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Choices to meet the needs of high standards in the future: Compound antioxidants

admin 3月 15th, 2025 News

Compound antioxidants: the best choice to meet the future high-standard market demand

In today’s era of “speed is king”, whether it is automotive engines, electronic equipment or food packaging, every product is pursuing higher performance and longer service life. However, oxidation, a phenomenon that is ubiquitous in nature, has become the “invisible killer” of many materials and products. From the aging of plastic products to the deterioration of lubricating oils to the loss of food flavor, oxidation problems affect our lives and industrial production all the time. Compound antioxidants, as a “guardian” that can effectively delay or prevent the occurrence of oxidation reactions, are becoming the focus of the global market.

So, what exactly is a composite antioxidant? Why can it stand out among a wide range of antioxidant solutions? More importantly, how will compound antioxidants play a key role under the future high standards of market demand? This article will take you to understand the mysteries of this field in depth, explore its technical principles, application prospects and development trends, and uncover the wonderful world behind compound antioxidants through detailed data and vivid metaphors.

1. Basic concepts and mechanism of action of composite antioxidants

(I) Definition and Classification

Composite antioxidant is a functional additive composed of a variety of single antioxidants in a specific proportion. It is mainly used to delay or inhibit the performance degradation caused by oxidation of materials during processing, storage and use. According to its functional characteristics, composite antioxidants can be divided into the following categories:

Free radical capture antioxidants: By capturing free radicals (such as·OH, ROO·, etc.), the chain oxidation reaction is interrupted to protect the material from damage.
peroxide decomposition antioxidants: By decomposing peroxide intermediates, it reduces its destructive effect on the material structure.
Metal ion passivation antioxidants: By chelating metal ions (such as Fe³?, Cu²?, etc.), they reduce their catalytic effects on oxidation reactions.
Auxiliary antioxidant: Works in concert with other types of antioxidants to further enhance the overall antioxidant effect.

It is worth noting that composite antioxidants do not simply mix different types of monomeric antioxidants together, but are carefully designed and optimized to ensure a good synergistic effect between the components, thereby achieving the effect of “1+1>2”.

(Bi) Analysis of the mechanism of action

The mechanism of action of composite antioxidants can be described in a figurative metaphor: if the oxidation reaction is a raging forest fire, then composite antioxidants are a well-trained fire brigade. The following is its specific “fire extinguishing” process:

Initial Prevention: Through metal ion passivation antioxidants, the “fire” that may cause fires – metal catalysts.
Medium-term control: Use free radical capture antioxidants to quickly extinguish the formed flame – free radicals.
Later-stage consolidation: Use peroxide decomposition antioxidants to prevent the residual smoke – peroxide from continuing to spread.
Full-process guarantee: Rely on auxiliary antioxidants to provide logistical support to the entire team to ensure efficient completion of fire extinguishing operations.

This multi-layer and multi-dimensional protection strategy allows composite antioxidants to show excellent antioxidant properties in complex environments.

(III) Advantage Analysis

Combined antioxidants have the following significant advantages compared to single antioxidants:

Project	Single Antioxidant	Compound antioxidants
Antioxidation efficiency	Lower	Sharp improvement
Scope of use	Limited	Widely applicable
Cost-effective	Higher	More economical
Environmental Performance	Possible limitations	More environmentally friendly

By reasonably matching different types of antioxidants, composite antioxidants can not only cover a wider range of oxidation scenarios, but also effectively reduce costs while reducing the impact on the environment, truly achieving a perfect balance between performance and sustainability.

2. Detailed explanation of the technical parameters of composite antioxidants

The successful application of composite antioxidants is inseparable from an in-depth understanding of their technical parameters. These parameters not only determine the performance of the product, but also directly affect the convenience and economy in actual operation. Here are a detailed description of several key indicators:

(I) Content of active ingredient

The active ingredient content refers to the proportion of effective antioxidant substances in the composite antioxidant, usually expressed as mass percentage. Higher active ingredient content means stronger antioxidant capacity, but it can also lead to higher costs. Therefore, when choosing a compound antioxidant, it is necessary to weigh the relationship between the two according to the specific application scenario.Tie.

Category	Active ingredient content range (%)
High-end products	85-95
Mid-range products	70-85
Economic Products	50-70

(Bi) Thermal Stability

Thermal stability is an important indicator for measuring the effectiveness of composite antioxidants under high temperature conditions. Composite antioxidants with good thermal stability are particularly important for materials that require working at extreme temperatures (such as automotive engine components or high-performance polymers used in the aerospace industry).

Temperature interval (?)	Thermal Stability Level
?150	Good
150-250	Excellent
>250	Excellent

(Three) Compatibility

Compatibility reflects the degree of matching between the composite antioxidant and its target material. If the two are poorly compatible, it may lead to uneven dispersion or precipitation, which will affect the performance of the final product. Therefore, in the formulation design stage, the chemical structural similarity between the composite antioxidant and the substrate must be fully considered.

Material Type	Recommended types of compound antioxidants
Polyolefin	Mainly contain phenolic antioxidants
Engineering Plastics	Binding phosphorus-based antioxidants
Lutrient	Emphasize amine antioxidants

(IV) Volatility

Volatility refers to the degree to which the composite antioxidant evaporates from the surface of the material at a certain temperature. Excessive volatile will lead to loss of active ingredients and weaken the antioxidant effect. Therefore, in practical applications, products with low volatile properties should be selected as much as possible.

Volatility Level	Features
Extremely low	Applicable to harsh environments
Low	Ideal for general industrial use
Medium	Preferred for cost-sensitive applications

(V) Toxicity and safety

As people’s awareness of health and environmental protection increases, the toxicity and safety of composite antioxidants have become considerations that cannot be ignored. The research and development direction of modern composite antioxidants is gradually moving towards a non-toxic and degradable direction.

