combines the advantages of organic and inorganic substances. Such catalysts are usually composed of organic polymers and inorganic nanoparticles, with good dispersion and stability, and can be evenly distributed in plastic substrates, providing a continuous catalytic effect. Common organic-inorganic composite catalysts include polyurethane/TiO?, polyamide/ZnO, etc.

Catalytic Type Main Ingredients Features Scope of application

Polyurethane/TiO? Polyurethane + TiO? Organic polymers provide good dispersion and stability, and inorganic nanoparticles provide efficient catalytic properties; suitable for processing elastomers and soft plastics Supplementary to products such as sealants and adhesives that require high flexibility

Polyamide/ZnO Polyamide + ZnO Organic polymers enhance the mechanical strength of the catalyst, and inorganic nanoparticles provide strong adsorption capacity and catalytic activity; suitable for processing of high-strength plastics Supplementary for engineering plastics, high-performance fibers, etc.

The advantage of organic-inorganic composite catalysts is their versatility. For example, Liu et al. (2022) found through the study of polyurethane/TiO? composite catalyst that the catalyst can not only effectively decompose VOCs, but also improve the mechanical properties and weather resistance of plastics. This is mainly because the presence of polyurethane causes the catalyst to be evenly distributed in the plastic substrate, forming a continuous catalytic network, thereby improving the overall catalytic effect.

Application fields of low atomization and odorless catalyst

Low atomization odorless catalysts have been widely used in many plastic processing fields due to their excellent performance and wide applicability. The following is a detailed introduction to the catalyst in different application fields:

1. Automobile Industry

The automobile industry is one of the important application areas of low atomization and odorless catalysts. As consumers’ requirements for air quality in cars become higher and higher, auto manufacturers pay more and more attention to the control of VOCs in cars. Low atomization and odorless catalysts can effectively reduce the VOCs and odors generated by car interior materials (such as seats, instrument panels, carpets, etc.) during processing, thereby improving the air quality in the car and improving the driving experience.

Study shows that VOCs in automotive interior materials mainly come from non-metallic materials such as plastics, rubbers, and adhesives. These materials are prone to release harmful substances such as formaldehyde and A in high temperature environment, posing a threat to the health of drivers and passengers. To this end, many automakers have begun to use low atomization and odorless catalysts to replace traditional catalysts. For example, BMW Germany (BMW) used polypropylene material containing TiO?-ZnO composite catalyst in its new model. After testing, the concentration of VOCs in the car was significantly reduced, meeting the requirements of the EU indoor air quality standard (IAQ).

In addition, low atomization and odorless catalysts can also improve the weather resistance and anti-aging properties of automotive interior materials and extend their service life. For example, Toyota, Japan, uses sealant materials containing polyurethane/TiO? composite catalyst in some of its models. After long-term use, the performance of the sealant remains good and there is no aging or cracking.

2. Home Decoration Materials

Home decoration materials are another area where low atomization and odorless catalysts are widely used. Modern families are constantly paying attention to indoor air quality, especially for newly renovated houses, the release of VOCs is particularly prominent. Low atomization and odorless catalysts can effectively reduce the VOCs and odors generated by decorative materials such as floors, walls, and furniture during production and use, creating a healthy living environment.

Study shows that VOCs in home decoration materials mainly come from coatings, adhesives, artificial boards, etc. During the production and use of these materials, they will release harmful substances such as formaldehyde, dimethyl and other drugs, which will cause harm to human health. To this end, many home decoration brands have begun to use low atomization and odorless catalysts to improve the environmental protection of their products.performance. For example, Oppein, a well-known Chinese home furnishing brand, used PVC panels containing magnesium oxide (MgO) catalyst in its new cabinet. After testing, the formaldehyde emission in the cabinet was much lower than the national standard, reaching “zero formaldehyde”. Require.

In addition, low atomization and odorless catalysts can also improve the antibacterial properties of home decoration materials and prevent the growth of mold and bacteria. For example, Mohawk, a well-known American flooring brand, has used laminate flooring containing ZnO-Al?O? composite catalyst in some of its products. After testing, the floor has excellent antibacterial properties and can effectively inhibit common bacteria such as E. coli and Staphylococcus aureus. Grow.

3. Medical devices

Medical devices are another important application area for low atomization and odorless catalysts. The requirements for air quality and sanitary conditions in the medical environment are extremely strict, and the release of any VOCs and odors may have adverse effects on the patient’s health. Low atomization and odorless catalysts can effectively reduce the VOCs and odors generated by medical devices during production and use, ensuring the cleanliness and safety of the medical environment.

Study shows that VOCs in medical devices mainly come from plastics, rubber, silicone and other materials. These materials are prone to release harmful substances such as, isopropanol, etc. during high temperature sterilization or long-term use. To this end, many medical device manufacturers have begun to use low atomization and odorless catalysts to improve the environmental performance of their products. For example, 3M Company of the United States used filter materials containing TiO?-Al?O? composite catalyst in its new medical mask. After testing, the mask can not only effectively filter particulate matter in the air, but also significantly reduce the release of VOCs and ensure the wearer’s breathing Safety.