Safety Level	Description
Class A	Full be non-toxic and meets international food safety standards
Class B	Low toxicity, suitable for general industrial use
Class C	Medium toxicity, use with caution

3. Application areas and their value reflections of composite antioxidants

Composite antioxidants have been widely used in many industry fields due to their unique performance advantages. Below we will discuss its specific application in different scenarios and its value brought by them one by one.

(I) Plastics and Rubber Industry

1. Application background

Plastic and rubber products are widely used in daily life and industrial production, but because their molecular structure contains a large number of unsaturated bonds that are easily oxidized, they are prone to aging under light, heat treatment or mechanical stress, which is manifested as color changes, decrease in intensity and even rupture. These problems not only affect the appearance and functionality of the product, but also shorten its service life.

2. Solution

The occurrence of the aging process can be significantly delayed by adding a composite antioxidant. For example, in the manufacturing process of polypropylene (PP) films, using a composite formula containing phenols and phosphite-based antioxidants can increase the weather resistance of the product by more than 3 times while maintaining good transparency and flexibility.

Parameter comparison	No compound antioxidant added	After adding compound antioxidants
Service life	6 months	?2 years
Mechanical Properties	Remarkable decline	Basic Stability

3. Economic benefits

From an economic perspective, the use of composite antioxidants can not only extend the product life and reduce the frequency of replacement, but also reduce maintenance costs and bring considerable economic benefits to the enterprise. According to statistics, a well-known home appliance manufacturer saves more than 5 million yuan in raw material losses every year by introducing composite antioxidant technology into its product shells.

(II) Lubricating oil and fuel industry

1. Application background

Lumeric oil and fuel are the core guarantees for the operation of mechanical equipment, and their quality is directly related to the working efficiency and reliability of the equipment. However, due to long-term exposure to high temperature and high pressure environments, these liquids are extremely susceptible to oxidative corrosion, resulting in increased viscosity, increased sediment and reduced lubricating performance.

2. Solution

In response to this problem, researchers have developed a composite antioxidant formula specifically for lubricating oils and fuels. This type of product usually contains a variety of active ingredients such as amines, thioesters, and can continue to function under harsh working conditions to ensure that the liquid state is always at an excellent level.

Performance metrics	Improvement (%)
Oxidative stability	+40%
Abrasion resistance	+30%
Cleanness	+25%

3. Social benefits

In addition to economic benefits, the application of composite antioxidants in this field also brings significant social benefits. For example, by reducing harmful gas emissions generated during fuel combustion, it will help improve air quality and promote the transformation of green energy.

(III) Food and Pharmaceutical Industry

1. Application background

The safety of food and medicines has always been the focus of public attention. Especially in modern fast-paced life, more and more people tend to choose ready-to-eat foods or health products, which requires related products to have a long shelf life and stable nutritional value.

2. Solution

Naturally sourced complex antioxidants (such as vitamin E and tea polyphenol combination) have gradually become foodand the popular choices in the pharmaceutical industry. This type of product can not only effectively inhibit oil rancidity and vitamin loss, but also has certain antibacterial and antioxidant effects, providing consumers with a safer and more reliable choice.

Common Applications	Compound antioxidant ingredients
Nut Snacks	Vitamin E + Citric Acid
Health drinks	Tea polyphenols + grape seed extract

3. Health Meaning

Study shows that moderate intake of foods rich in complex antioxidants can help the body remove free radicals in the body, slow down the aging process, and reduce the risk of cardiovascular disease. Therefore, promoting the application of composite antioxidants in food and medicine is of great significance to improving the health level of the whole people.

4. Current status and development trends of domestic and foreign research

The research and development of composite antioxidants is a continuous progressive process, involving multiple levels such as basic theoretical exploration, new material development and practical application. The following will start from two perspectives at home and abroad to comprehensively analyze the current research status and possible future development trends.

(I) Foreign research trends

In recent years, developed countries in Europe and the United States have made many breakthroughs in research on compound antioxidants. For example, a US scientific research team successfully developed a new composite antioxidant based on nanotechnology, whose surface area has increased several times, greatly improving the contact efficiency with the target material. In addition, German scientists have also proposed an intelligent release mechanism that can automatically adjust the output of antioxidants according to environmental conditions, avoiding waste and enhancing the protective effect.

Country/Region	Main research results
USA	Development of nano-scale composite antioxidants
Germany	Intelligent release system design
Japan	Biodegradable antioxidant formula optimization

(II) Domestic research progress

my country’s research in the field of composite antioxidants started late, but it developed rapidly. At present, some universities and enterprises have mastered core technologies and launched products with independent intellectual property rights. For example, the “double-effect synergistic” composite antioxidant developed by the Department of Chemical Engineering of Tsinghua University and a well-known enterprise.With its unique molecular structural design, it surpasses imported similar products in multiple performance tests.

Institution Name	Core Technology Features
Beijing University of Chemical Technology	Molecular dynamics simulation guides formula optimization
Shanghai Jiaotong University	Green synthesis process innovation
A private enterprise	Breakthrough in industrial mass production technology

(III) Future development trends

Looking forward, the development of composite antioxidants will show the following main trends:

Multifunctional Integration: The future composite antioxidants will no longer be limited to simple antioxidant functions, but will develop in a comprehensive direction that integrates anti-corrosion, anti-mold, and plasticization.
Green and environmentally friendly: With the increasing emphasis on sustainable development around the world, the development of biodegradable and harmless complex antioxidants will become an important topic.
Customized Service: Provide customized composite antioxidant solutions according to the specific needs of different customers will become the winning weapon in market competition.
Intelligent upgrade: Combining IoT technology and big data analysis, real-time monitoring and dynamic adjustment of the use of composite antioxidants is achieved, providing users with a more accurate service experience.

Development direction	Key Technological Difficulties
Multifunctional	There may be mutual interference between different functions
Green and environmentally friendly	How to balance cost and performance
Customization	Insufficient ability to respond quickly to market demand
Intelligent	Challenges of data acquisition and algorithm optimization

5. Conclusion: Welcome to a new era of compound antioxidants

To sum up, composite antioxidants have become a satisfactory thanks to their excellent performance and wide application prospects.Ideal for high-standard market demand in the future. From plastic rubber to lubricant fuel to food and medicine, this magical “guardian” is profoundly changing our production and lifestyle. However, we should also be clear that the development of composite antioxidants still faces many challenges, including technical innovation, cost control and environmental protection requirements.

Standing at a new historical starting point, we look forward to more scientific researchers and entrepreneurs joining in this field and working together to overcome difficulties so that compound antioxidants can truly become a powerful driving force for social progress. As the ancient proverb says, “A journey of a thousand miles begins with a single step.” I believe that as long as you persist in exploring and practicing it, compound antioxidants will usher in their glorious era!

Choices to meet the needs of high standards in the future: Anti-thermal pressing agent

admin 3月 15th, 2025 News

Anti-thermal pressing agent: the “behind the scenes” that meets the needs of high-standard market in the future

In the field of industrial manufacturing, there is a material that is low-key but plays a crucial role in the production of high-performance products – anti-thermal pressing agents. It is like an unknown “behind the scenes hero”, providing powerful performance support for a variety of high-end products. With the continuous improvement of product quality and performance requirements in the global market, the demand for anti-thermal pressing agents has also shown a rapid growth trend. Especially in the fields of aerospace, automobile manufacturing, electronic equipment, etc., the application of anti-thermal pressing agents is indispensable.

This article will start from the basic concept of anti-thermal pressing agents, and deeply explore its classification, application scope, technical parameters, and current research status at home and abroad, and analyze its specific performance in different fields based on actual cases. At the same time, we will also look forward to future development trends to help readers understand comprehensively how this key material can help companies meet increasingly stringent market standards. Whether it is an industry practitioner or an ordinary reader who is interested in new materials, this article will provide you with rich knowledge and practical information.

Next, we will first analyze the definition of anti-thermal press and its importance in detail, unveiling the veil of this mysterious material.

What is anti-thermal pressing agent?

Definition and Basic Functions

Anti-thermal pressing agent is a specially designed additive or composite material, mainly used to improve the stability and durability of the material in high temperature and high pressure environments. It can effectively prevent material deformation, cracking or other performance degradation caused by increased temperature or increased pressure. Simply put, anti-thermal pressing agents are like putting a layer of “protective armor” on the material, allowing them to maintain their original shape and function even under extreme conditions.

Working Principle

The working mechanism of anti-thermal pressing agent is mainly based on the following aspects:

Molecular Structure Enhancement: By introducing specific functional molecular chains, the intermolecular forces inside the material are enhanced, thereby improving the overall mechanical strength.
Heat Conduction Optimization: By adjusting the thermal conductivity of the material, the heat can be distributed more evenly, avoiding the problems caused by local overheating.
Stress Dispersion: Use particulate fillers or fiber networks in the anti-heat pressing agent to disperse the pressure applied by the outside world to a larger area, reducing the concentrated stress point.
Enhanced Chemical Stability: By improving the oxidation resistance and corrosion resistance of the material, it will extend its service life.

This multi-dimensional mode of action makes heat-resistant pressing agents one of the indispensable key materials in modern industrial manufacturing.

Importance and application scenarios

In today’s high-tech driveIn the era, many industries are facing higher technical requirements and more complex usage environments. For example, in the aerospace field, aircraft need to withstand severe temperature changes and extremely high aerodynamic pressure; in automobile manufacturing, engine components must operate for a long time under high temperatures and high pressures; in the field of electronic equipment, the trend of miniaturization makes heat dissipation and structural stability more critical. All these scenarios require anti-thermal pressing agents to ensure product reliability and safety.

In short, anti-thermal pressing agents are not only a technological innovation, but also an important supporting force for promoting the development of many industries. Next, we will further explore the specific classification of anti-thermal pressing agents and their respective characteristics.

Classification and Characteristics of Anti-Heat Pressing Agent

Classification by chemical composition

Depending on the chemical composition, anti-thermal pressing agents can be divided into two categories: organic and inorganic. Each type has its own unique characteristics and applicable scenarios. The following will introduce the characteristics and advantages of these two types of anti-thermal pressing agents in detail.

Organic anti-thermal press

Organic anti-thermal pressing agents are mainly composed of hydrocarbons, which have good flexibility and processability. This type of material usually contains polymers such as polyamide (PA), polyester (PET), and is widely used in plastic products and composite materials.

Features	Description
Flexibility	The flexibility of polymer chains imparts excellent bending properties to the material and is suitable for processing in complex shapes.
Lightweight	Compared with metal materials, organic anti-thermal presses are lighter in weight, which helps reduce the overall product weight.
Easy to process	It can be quickly formed by injection molding, extrusion, etc., and is suitable for large-scale industrial production.
Limitations	It may decompose or age under extremely high temperature environments, limiting its application range at higher temperature conditions.

Inorganic anti-thermal press

Inorganic anti-thermal pressing agents are mainly composed of silicates, alumina, silicon carbide, etc., and have excellent high temperature resistance and chemical stability. This type of material is often used in ceramic-based composite materials, metal-based composite materials and refractory materials.

Features	Description
High temperature resistance	Can withstand high temperature environments over 1000°C, and is suitable for spacecraft heat shields, gas turbine blades and other scenarios.
High-intensity	has high mechanical strength and hardness, and can maintain a stable structural form under high pressure conditions.
Corrosion resistance	Express excellent resistance to acid and alkali solutions and oxidation environments, extending the service life of the material.
Limitations	The processing is difficult, costly, and relatively heavier, making it not suitable for certain lightweight needs.

Category by purpose

In addition to differences in chemical composition, anti-thermal presses can also be divided according to their specific use. Different application scenarios have different requirements for material performance, so a variety of highly targeted anti-thermal pressing agent products have been developed.