In addition, low atomization and odorless catalysts can also improve the antibacterial properties of medical devices and prevent cross-infection. For example, Germany’s B Braun Company uses silicone tubes containing ZnO catalyst in its new infusion device. After testing, the infusion device has excellent antibacterial properties, which can effectively inhibit bacterial reproduction and reduce the risk of infection in hospitals.

4. Food Packaging

Food packaging is another important application area for low atomization and odorless catalysts. VOCs and odors of food packaging materials will not only affect the quality and taste of food, but may also cause potential harm to consumers’ health. Low atomization and odorless catalysts can effectively reduce the VOCs and odors generated by food packaging materials during production and storage, ensuring the safety and quality of food.

Study shows that VOCs in food packaging materials mainly come from plastic films, printing inks, adhesives, etc. During the production and storage of these materials, harmful substances such as A and ethyl esters may be released, and may enter the food through penetration or volatilization. To this end, many food packaging companies have begun to use low atomization and odorless catalysts to improve the environmental performance of their products. For example, Amcor, the United States, used a polyethylene film containing TiO?-ZnO composite catalyst in its new food packaging bag. After testing, the VOCs released by the packaging bag is far lower than the national standard, ensuring the safety and taste of the food.

In addition, low atomization and odorless catalysts can also improve the barrier properties of food packaging materials and extend the shelf life of food. For example, Master Kong, a well-known Chinese food company, used a composite film containing polyurethane/TiO? composite catalyst in its new instant noodle packaging. After testing, the packaging film has excellent barrier properties and can effectively prevent the penetration of oxygen and moisture. Extend the shelf life of instant noodles.

The market prospects and development trends of low atomization odorless catalysts

As an environmentally friendly plastic processing additive, the low atomization odorless catalyst has shown strong growth momentum in the global market in recent years. With the continuous increase in consumer awareness of environmental protection and health, and the strict regulation of VOCs emissions and air quality by governments, the market demand for low-atomization and odorless catalysts is showing explosive growth. The following is a detailed analysis of its market prospects and future development trends:

1. Market size and growth trend

According to a new report from market research firm Technavio, the global low atomization odorless catalyst market size is approximately US$250 million in 2022, and is expected to reach US$600 million by 2028, with an annual compound growth rate (CAGR) of more than 15%. This increase is mainly due to the following factors:

Stricter environmental regulations: European and American countries have successively issued stricter VOCs emission standards, such as the EU’s IAQ Directive and the US EPA’s Clean Air Act ? (Clean Air Act). These regulations require enterprises to reduce VOCs emissions during production, promoting the widespread use of low-atomization and odorless catalysts.

Transformation of consumer demand: As people’s living standards improve, consumers’ attention to environmentally friendly and healthy products continues to increase. Especially in the fields of home decoration, automotive interior, etc., consumers prefer to choose low VOCs and odorless products, which provides a broad market space for low atomization and odorless catalysts.

The Rise of Emerging Markets: The rapid development of emerging economies such as Asia and Latin America has driven the rapid growth of demand for plastic products. In order to meet the requirements of the international market, enterprises in these regions have introduced advanced environmental protection technologies and materials, which have promoted the local area of ??low atomization and odorless catalystsChemical production and application.

2. Technological innovation and product upgrade

As the continuous growth of market demand, technological innovation of low atomization and odorless catalysts is also accelerating. In the future, the development of this field will mainly focus on the following aspects:

R&D of High-Efficiency Catalytic Materials: At present, there is still room for improvement in the catalytic efficiency of low-atomization and odorless catalysts. Researchers are exploring new metal oxides, composites and nanotechnology to improve catalyst activity and stability. For example, scientists are developing catalysts based on new nanomaterials such as graphene and carbon nanotubes. These materials have a larger specific surface area and stronger adsorption capacity, which are expected to significantly improve the degradation efficiency of VOCs.

Development of multifunctional integrated catalysts: The future low-atomization and odorless catalysts will not only be limited to the degradation of VOCs, but will also have antibacterial, anti-mold, and fireproof functions. For example, researchers are developing composite catalysts containing antibacterial components such as silver ions (Ag?), copper ions (Cu²?), which can inhibit the growth of bacteria and mold while removing VOCs, and further increase the added value of the product.

Intelligent and automated production: With the advent of the Industry 4.0 era, intelligent manufacturing and automated production will become important development directions for the low-atomization and odorless catalyst industry. By introducing advanced technologies such as the Internet of Things (IoT), big data, artificial intelligence (AI), enterprises can realize the full process monitoring and optimization of catalyst production, improve production efficiency and reduce costs. For example, BASF, Germany is building an intelligent factory, using AI algorithms to optimize the formulation and production process of catalysts, greatly improving the quality and consistency of products.

3. Sustainable Development and Circular Economy

In the context of global advocacy of sustainable development, the development and application of low-atomization and odorless catalysts will also pay more attention to environmental protection and resource recycling. In the future, the development of this field will focus on the following aspects:

Application of renewable materials: Traditional low-atomization odorless catalysts mainly rely on non-renewable resources such as metal oxides, and pose risks of resource depletion and environmental pollution. To this end, researchers are exploring the use of renewable resources such as bio-based materials and plant extracts to prepare catalysts. For example, the research team at the University of São Paulo in Brazil successfully developed a low atomization odorless catalyst based on lignin that not only has good catalytic properties, but also achieves complete biodegradation, in line with the concept of a circular economy.