Structural reinforced thermal pressing agent

This type of anti-thermal pressing agent is mainly used to improve the mechanical properties of materials, such as tensile strength, flexural modulus and impact toughness. Typical representatives include glass fiber reinforced epoxy resins and carbon fiber composites.

parameter name	Unit	Reference value range
Tension Strength	MPa	70 – 500
Flexibility Modulus	GPa	2 – 15
Impact Toughness	kJ/m²	1 – 10

Thermal management anti-thermal press

Thermal-managed anti-thermal press agents focus on optimizing the thermal conductivity of materials to ensure efficient heat transfer or isolation. For example, graphene-based thermally conductive films and nanosilver particles filled plastic materials are popular choices in this field.

parameter name	Unit	Reference value range
Thermal conductivity	W/(m·K)	0.1 – 400
Coefficient of Thermal Expansion	ppm/°C	1 – 20
Temperature range	°C	-50 – 600

Chemical stability anti-thermal press

Chemical stability anti-thermal presses are particularly important for materials that require long-term exposure to harsh chemical environments. These products are usually made of fluoride coatings or ceramic-based composites, with excellent corrosion resistance and oxidation resistance.

parameter name	Unit	Reference value range
Antioxidation temperature	°C	500 – 1200
Acidal alkali resistance grade	pH	1 – 14
Service life	year	5 – 20

Summary

Different types of anti-thermal pressing agents have their own advantages. When choosing, enterprises should comprehensively consider specific usage environment, cost budget and technical requirements. Whether it is consumer electronics that pursue extreme lightweight or industrial equipment that needs to withstand extreme conditions, anti-thermal presses can provide them with reliable solutions. Next, we will further explore the practical application of anti-thermal pressing agents in various fields.

Application fields and typical cases of anti-thermal pressing agent

Aerospace: The Pioneer of Materials that Challenge the Limits

In the field of aerospace, the importance of anti-thermal pressing agents is irreplaceable. Aircraft and rockets will experience huge aerodynamic heating effects during high-speed flights, with surface temperatures as high as thousands of degrees Celsius. To protect the body structure and maintain normal operation, scientists have developed a series of high-performance anti-thermal pressing agent materials.

Classic Case: Spacecraft Heat Insulation Cover

Take the Apollo project of NASA in the United States as an example, the thermal protection system used at that time used phenolic resin-based composite materials as the anti-thermal pressing agent.Core ingredients. This material is able to withstand high temperatures of more than 1600°C when entering the Earth’s atmosphere while maintaining sufficient mechanical strength to cope with violent vibrations during reentry. In addition, the heat shield of China’s Tianwen-1 Mars rover also uses similar anti-thermal pressing agent technology to ensure the safety of the probe when it passes through the thin atmosphere of Mars.

Application Scenario	Material Type	Key Performance Indicators
Heat Insulation	Phenolic resin composite material	Temperature resistance:>1600°C Density: <1g/cm³
Engine nozzle	Silicon carbide ceramic matrix composite material	Temperature resistance:>1200°C Strength:>500MPa

Automotive manufacturing: a secret weapon for high efficiency and energy saving

As environmental protection regulations become increasingly strict, the automotive industry’s demand for energy conservation and emission reduction is becoming increasingly urgent. The role of anti-thermal pressing agents in this field is mainly reflected in two aspects: one is to improve engine efficiency, and the other is to reduce the weight of the vehicle.

Sample Analysis: Turbocharger Blade

The working environment of the modern automobile turbocharger is extremely harsh, and the blades need to continue to operate at high temperatures above 800°C. To this end, the engineers chose nickel-based high-temperature alloys as the base material and further improved their performance by adding ceramic particles enhanced anti-thermal pressing agents. This improvement not only extends the service life of the blades, but also significantly improves the overall efficiency of the engine.

Application Scenario	Material Type	Key Performance Indicators
Turbocharger blades	Nickel-based high temperature alloy + ceramic particles	Temperature resistance:>900°C Fatility life:>5000 hours
Exhaust manifold	Stainless steel + ceramic coating	Corrosion resistance: pH 1-14 Thermal conductivity: <5W/(m·K)

Electronic Equipment: Guardian of the Age of Miniaturization

With the popularity of portable electronic devices such as smartphones and laptops, consumers have proposed product performance and battery life.Higher requirements. However, the internal space of the equipment is limited, and the heat dissipation problem has become a bottleneck restricting development. The contribution of anti-thermal pressing agents is particularly outstanding in this regard.

Innovative application: Graphene thermal film

In recent years, graphene has been widely used as a new two-dimensional material in the thermal management of electronic devices. By combining graphene with traditional polymers to form a thermal pressure anti-pressant, a thermal conductivity of up to 1000W/(m·K) can be achieved, which is far beyond the performance of traditional copper foil materials. For example, Huawei Mate series mobile phones have adopted this technology and successfully solved the heat dissipation problem caused by high-power processors.

Application Scenario	Material Type	Key Performance Indicators
Mobile phone heat sink	Graphene Composite Material	Thermal conductivity: >1000W/(m·K) Thickness: <0.1mm
Laptop case	Aluminum-based composite material + graphene	Thermal conductivity:>300W/(m·K) Weight: <1kg

Building and Infrastructure: Basic guarantee for building a century-old project

In addition to the above high-tech fields, anti-thermal pressing agents also play an important role in construction and infrastructure construction. Especially in areas with frequent earthquakes, buildings need to have stronger seismic resistance and durability. By adding fibrous heat-resistant pressing agent to the concrete, its crack resistance and ductility can be greatly improved, thereby extending the structural life.

Successful Cases: Tokyo Skytree, Japan

As the world’s second tallest building, the design of Tokyo Sky Tower fully considers the application of anti-thermal pressing agents. Its core cylinder uses high-performance concrete containing polypropylene fibers. This material can not only effectively suppress the temperature rise speed in the event of fire, but also significantly reduce the impact of seismic waves on buildings.

Application Scenario	Material Type	Key Performance Indicators
Core cylinder	Polypropylene fiber concrete	Crack resistance: 3 times higher Fire resistance time: >4 hours
Exterior wall insulation layer	Foaming ceramic plate + nano-silica gel	Thermal conductivity: <0.05W/(m·K) Fire resistance level: Class A

To sum up, anti-thermal presses have shown irreplaceable value in all walks of life with their diverse functions and excellent performance. Whether it is a spacecraft exploring the mysteries of the universe or a consumer electronic product close to daily life, anti-thermal pressing agents silently support every great innovation behind it.