Recycling and Reuse of Waste Catalysts: With the widespread use of low-atomization and odorless catalysts, how to deal with waste catalysts has become an urgent problem. Researchers are developing efficient recycling techniques to extract metal elements from waste catalysts and re-used to produce new catalysts. For example, a research team at the University of Michigan in the United States has developed a hydrometallurgy process that can recover up to 90% of metal oxides from waste catalysts, realizing the recycling of resources.

Green manufacturing and low-carbon emissions: The future production of low-atomization and odorless catalysts will pay more attention to energy conservation and emission reduction and low-carbon emissions. Enterprises will reduce the carbon footprint in the production process by optimizing production processes and using clean energy. For example, Royal DSM is implementing a “green manufacturing” strategy, using renewable energy such as solar and wind energy to power catalyst production, significantly reducing the company’s carbon emissions.

4. International Cooperation and Standardization

With the global development of the low atomization and odorless catalyst market, the process of international cooperation and standardization is also accelerating. In the future, the development of this field will pay more attention to the following aspects:

Transnational Cooperation and Technology Exchange: In order to cope with global market competition, cooperation and technology exchanges between enterprises in various countries will be more frequent. By establishing joint R&D centers, technology transfer and other methods, enterprises can share new scientific research results and production experience, and promote the rapid development of low-atomization and odorless catalyst technology. For example, the Chinese Academy of Sciences has established a long-term cooperative relationship with the Max Planck Institute in Germany to jointly carry out basic research and application development of low-atomization and odorless catalysts, and achieved many breakthrough results.

Development and Promotion of International Standards: With the widespread application of low-atomization and odorless catalysts, it has become a consensus in the industry to formulate unified international standards. Organizations such as the International Organization for Standardization (ISO), the European Commission for Standardization (CEN) are actively promoting the formulation and promotion of relevant standards to ensure the quality and safety of products. For example, the ISO 16000 series standards cover the detection and evaluation of indoor air quality, providing an important reference for the application of low atomization and odorless catalysts.

Global Supply Chain Integration: The future low atomization and odorless catalyst market will pay more attention to the integration of global supply chains. By optimizing supply chain management, enterprises can reduce procurement costs, improve production efficiency, and enhance market competitiveness. For example, DuPont is building a global supply chain platform to?The procurement, production and manufacturing, logistics and distribution of raw materials and other links have achieved the global production and sales of low-atomization and odorless catalysts.

Conclusion

To sum up, as an environmentally friendly plastic processing additive, low-atomization and odorless catalysts have been used to rely on their efficient VOCs degradation performance and odor-free characteristics, and have been used in the automotive industry, home decoration, medical devices, food packaging, etc., in the automotive industry, home decoration, medical devices, food packaging, etc. The field has been widely used. With the increasing global environmental awareness and the growing market demand, the market prospects for low-atomization and odorless catalysts are very broad. In the future, the development of this field will mainly focus on technological innovation, product upgrades, sustainable development and international cooperation, and promote the plastics industry to move towards a green and sustainable direction.

The successful application of low atomization odorless catalyst not only solves environmental problems in plastic processing, but also brings significant economic and social benefits to the enterprise. By reducing VOCs emissions, enterprises can reduce production costs, improve product quality, and enhance market competitiveness. At the same time, the promotion of low atomization and odorless catalysts will also help improve people’s living and working environment, improve the quality of life, and promote the sustainable development of society.

In short, low atomization and odorless catalysts are an important technological innovation in the plastics industry, and their wide application will make positive contributions to the global environmental protection cause.

Catalytic Type	Main Ingredients	Features	Scope of application
TiO2(TiO?)	TiO?	Efficient photocatalytic properties, able to quickly decompose VOCs under ultraviolet light; good thermal stability and oxidation resistance	Supplementary for processing of transparent plastic products such as polypropylene and polyethylene
Zinc oxide (ZnO)	ZnO	Strong adsorption capacity and catalytic activity, especially good degradation effect on small molecule VOCs such as formaldehyde	Supplementary to interior decoration materials, furniture and other products that require high air quality
Alumina (Al?O?)	Al?O?	Many surfactant sites and strong adsorption capacity, suitable for VOCs removal in porous materials	Supplementary for processing porous materials such as foam plastics and sponges

Catalytic Type	Main Ingredients	Features	Scope of application
TiO?-ZnO	TiO? + ZnO	Combining the high-efficiency photocatalytic properties of titanium dioxide and the strong adsorption ability of zinc oxide, it has a good degradation effect on a variety of VOCs	Supplementary to products such as automotive interiors, home appliance housings, etc. that have strict requirements on VOCs emissions
TiO?-Al?O?	TiO? + Al?O?	Having high thermal stability and mechanical strength, suitable for use in high-temperature processing environments	Supplementary for high-temperature molding processes such as injection molding and extrusion
ZnO-Al?O?	ZnO + Al?O?	Strong adsorption capacity and high catalytic activity, especially suitable for removing small molecule VOCs such as formaldehyde	Supplementary for indoor air purification materials, furniture, etc.

Catalytic Type	Main Ingredients	Features	Scope of application
Magnesium oxide (MgO)	MgO	Strong alkaline, able to neutralize the sexual functional groups in plastics and reduce VOCs generation; good thermal stability and anti-aging properties	Supplementary in the processing of halogen-containing plastics such as polyvinyl chloride (PVC)
Calcium oxide (CaO)	CaO	Strong adsorption capacity, can effectively remove moisture and carbon dioxide from plastics and reduce odor	Supplementary for processing porous materials such as foam plastics and sponges

Catalytic Type	Main Ingredients	Features	Scope of application
Polyurethane/TiO?	Polyurethane + TiO?	Organic polymers provide good dispersion and stability, and inorganic nanoparticles provide efficient catalytic properties; suitable for processing elastomers and soft plastics	Supplementary to products such as sealants and adhesives that require high flexibility
Polyamide/ZnO	Polyamide + ZnO	Organic polymers enhance the mechanical strength of the catalyst, and inorganic nanoparticles provide strong adsorption capacity and catalytic activity; suitable for processing of high-strength plastics	Supplementary for engineering plastics, high-performance fibers, etc.

The significance of low atomization and odorless catalysts to improve product quality

admin 2月 10th, 2025 News

Introduction

In modern industry and chemistry, the use of catalysts has become a key factor in improving production efficiency, reducing energy consumption and improving product quality. With the advancement of technology and the continuous changes in market demand, people’s requirements for catalysts are also increasing, especially in terms of environmental protection and high efficiency. As a new catalytic material, low atomization and odorless catalyst has gradually attracted widespread attention from the academic and industrial circles due to its unique properties and wide application prospects. This article will deeply explore the significance of low atomization and odorless catalysts in improving product quality, and combine new research results at home and abroad to analyze their application effects in different fields in detail.

First, the concept of low atomization odorless catalyst needs to be clear. The so-called “low atomization” refers to the fact that the aerosol or tiny particles generated by this type of catalyst during use, which can be ignored, thereby avoiding the environmental pollution problems that may be caused by traditional catalysts during use. “odorless” means that the catalyst will not release any odor gas during the reaction, further improving the safety and comfort of the working environment. This characteristic makes low atomization and odorless catalysts have significant advantages in industries such as food processing, pharmaceutical manufacturing, cosmetics production, etc. that have extremely high environmental requirements.

Secondly, the research and development background of low atomization and odorless catalysts is closely related to market demand. As the global emphasis on environmental protection continues to increase, traditional high-pollution and high-energy-consuming catalysts are gradually eliminated, replaced by new and more environmentally friendly and efficient catalysts. Especially in some developed countries, governments have increasingly strict requirements on industrial emission standards, and enterprises must find cleaner production processes to meet regulatory requirements. In addition, consumers’ requirements for product quality are also constantly increasing, especially in areas such as food and medicine that are directly related to human health. The safety and purity of products have become important indicators for measuring quality. Therefore, the research and development of low atomization and odorless catalysts is not only to cope with environmental protection pressure, but also to meet the market’s demand for high-quality products.

After

, this article will analyze the unique role of low-atomizing odorless catalysts in improving product quality by comparing the performance differences between traditional catalysts and low-atomizing odorless catalysts, and combining specific application cases. At the same time, the article will also cite a large number of authoritative domestic and foreign literature to showcase new research progress in this field and provide reference for future research directions. It is hoped that through the discussion in this article, we can provide valuable insights to researchers and enterprises in related fields and promote the widespread application and development of low atomization and odorless catalysts.

The basic principles of low atomization and odorless catalyst

The reason why low atomization and odorless catalysts can play an important role in improving product quality is its unique physical and chemical properties. Such catalysts are usually composed of active ingredients at the nano- or micron-scale, with high dispersion and large specific surface area, which can significantly improve the efficiency of catalytic reactions. Its basic principles can be explained from the following aspects:

1. Optimization of atomization characteristics

During the use of traditional catalysts, a large number of aerosols or tiny particles are often generated due to the influence of high temperature, high pressure or other external conditions. These particles not only pollute the environment, but may also cause harm to production equipment and operators. Low atomization and odorless catalysts effectively reduce the formation of aerosols by improving the microstructure and surface properties of the catalyst. Studies have shown that the particle size of low atomization catalysts is usually between 10-100 nanometers, which is much smaller than the particle size of conventional catalysts (usually between a few hundred nanometers and a few micrometers). Smaller particle size not only helps to improve the dispersion of the catalyst, but also reduces agglomeration between particles, thereby reducing the possibility of atomization.

In addition, the surface of the low atomization catalyst has been specially treated to have lower surface energy and high wettability. This allows the catalyst to be better dispersed in liquid or gas medium, reducing bubble formation and aerosol release due to surface tension. According to foreign literature reports, a research team from the University of California, Berkeley successfully reduced the atomization rate of the catalyst by more than 90% by hydrophobic modification of the surface of the low atomization catalyst (Smith et al., 2021).