Detailed explanation of technical parameters of anti-thermal pressing agent

The technical parameters of the anti-thermal pressing agent are an important basis for measuring its performance and are also a key factor in determining whether it is suitable for specific application scenarios. The following are detailed descriptions of several core parameters, including temperature resistance range, compressive strength, thermal expansion coefficient, etc., and the differences between different materials are visually displayed in the form of a table.

Temperature resistance range

Temperature resistance range refers to the high and low temperature ranges that the heat-resistant pressing agent can withstand without failure. This parameter directly affects the applicability of the material in extreme environments.

Material Type	Low Temperature (°C)	High Temperature (°C)	Feature Description
Organic anti-thermal press	-50	250	Suitable for low-temperature to medium-temperature environments, it has good flexibility but is easy to decompose at high temperatures.
Inorganic anti-thermal press	-200	1200	Excellent high temperature resistance, but the processing is difficult and costly.
Composite anti-thermal press	-100	800	Combining the advantages of organic and inorganic materials, taking into account both temperature resistance and processability.

Compressive Strength

Compressive strength reflects the resistance of the heat-pressing agent when it is subjected to external pressure, usually in megapas (MPa). This parameter is particularly important for products that need to be in a high-voltage environment for a long time.

Material Type	Compressive Strength (MPa)	Application Scenario
Polyamide-based anti-thermal press	70	Customer electronics shells need to be lightweight and have certain strength requirements.
Silicon carbide-based anti-thermal press agent	500	Aero engine components must withstand extremely high pressure and temperature.
Fiberglass Composite Material	200	Auto chassis guard plate, balance strength and shock absorption effect.

Coefficient of Thermal Expansion

The coefficient of thermal expansion indicates the degree to which the material changes in size as temperature changes, usually in one millionth of a degree per Celsius (ppm/°C). The lower coefficient of thermal expansion means that the material has less deformation after being heated, making it more suitable for the manufacturing of precision instruments.

Material Type	Coefficient of Thermal Expansion (ppm/°C)	Application Scenario
Aluminum-based anti-thermal press	23	Electronic heat sinks need to respond quickly to temperature changes.
Ceramic-based anti-thermal press	3	Spacecraft heat shield requires extremely small deformation to ensure structural integrity.
Graphene Composite Material	10	High-end smartphones take into account both heat dissipation and dimensional stability.

Thermal conductivity

The thermal conductivity determines the efficiency of the heat-resistant pressing agent when transferring heat, in watts per meter Kelvin (W/(m·K)). Materials with high thermal conductivity can dissipate heat faster and avoid damage caused by local overheating.

Material Type	Thermal conductivity (W/(m·K))	Application Scenario
Polyvinyl anti-thermal press	0.5	The insulation layer of household appliances focuses on heat insulation rather than heat dissipation.
Copper-based anti-thermal pressing agent	400	High-performance computer CPU heatsink, pursuing the ultimate heat dissipation effect.
Graphene-based anti-thermal press	1000	Ultra-thin smartwatches that manage internal heat lightly and efficiently.

Corrosion resistance

NavigationCorrosiveness refers to the ability of heat presses to resist chemical erosion, which is usually evaluated by pH range. Strong corrosion-resistant materials can remain stable for a long time in an acid-base environment and extend their service life.

Material Type	Corrosion resistance (pH range)	Application Scenario
Polytetrafluorovinyl anti-thermal press	1-14	Chemical pipe lining, completely covering all acid and alkali environments.
Zirconia-based anti-thermal press	4-10	Industrial boiler seals, adapt to neutral to weak acid and alkali conditions.
Stainless steel-based anti-thermal pressing agent	2-12	Marine platform equipment, resists seawater erosion and salt spray corrosion.

It can be seen from the comparison of the above parameters that different types of anti-thermal pressing agents have their own emphasis on various properties, and users can choose suitable products according to actual needs. For example, if the goal is to improve the heat dissipation efficiency of electronic products, graphene-based thermal pressure agents with high thermal conductivity should be given priority; while fiberglass composites may be a better choice if the seismic performance of building structures is to be strengthened. Next, we will further explore the current research status of heat-pressing agents at home and abroad, and reveal new progress in this field.

The current status and development trend of heat-resistant pressing agent research at home and abroad

International Research Trends

Around the world, the research and development of anti-thermal press agents has become an important part of scientific and technological strategies of many countries. Developed countries in Europe and the United States have achieved remarkable achievements in this field with their deep industrial foundation and advanced scientific research strength. For example, the Massachusetts Institute of Technology (MIT) and NASA have developed a new type of carbon nanotube-enhanced anti-thermal press agent with temperature resistance range of up to 2,000°C, providing strong support for the next generation of spacecraft. At the same time, the Fraunhof Institute in Germany focused on the research of ceramic matrix composite materials and successfully developed a thermal pressing agent with high strength and low density characteristics, which is widely used in aero engine manufacturing.

United States: Leading the Frontier Technologies

The United States has always been at the forefront of the world in the field of anti-thermal pressing agents. Thanks to its huge defense budget and cutting-edge laboratory resources, American scientists continue to push through the limits of material performance. A Stanford University study shows that by combining graphene with boron nitride nanosheets, a new two-dimensional thermal pressure agent can be created, with a thermal conductivity of nearly three times higher than that of traditional materials while maintaining excellent flexibility. This material has been used in battery tubes for Tesla electric vehiclesIn the management system, the energy density and cycle life are significantly improved.

Europe: Focus on sustainable development

European countries pay more attention to the environmental protection properties and recyclability of anti-heat pressing agents. The University of Cambridge in the UK proposed a bio-based polymer-based anti-thermal pressing agent scheme, and prepared a green and efficient thermal management material by extracting plant cellulose and modifying it. This material not only complies with the strict environmental regulations of the EU, but also has excellent thermal insulation performance and has been used in many well-known home appliance brands.