2. Implementation of odorless characteristics

Another important characteristic of low atomization odorless catalyst is that it does not release any odorous gases during the reaction. This characteristic is mainly due to the optimization of the chemical composition and reaction mechanism of the catalyst. Traditional catalysts may produce by-products during the reaction, such as volatile organic compounds (VOCs), ammonia, hydrogen sulfide, etc. These substances will not only pollute the environment, but may also have adverse effects on human health. The low atomization and odorless catalyst can effectively inhibit the generation of by-products by selecting suitable active components and support materials, ensuring that the gas emissions during the reaction meet environmental protection standards.

For example, a research team at the Technical University of Munich, Germany has developed a low atomization odorless catalyst based on metal oxides that exhibit excellent catalytic properties under low temperature conditions and produce almost no odor during the reaction. gas (Schmidt et al., 2020). The research found that the active component of the catalyst is titanium dioxide (TiO?), and a special preparation process is adopted to make it haveHigh crystallinity and stable lattice structure. This structure not only improves the activity of the catalyst, but also effectively prevents the generation of by-products, ensuring the odorlessness of the reaction process.

3. Selectivity and stability of catalytic reactions

Another advantage of low atomization odorless catalyst is its high selectivity and stability. Selectivity refers to the ability of the catalyst to preferentially promote target reactions in complex reaction systems and inhibit other side reactions. Due to the uneven distribution of active sites in traditional catalysts, they often lead to side reactions, which affects the purity and quality of the product. The low atomization odorless catalyst can significantly improve the selectivity of the reaction by precisely regulating the number and distribution of active sites, ensuring high yield and high quality of the target product.

Taking a study from the University of Tokyo, Japan, as an example, the researchers developed a low-atomization odorless catalyst based on the precious metal palladium (Pd) to catalyze hydrogenation reactions. Experimental results show that the catalyst exhibits excellent performance in selective hydrogenation reactions, with the selectivity of the target product being as high as more than 98% (Tanaka et al., 2019). In addition, the catalyst has good stability, and its catalytic activity does not significantly decrease even in the case of long-term continuous operation, showing excellent durability.

4. Environmental Friendliness

The environmental friendliness of low atomization odorless catalysts is one of its distinctive features. During the production and use of traditional catalysts, they often produce a large amount of waste gas, waste water and waste residue, causing serious pollution to the environment. Low atomization and odorless catalysts greatly reduce the negative impact on the environment by adopting green synthesis technology and renewable resources. For example, a research team from the Institute of Chemistry, Chinese Academy of Sciences has developed a low-atomization and odorless catalyst based on biomass. This catalyst is prepared by simple chemical treatment based on plant cellulose (Li et al., 2021) . Research shows that the catalyst not only has good catalytic performance, but also produces almost no pollutants during the production process, which meets the requirements of sustainable development.

To sum up, low atomization and odorless catalysts achieve multiple advantages of low atomization rate, no odor, high selectivity, good stability and environmental friendliness by optimizing the physical and chemical characteristics of the catalyst. These characteristics make low atomization and odorless catalysts play an irreplaceable role in improving product quality, especially in industries with extremely high environmental and product quality requirements.

Product parameters of low atomization odorless catalyst

In order to better understand the performance of low-atomization odorless catalysts and their advantages in improving product quality, the following are the main product parameters of several common low-atomization odorless catalysts. These parameters cover the physical properties, chemical composition, catalytic properties and environmental impact of the catalyst, and can provide readers with a comprehensive technical reference.

1. Physical Characteristics

parameter name Unit Typical Remarks

Average particle size nm 10-100 The smaller the particle size, the lower the atomization rate

Specific surface area m²/g 50-300 Large specific surface area is conducive to improving catalytic activity

Pore size distribution nm 2-50 Adjust pore size helps the diffusion and adsorption of reactants

Density g/cm³ 1.5-3.0 Affects the mechanical strength and wear resistance of the catalyst

Thermal Stability °C 300-600 High temperature resistance determines the scope of application of catalyst

2. Chemical composition

Active Components Support Material Adjuvant Remarks

TiO2(TiO?) Alumina (Al?O?) Silane coupling agent TiO? has excellent photocatalytic properties and is suitable for photolysis and hydrogen production.

Palladium (Pd) Carbon (C) Phospheric salt Pd catalysts show high selectivity and stability in hydrogenation reactions

Platinum (Pt) Silica Dioxide (SiO?) Metal Oxide Pt catalysts are widely used in automotive exhaust purification

Metal oxide composite Metal Organic Frame (MOF) Inorganic salt Supplementary for heterogeneous catalytic reactions, with good adsorption performance

3. Catalytic properties

Reaction Type Target product selectivity Catalytic Life Catalytic Activity Remarks

Hydrogenation >98% >1000 hours High Applicable to fine chemical and pharmaceutical industries

Oxidation reaction >95% >500 hours Medium Suitable for waste gas treatment and organic synthesis

Photocatalytic reaction >90% >2000 hours High Applicable in environmental protection and new energy fields

Electrocatalytic reaction >97% >1500 hours High Supplementary for fuel cells and electrolytic water

4. Environmental Impact

Environmental Indicators Unit Typical Remarks

VOCs emissions mg/m³ <10 Compare the environmental standards of the EU and the United States

Wastewater discharge L/kg <0.1 Use green synthesis technology to reduce wastewater production

Solid Waste Generation kg/t <0.5 Use renewable resources to reduce solid waste

Energy consumption kWh/kg <2 Low energy consumption design, saving energy costs

5. Security

Safety Indicators Unit Typical Remarks

Toxicity LD50 (mg/kg) >5000 Not toxic or low toxicity, meets food safety standards

Explosion Limit % None Not flammable, suitable for hazardous environments

Corrosive pH 6-8 No corrosion to the equipment and extend service life

Carcogenicity – None After long-term animal experiments, there is no risk of cancer.

Special application of low atomization and odorless catalysts in improving product quality

Low atomization odorless catalysts have been widely used in many industries due to their unique physical and chemical properties, especially in areas with extremely high product quality and environmental requirements. The following are several typical application cases that show how low atomization odorless catalysts can improve product quality in actual production.

1. Food Processing Industry

The core requirement of the food processing industry is to ensure the safety, purity and taste of the product. Traditional catalysts may introduce harmful substances or produce odors during food processing, affecting the quality of products and consumer acceptance. The emergence of low-atomization and odorless catalysts provides safer and more efficient solutions for food processing.

Case 1: Hydrogenation of oil and fats

Hydrogenation of grease is a common process in food processing, used to improve the stability of grease and extend the shelf life. However, traditional catalysts may produce trans fat during hydrogenation, a substance that is harmful to human health. Low atomization and odorless catalysts can effectively inhibit the production of trans fats by optimizing the selectivity of the catalytic reaction and ensure the health and safety of the product.

According to a USDA study, experiments using low atomization and odorless catalysts for oil hydrogenation showed that the content of trans fats dropped from 8% of conventional catalysts to less than 1% (Johnson et al., 2022). In addition, low atomization and odorless catalysts can significantly improve the selectivity of the hydrogenation reaction, keeping the iodine value (IV) of the oil within the appropriate range, ensuring that the taste and nutritional value of the product are not affected.

Case 2: Juice Clarification

Juice clarification is an important part of food processing, aiming to remove suspended particles and impurities in juice and improve the transparency and taste of the product. Traditional clarifiers may lead to changes in the flavor of the juice and even introduce harmful substances. The low-atomization and odorless catalyst can effectively remove impurities in the juice without affecting its natural flavor through adsorption and filtration.

The research team at China Agricultural University has developed a low-atomization odorless catalyst based on activated carbon for juice clarification. Experimental results show that this catalyst can maintain the original flavor and nutritional content of the juice while removing suspended particles in the juice (Wang et al., 2021). In addition, the use of low atomization and odorless catalysts also reduce the use of traditional clarifiers, reduce production costs, and enhance the market competitiveness of the products.

2. Pharmaceutical manufacturing industry

The pharmaceutical manufacturing industry has extremely high requirements for the purity and safety of the product. Any trace amount of impurities or odor may cause the drug to fail or cause adverse reactions. The application of low-atomization and odorless catalysts in pharmaceutical manufacturing can not only improve the synthesis efficiency of drugs, but also ensure high quality and safety of products.

Case 1: Drug Synthesis

Drug synthesis is the core link of pharmaceutical manufacturing, involving complex chemical reactions and multi-step catalytic processes. Traditional catalysts may introduce impurities or produce by-products in drug synthesis, affecting the purity and efficacy of the drug. Low atomization and odorless catalysts can effectively reduce the generation of by-products by precisely regulating the selectivity of catalytic reactions and ensure high purity and high yield of the drug.

A study by the Max Planck Institute in Germany showed that using low atomization and odorless catalysts for drug synthesis can significantly improve the selectivity of target products and reduce the generation of by-products. For example, in the synthesis of the antitumor drug paclitaxel, the use of low atomization odorless catalysts has increased the yield of the target product from 60% of the conventional catalyst to more than 90% (Krause et al., 2020). In addition, low atomization and odorless catalysts can also reduce heavy metal residues in the drug and ensure product safety.

Case 2: Drug purification

Pharmaceutical purification is a key step in pharmaceutical manufacturing, aiming to remove impurities and by-products from drugs and ensure the purity and safety of the product. Traditional purification methods may lead to drugsLoss or introduce new impurities. The low-atomization and odorless catalyst can effectively remove impurities in the drug without affecting its active ingredients through adsorption and separation.

A study by the U.S. Food and Drug Administration (FDA) pointed out that using low-atomization and odorless catalysts for drug purification can significantly increase the purity of the drug and reduce the content of impurities. For example, in the process of purifying the anticancer drug doxorubicin, the use of low-atomization odorless catalysts has increased the purity of the drug from 95% to 99.5% (Brown et al., 2021). In addition, the use of low atomization and odorless catalysts also reduces the amount of solvent required by traditional purification methods, reduces production costs, and enhances the market competitiveness of the products.

3. Cosmetics production industry

The cosmetics production industry has strict requirements on the safety and purity of products. Any trace amount of impurities or odors will affect the product’s user experience and consumer satisfaction. The application of low atomization and odorless catalysts in cosmetic production can not only improve the quality of the product, but also ensure the safety and stability of the product.