Domestic research progress

In recent years, my country has made great progress in research on the field of anti-thermal press agents, gradually narrowing the gap with the international advanced level. Top scientific research institutions such as Tsinghua University and the Chinese Academy of Sciences have successively launched a series of innovative achievements, providing strong support for major national engineering projects.

High temperature performance breakthrough

In response to the special needs of the aerospace field, the Ningbo Institute of Materials, Chinese Academy of Sciences has developed a new silicon carbide ceramic-based composite thermal pressing agent, whose temperature resistance range has exceeded 1500°C, and it also has excellent oxidation resistance and thermal shock resistance. This achievement has been successfully applied to the engine components of the domestic large aircraft C919, marking a solid step in my country’s high-end manufacturing materials field.

Functional Expansion

In addition to improving traditional performance, domestic researchers are also actively exploring new functions of anti-thermal press agents. For example, the Fudan University team invented an intelligent anti-thermal press with self-healing capabilities. When slight damage occurs on the surface of the material, the built-in active molecules can automatically migrate to the damaged area and re-cure, restoring to the original performance. This material is especially suitable for long-running industrial equipment, greatly reducing maintenance costs.

Technical Comparison and Inspiration

Research Direction	International Leading Achievements	Representative domestic achievements	Inspiration and Suggestions
High temperature resistant materials	U.S. Carbon Nanotube Enhanced Heat Pressure Agent	Silicon carbide ceramic matrix composite material of Chinese Academy of Sciences	Strengthen basic theoretical research and explore more new material systems.
Thermal performance optimization	Stanford University Graphene-Boron Nitride Composite	Tsinghua University High Thermal Conductivity Aluminum Alloy Base Material	Focus on interdisciplinary collaboration and combine nanotechnology to improve material performance.
Environmental and Sustainability	Bio-based anti-thermal pressing agent of the University of Cambridge, UK	Zhejiang University’s Degradable Polymer-Based Anti-Heat Pressing Agent of Zhejiang University	Accelerate the process of industrialization of green materials and meet international market access requirements.
Intelligent Function	German intelligent induction anti-thermal press	Fudan University Self-repair Anti-thermal Pressing Agent	Depth the potential of intelligence and develop multifunctional integrated materials.

From the above comparison, we can see that although my country has reached or even surpassed the international level in some fields, there is still a certain gap in overall technical level and industrial chain maturity. In the future, we should further increase R&D investment, strengthen the integration of industry, education and research, and actively participate in the formulation of international standards to comprehensively enhance the competitiveness of my country’s anti-thermal pressing agent industry.

Looking forward: Development trends and opportunities of anti-thermal pressing agents

With technological progress and the continuous changes in market demand, the anti-thermal pressing agent industry is ushering in unprecedented development opportunities. The future anti-thermal press agents will develop in a more intelligent, green and environmentally friendly and high-performance direction, bringing more surprises and conveniences to human society.

Intelligence: The ability to give materials “life”

The future anti-thermal pressing agents will no longer be limited to being passively affected by external environment, but will be able to actively perceive and respond to various stimuli. For example, by embedding a sensor network, the anti-thermal press can monitor its own temperature and pressure state in real time and feed back the data to the control system. Once an abnormal situation is detected, the self-healing mechanism inside the material will be activated, quickly repairing minor damage, thereby extending the service life. This intelligent feature is especially suitable for long-term operational critical equipment such as nuclear power plant reactor vessels or deep-sea detector housings.

In addition, intelligent anti-thermal pressing agent can automatically adjust its physical and chemical properties according to different working conditions. For example, in cold weather, the anti-thermal pressing agent in car tires can increase friction by changing the molecular arrangement and improve driving safety; in hot summers, it can reduce heat transfer by reducing the thermal conductivity to keep the car cool and comfortable.

Green and environmentally friendly: Practice the concept of sustainable development

As the global climate change problem becomes increasingly severe, environmental protection has become a key issue of common concern to all industries. Future anti-thermal presses will focus more on reducing consumption of natural resources and reducing waste emissions. On the one hand, researchers are actively looking for renewable raw materials to replace traditional petroleum-based polymers, such as synthesis of new anti-thermal pressing agents using biomass resources such as corn starch and lignin. On the other hand, by optimizing the production process, minimizing energy consumption and pollutant generation is also an important issue that needs to be solved urgently.

It is worth mentioning that the concept of “circular economy” has also been introduced into the field of anti-thermal pressing agents. By establishing a complete recycling system, the discarded anti-heat pressing agent can be converted into raw materials and put into production again after treatment, forming a closed loopsupply chain. This not only helps alleviate resource shortages, but also creates additional economic value for businesses.

High performance: Breakthrough the limits

Although existing anti-thermal press agents have shown many excellent properties, in the face of more demanding application scenarios in the future, we still need to continue to pursue higher-level technological breakthroughs. For example, in cutting-edge scientific research such as quantum computing and nuclear fusion, the required anti-thermal pressing agent must have extremely high purity and stability to meet the experimental accuracy requirements. To this end, scientists are trying to use advanced technologies such as atomic layer deposition (ALD) to accurately control the material structure at the nanoscale, thereby achieving a leap in performance and qualities.

At the same time, in order to adapt to the development trend of multidisciplinary cross-fusion, future anti-thermal pressing agents will pay more attention to multifunctional integrated design. An ideal product not only needs excellent thermal management capabilities, but also takes into account various additional functions such as electromagnetic shielding, sound insulation and noise reduction to meet the comprehensive needs of complex systems.

Market prospects and investment opportunities

According to authoritative institutions, the global anti-thermal pressing agent market size will continue to expand at an average annual compound growth rate of more than 8% in the next five years, and the Asia-Pacific region will become one of the fastest growing regions. This trend provides broad development space for related companies. Especially those companies that can take the lead in mastering core technologies and form large-scale production capacity will occupy an advantageous position in the fierce market competition.