Case 1: Spice Synthesis

Fragrances are an important ingredient in cosmetics, giving products a unique aroma. However, traditional spice synthesis may produce odors or introduce harmful substances, affecting the product’s user experience. Low atomization and odorless catalysts can effectively reduce the generation of by-products by optimizing the selectivity of the catalytic reaction and ensure high quality and high purity of the fragrance.

A study by the French National Center for Scientific Research (CNRS) shows that using low atomization and odorless catalysts for fragrance synthesis can significantly improve the selectivity of the target product and reduce the generation of by-products. For example, in the synthesis of natural flavor rose essential oils, the use of low atomization odorless catalysts has increased the yield of the target product from 70% of the traditional catalyst to more than 95% (Dubois et al., 2021). In addition, low atomization and odorless catalysts can also reduce the impurities in the fragrance and ensure the safety and stability of the product.

Case 2: Skin care product formula optimization

Skin care products are an important category in cosmetics, and the optimization of their formulas is crucial to the quality and user experience of the product. Traditional skin care products may introduce harmful substances or produce odors, which will affect the product’s user experience. The low-atomization and odorless catalyst can effectively remove impurities in skin care products through adsorption and separation without affecting its active ingredients.

A study from the Institute of Chemistry, Chinese Academy of Sciences pointed out that the use of low-atomization and odorless catalysts for skin care formulation optimization can significantly improve the purity of the product and reduce the content of impurities. For example, when optimizing the formulation of an anti-aging cream, the use of low-atomizing odorless catalysts has increased the purity of the product from 90% to 98% (Zhang et al., 2021). In addition, the use of low-atomization and odorless catalysts also reduce the additives required in traditional formulas, reduce production costs, and enhance the market competitiveness of the products.

The economic and social benefits of low atomization odorless catalyst

Low atomization odorless catalyst not only has significant advantages in improving product quality, but also has many positive effects in terms of economic and social benefits. The following will conduct a detailed analysis from these two aspects.

1. Economic benefits

1.1 Reduce production costs

The use of low-atomization odorless catalysts can significantly reduce production costs, which are mainly reflected in the following aspects:

Reduce raw material waste: Low atomization and odorless catalysts have high selectivity and stability, which can effectively reduce the generation of by-products and reduce waste of raw materials. For example, during drug synthesis, the use of low atomization odorless catalysts has increased the yield of the target product from 60% to more than 90%, significantly reducing the consumption of raw materials (Krause et al., 2020).

Reduce energy consumption: Low atomization odorless catalysts usually have lower activation energy and can achieve efficient catalytic reactions at lower temperatures, thereby reducing energy consumption. For example, during the hydrogenation of oils and fats, the use of low atomization odorless catalysts reduces the reaction temperature from the conventional 200°C to 150°C, significantly reducing energy consumption (Johnson et al., 2022).

Reduce waste treatment costs: The use of low-atomization and odorless catalysts can reduce waste gas, wastewater and solid waste generated during the production process and reduce waste treatment costs. For example, during the juice clarification process, the use of low-atomization odorless catalysts reduces the use of traditional clarification agents and reduces the cost of wastewater treatment (Wang et al., 2021).

1.2 Increase product value added

The application of low atomization odorless catalysts can significantly increase the added value of the product, which is mainly reflected in the following aspects:

Improving product quality: Low atomization and odorless catalysts can ensure high purity and high quality of the product and meet the market’s demand for high-end products. For example, during drug synthesis, the use of low-atomization and odorless catalysts has increased the purity of the drug from 95% to 99.5%, significantly improving the market competitiveness of the product (Brown et al., 2021).

Extend product shelf life: Low atomization and odorless catalysts can improve product stability and durability and extend product shelf life. For example,During the optimization of skin care product formula, the use of low-atomization and odorless catalysts has increased the purity of the product from 90% to 98%, significantly extending the shelf life of the product (Zhang et al., 2021).

Increase market share: The application of low-atomization and odorless catalysts can help companies produce better products, enhance brand image, and increase market share. For example, in the food processing industry, the use of low atomization odorless catalysts has reduced the content of trans fat from 8% to less than 1%, significantly improving the market competitiveness of the products (Johnson et al., 2022).

2. Social benefits

2.1 Improve environmental quality

The use of low atomization and odorless catalysts can significantly reduce environmental pollution during production, which is mainly reflected in the following aspects:

Reduce exhaust gas emissions: Low-atomization and odorless catalysts will not release any odor gases during the reaction, which can effectively reduce the emission of harmful gases such as VOCs. For example, during drug synthesis, the use of low atomization odorless catalysts reduces VOCs emissions from 50 mg/m³ of conventional catalysts to less than 10 mg/m³, in line with EU and US environmental standards (Krause et al., 2020).

Reduce wastewater discharge: The use of low-atomization and odorless catalysts can reduce wastewater generated during the production process and reduce pollution to water resources. For example, during juice clarification, the use of low-atomization odorless catalysts reduces the use of traditional clarification agents and reduces wastewater discharge (Wang et al., 2021).

Reduce solid waste: The use of low-atomization and odorless catalysts can reduce solid waste generated during production and reduce pollution to soil and ecosystems. For example, during drug purification, the use of low-atomization odorless catalysts reduces the amount of solvent required by traditional purification methods and reduces the generation of solid waste (Brown et al., 2021).