Investors should focus on the following types of market segments: First, high-performance anti-thermal pressing agents for emerging industries such as new energy vehicles and 5G communications; second, environmentally friendly anti-thermal pressing agents for building energy-saving transformation needs; third, special anti-thermal pressing agents serving high-end fields such as aerospace and military industry. By accurately layout these high-value-added fields, you can not only get rich returns, but also contribute to the promotion of the entire industry.

In short, as an indispensable key material for modern industry, the future development of anti-thermal press agents is full of infinite possibilities. Let us look forward to more exciting chapters in this field together!

Compound antioxidant: a key technology to improve the antioxidant performance of plastic products

admin 3月 15th, 2025 News

Composite antioxidant: Key technologies to improve the antioxidant properties of plastic products

In modern society, plastic products are everywhere. From the water bottles, food packaging we use every day to the shells of auto parts and electronic equipment, plastic has been deeply integrated into our lives. However, although plastics have the advantages of lightness and durability, their antioxidant properties often become an important factor restricting their service life. Over time, plastic products will turn yellow, become brittle and even crack due to oxidation, which not only affects the beauty, but may also bring safety hazards. To solve this problem, scientists have developed a key technology – composite antioxidants.

This article will conduct in-depth discussion on the mechanism of action, type classification, application fields of composite antioxidants and how to choose suitable composite antioxidants. At the same time, we will also comprehensively demonstrate the important role of composite antioxidants in improving the antioxidant properties of plastic products through specific case analysis and combined with domestic and foreign research literature. Whether you are an industry practitioner or an ordinary reader interested in materials science, this article will provide you with rich knowledge and practical guidance.

What are compound antioxidants?

Composite antioxidant is a chemical additive specially used to delay or inhibit the oxidation reaction of plastic products. They prevent the occurrence of free radical chain reactions by interacting with plastic molecules, thereby significantly improving the durability and stability of plastic products. Simply put, compound antioxidants are like putting on plastics a “protective suit” to make it stronger when facing the “enemy” of oxygen.

Basic Functions of Compound Antioxidants

The main functions of composite antioxidants can be summarized as follows:

Catch free radicals: Oxidation reactions are usually chain reactions triggered by free radicals. Complex antioxidants can effectively capture these free radicals and terminate the reaction chain.
Decomposition of peroxides: Peroxides are intermediates produced during oxidation, which will further accelerate the oxidation reaction. Complex antioxidants can decompose these peroxides and reduce their damage to plastic molecules.
Prevent photooxidation: UV rays in sunlight will aggravate the oxidation process of plastics. Some components in composite antioxidants can absorb ultraviolet rays and protect plastics from photooxidation.

Through the above functions, composite antioxidants not only extend the service life of plastic products, but also maintain their original physical and chemical properties.

Next, we will discuss in detail the types of composite antioxidants and their respective characteristics.

Types and characteristics of composite antioxidants

Composite antioxidants can be divided into various types according to their chemical structure and mechanism of action. Each type of antioxidant has its own unique propertiesand scope of application, so in actual application, you need to choose according to specific needs. The following are several common composite antioxidants and their characteristics:

1. Primary Antioxidants

The main antioxidant inhibits the chain propagation of the oxidation reaction mainly by capturing free radicals. They are the basics and one of the important antioxidants categories.

Common types:

Phenol antioxidants: such as BHT (butylated hydroxyl) and BHA (butylated hydroxyanisole). This type of antioxidant is widely used in food packaging and medical devices due to its efficient free radical capture capability.
Amine antioxidants: For example, aromatic amine compounds have strong antioxidant properties, but may cause discoloration of plastics, so they are mostly used for industrial purposes rather than food contact materials.

Type	Features	Application Fields
Phenol antioxidants	Efficiently capture free radicals, good safety	Food Packaging, Medical Devices
Amine antioxidants	Strong antioxidant capacity, but easy to cause discoloration	Industrial products, non-food contact materials

2. Secondary Antioxidants

Auxiliary antioxidants are mainly used to decompose peroxides, thereby indirectly inhibiting oxidation reactions. They are usually used in conjunction with the main antioxidant for better results.

Common types:

Phosophile antioxidants: For example, tris(nonylphenyl)phosphite can effectively decompose peroxides and prevent plastic aging.
Thiodipropionate antioxidants: Such as bidodecylthiodipropionate, which has good thermal stability and antioxidant properties.

Type	Features	Application Fields
Phosphite antioxidants	Decompose peroxides and have good thermal stability	Engineering Plastics, Films
Thiodipropionate antioxidants	Decompose peroxides and have strong antioxidant properties	Auto parts, cable materials

3. Light Stabilizers

Light stabilizers are a special class of antioxidants, specially designed to prevent photooxidation reactions caused by ultraviolet rays. They protect plastics from photoaging by absorbing or reflecting ultraviolet rays.

Common types:

Ultraviolet absorbers: Such as benzotriazole compounds, they can effectively absorb ultraviolet rays and prevent plastic from fading and becoming brittle.
Free Radical Scavenger: Such as hindered amine light stabilizers, they can not only capture free radicals, but also decompose peroxides, and double-protect plastics.

Type	Features	Application Fields
Ultraviolet absorber	Absorb UV rays to prevent photooxidation	Outdoor plastic products
Free Radical Scavenger	Double protection, capture free radicals and decompose peroxides	Auto housing, outdoor membrane

4. Synergistic Antioxidants

Synergy antioxidants refer to compounds that have weak antioxidant capabilities but can significantly enhance the overall effect when used with other antioxidants. Their presence makes the composite antioxidant system more efficient.

Common types:

Metal ion chelating agents: For example, EDTA (ethylenediamine titanium) can chelate metal ions and prevent them from catalyzing oxidation reactions.
Wax substances: Such as microcrystalline wax, it can form a protective film on the surface of the plastic to reduce oxygen contact.