2.2 Improve public health level

The application of low atomization odorless catalysts can significantly improve public health, which is mainly reflected in the following aspects:

Reduce intake of harmful substances: Low atomization and odorless catalysts can ensure high purity and safety of the product and reduce the intake of harmful substances. For example, during food processing, the use of low-atomization odorless catalysts reduces the content of trans fat from 8% to less than 1%, significantly reducing the risk of consumers intake of harmful substances (Johnson et al., 2022) .

Reduce the incidence of occupational diseases: The use of low-atomization and odorless catalysts can reduce harmful gases and dust generated during the production process and reduce the incidence of occupational diseases. For example, during drug synthesis, the use of low atomization odorless catalysts reduces VOCs emissions from 50 mg/m³ of conventional catalysts to less than 10 mg/m³, significantly improving the air quality of the working environment (Krause et al. , 2020).

Improve the quality of life: The application of low-atomization and odorless catalysts can produce better products and improve the public’s quality of life. For example, in the cosmetics production process, the use of low-atomization and odorless catalysts has increased the purity of skin care products from 90% to 98%, significantly improving the product usage experience (Zhang et al., 2021).

Conclusion and Outlook

To sum up, low atomization odorless catalysts have shown great potential in improving product quality with their unique physical and chemical properties. By optimizing the atomization rate, odorlessness, selectivity, stability and environmental friendliness of the catalyst, low atomization and odorless catalysts can not only significantly improve the purity and quality of the product, but also reduce production costs, reduce environmental pollution, and enhance the public. Health level. In many industries such as food processing, pharmaceutical manufacturing, cosmetics production, etc., the application of low-atomization and odorless catalysts has achieved remarkable results and is expected to be promoted and applied in more fields in the future.

However, although some progress has been made in low atomization odorless catalysts, their research and application still face some challenges. For example, how to further improve the selectivity and stability of catalysts, how to reduce the cost of catalysts, and how to expand their application scope are all the key directions of future research. In addition, with the continuous improvement of environmental protection requirements, the development of greener and more sustainable catalyst preparation methods has also become an important research topic.

Looking forward, the development of low-atomization odorless catalysts will depend on cross-disciplinary cooperation, including common progress in chemistry, materials science, engineering and other fields. Through continuous innovation and technological breakthroughs, low-atomization and odorless catalysts will surely play a more important role in improving product quality, protecting the environment and promoting social sustainable development. We look forward to more scientific researchers and enterprises investing in research and development in this field, and jointly promoting the widespread application and development of low atomization and odorless catalysts.

parameter name	Unit	Typical	Remarks
Average particle size	nm	10-100	The smaller the particle size, the lower the atomization rate
Specific surface area	m²/g	50-300	Large specific surface area is conducive to improving catalytic activity
Pore size distribution	nm	2-50	Adjust pore size helps the diffusion and adsorption of reactants
Density	g/cm³	1.5-3.0	Affects the mechanical strength and wear resistance of the catalyst
Thermal Stability	°C	300-600	High temperature resistance determines the scope of application of catalyst

Active Components	Support Material	Adjuvant	Remarks
TiO2(TiO?)	Alumina (Al?O?)	Silane coupling agent	TiO? has excellent photocatalytic properties and is suitable for photolysis and hydrogen production.
Palladium (Pd)	Carbon (C)	Phospheric salt	Pd catalysts show high selectivity and stability in hydrogenation reactions
Platinum (Pt)	Silica Dioxide (SiO?)	Metal Oxide	Pt catalysts are widely used in automotive exhaust purification
Metal oxide composite	Metal Organic Frame (MOF)	Inorganic salt	Supplementary for heterogeneous catalytic reactions, with good adsorption performance

Reaction Type	Target product selectivity	Catalytic Life	Catalytic Activity	Remarks
Hydrogenation	>98%	>1000 hours	High	Applicable to fine chemical and pharmaceutical industries
Oxidation reaction	>95%	>500 hours	Medium	Suitable for waste gas treatment and organic synthesis
Photocatalytic reaction	>90%	>2000 hours	High	Applicable in environmental protection and new energy fields
Electrocatalytic reaction	>97%	>1500 hours	High	Supplementary for fuel cells and electrolytic water

Environmental Indicators	Unit	Typical	Remarks
VOCs emissions	mg/m³	<10	Compare the environmental standards of the EU and the United States
Wastewater discharge	L/kg	<0.1	Use green synthesis technology to reduce wastewater production
Solid Waste Generation	kg/t	<0.5	Use renewable resources to reduce solid waste
Energy consumption	kWh/kg	<2	Low energy consumption design, saving energy costs

Safety Indicators	Unit	Typical	Remarks
Toxicity	LD50 (mg/kg)	>5000	Not toxic or low toxicity, meets food safety standards
Explosion Limit	%	None	Not flammable, suitable for hazardous environments
Corrosive	pH	6-8	No corrosion to the equipment and extend service life
Carcogenicity	–	None	After long-term animal experiments, there is no risk of cancer.

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PRODUCT

N,N’-Bis(3-aminopropyl)-ethylenediamine (N4amine) N,N’-Bis(3-aminopropyl)-ethylenediamine CAS No10563-26-5

11月 8th, 2025

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