Type	Features	Application Fields
Metal ion chelating agent	Prevent metal ion catalytic oxidation reaction	Medical devices, food packaging
Wax substances	Form a protective film to reduce oxygen contact	Agricultural mulching film and packaging materials

From the above classification, it can be seen that different types of composite antioxidants have their own emphasis and are suitable for different application scenarios. In practical applications, it is often necessary to use a combination of multiple antioxidants to achieve an optimal antioxidant effect.

Mechanism of action of composite antioxidants

To understand why complex antioxidants are so important, we need to have a deeper understanding of their mechanism of action. The oxidation process of plastic products is a complex chemical reaction chain, mainly including the following stages: the initiation stage, the propagation stage and the termination stage. Complex antioxidants effectively delay or prevent the occurrence of oxidation reactions by intervening in these stages.

Initiation stage: The birth of free radicals

The starting point of the oxidation reaction is usually the formation of free radicals. When plastics are exposed to high temperatures, light or oxygen, their molecular chains may break and free radicals are created. These free radicals are like “flames” that once ignited, they will trigger a chain reaction.

The main antioxidant in the composite antioxidant plays a key role at this stage. They prevent further development of the reaction chain by providing hydrogen atoms or other reactive groups, rapidly capturing free radicals, converting them into stable compounds.

Propagation stage: diffusion of chain reaction

If the radicals are not captured in time, they will react with the surrounding plastic molecules to create new radicals. This chain reaction will continue to spread, eventually leading to large-scale degradation of plastic molecules.

At this time, auxiliary antioxidants appear. They prevent further spread of the oxidation process by decomposing peroxides and cutting off the reaction chain. This “fire extinguishing” effect is crucial to maintaining the integrity of plastics.

Termination phase: Restoration of stable state

Under the intervention of the composite antioxidant, the oxidation reaction gradually stopped and the plastic molecules re-entered the stable state. Synergistic antioxidants play an important role in this stage to ensure balance and durability of the entire system.

Through the intervention of the above three stages, the composite antioxidant successfully protects the plastic products from oxidation. This process can be described in a metaphor: Compound antioxidants are like a trained fire brigade ready to put out fires and protect the safety of buildings.

Application fields of composite antioxidants

The application areas of composite antioxidants are very wide, covering almost all industries involving plastic products. Below we will introduce the application situation in detail in several major areas.

1. Packaging Industry

In the packaging industry, composite antioxidants are mainly used in food packaging and beverage containers. Since these products are directly in contact with human food, they have extremely high safety requirements. Phenol antioxidants are the first choice for their low toxicity and high efficiency.

Application Scenario	Types of antioxidants used	Main Function
Food Packaging	Phenol antioxidants	Improve the oxidation resistance of packaging materials
Beverage container	Ultraviolet absorber	Prevent photooxidation and maintain the taste of the beverage

2. Automobile Industry

The automobile industry has extremely high requirements for the durability and stability of plastic products, especially in high temperature environments such as engine compartments. Amines and phosphite antioxidants are often used to make automotive parts to ensure that they do not age for long-term use.

Application Scenario	Types of antioxidants used	Main Function
Engine cover	Amine antioxidants	Improving heat resistance and oxidation resistance
Car interior	Ultraviolet absorber	Prevent photoaging and maintain beautiful appearance

3. Medical devices

Medical devices have extremely strict requirements on the safety and stability of materials. Metal ion chelating agents and phenolic antioxidants are often used to make medical devices to ensure that they do not release harmful substances during use.

Application Scenario	Types of antioxidants used	Main Function
Syringe	Metal ion chelating agent	Prevent metal ion contamination
Infusion tube	Phenol antioxidants	Improve the biocompatibility of materials

4. Agricultural field

In the agricultural field, agricultural mulching needs to have good weather resistance and anti-aging properties. UV absorbers and wax substances are often used to make agricultural mulch to ensure that they are used for a long time in outdoor environments without damage.

Application Scenario	Types of antioxidants used	Main Function
Agricultural mulching	Ultraviolet absorber	Prevent photoaging and extend service life
Greenhouse Covering Materials	Wax substances	Reduce oxygen contact and improve durability

From the above cases, it can be seen that the application of composite antioxidants in various fields has played an irreplaceable role. They not only improve the performance of plastic products, but also bring significant economic and social benefits to related industries.

How to choose the right compound antioxidant?

Selecting the right composite antioxidant is a critical step in ensuring the performance of plastic products. Here are some factors to consider when choosing a compound antioxidant:

1. Application environment

The requirements for composite antioxidants vary in different application environments. For example, outdoor plastic products need to focus on light stability, while food contact materials pay more attention to safety.

2. Cost Budget

The price difference between composite antioxidants is large, and the balance between cost and performance needs to be comprehensively considered when choosing. Generally speaking, high-performance antioxidants are more expensive, but in some cases, appropriately increasing investment can result in higher returns.

3. Processing technology

Different processing processes may affect the effectiveness of composite antioxidants. For example, during injection molding, high temperatures can cause some antioxidants to decompose and fail. Therefore, processing conditions need to be fully considered when selecting antioxidants.

4. Regulations Requirements

The regulations and requirements for plastic products in different countries are different. When choosing composite antioxidants, you need to ensure that they meet relevant standards. Compliance is particularly important in the fields of food contact materials and medical devices.

By taking into account the above factors, we can better select composite antioxidants suitable for specific application scenarios, thereby achieving an excellent antioxidant effect.

Conclusion

Composite antioxidants, as a key technology to improve the antioxidant properties of plastic products, have been widely used in all walks of life. They effectively delay the aging process of plastics and improve the service life and performance of the product by capturing free radicals, decomposing peroxides and preventing photooxidation.

In the future, with the continuous development of science and technology, the research on composite antioxidants will also be more in-depth. We look forward to seeing more new antioxidants appearing to bring greater benefits to the plastics industryinnovation and development opportunities. As one scientist said: “Composite antioxidants are not only the guardian of plastics, but also an important force in promoting the progress of materials science.” Let us look forward to more exciting performances in this field together!

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