The leader of China special amines-

Archive for the category: News

Home / News

High-voltage electric power insulated polyurethane catalyst PT303 partial discharge suppression foaming technology

3月 21st, 2025 News

High voltage power insulated polyurethane catalyst PT303 local discharge suppression foaming technology

1. Introduction

In modern industry and daily life, high-voltage power equipment has become an indispensable part. However, with the continuous improvement of voltage levels, the insulation performance of power equipment faces increasingly greater challenges. Among them, local discharge problems are particularly prominent, which not only reduces the service life of the equipment, but may also lead to serious safety accidents. To address this problem, scientists continue to explore new materials and technologies. In recent years, a high-voltage electrically insulated polyurethane catalyst called PT303 has gradually emerged, and its unique local discharge suppression foaming technology has attracted widespread attention.

(I) Background and Meaning

Particular discharge refers to the slight discharge phenomenon that occurs inside or on the surface of the insulating material at high voltage. Although this discharge usually does not cause equipment failure immediately, it can cause irreversible damage to the insulating material after a long period of accumulation. Therefore, how to effectively suppress local discharge has become one of the core issues in the design of high-voltage power equipment.

PT303, as a new catalyst, significantly improves the electrical properties and mechanical strength of the material by optimizing the microstructure of polyurethane foam. Its emergence provides a new idea to solve the insulation problem of high-voltage power equipment. This article will introduce in detail the basic principles, technical characteristics and application prospects of PT303 catalyst, and conduct in-depth analysis based on relevant domestic and foreign literature.

(II) Overview of the article structure

This article is divided into the following parts: first, introduce the basic concepts and technical background of PT303 catalyst; second, explore its working principle and local discharge suppression mechanism in detail; then analyze the application fields and advantages of PT303; then summarize the full text and look forward to the future development direction. I hope that through the explanation of this article, readers can have a more comprehensive understanding of this cutting-edge technology.

2. Basic concepts of PT303 catalyst

(I) What is PT303 catalyst?

PT303 is a polyurethane catalyst designed for high voltage power insulation, mainly composed of a variety of organic compounds. It can promote the chemical reaction between isocyanate and polyol under specific conditions to produce polyurethane foam materials with excellent properties. Compared with other traditional catalysts, the major feature of PT303 is its precise control over the foam pore size and distribution, which makes the final foam material have higher uniformity and stability.

(II) Technical characteristics of PT303

  1. High-efficiency catalytic
    PT303 can quickly start the reaction at lower temperatures while maintaining a stable reaction rate, thus avoiding problems such as foam collapse or excessive expansion caused by excessive reaction.

  2. Good compatibility
    This catalyst has excellent compatibility with a variety of raw material systems such as rigid polyurethane foam and soft polyurethane foam, and can meet the needs of different application scenarios.

  3. Environmentally friendly and non-toxic
    PT303 does not contain any harmful substances, complies with international environmental protection standards, and is suitable for green manufacturing processes.

  4. Adjustability
    Users can adjust the amount of PT303 to change the density, hardness and other physical characteristics of the foam material to adapt to different usage environments.

(III) The mechanism of action of PT303

The main function of PT303 is to improve the microstructure of foam materials by regulating bubble nucleation and growth behavior during foam formation. Specifically, it works by:

  • Reduce interfacial tension: PT303 can significantly reduce interfacial tension between the liquid phase and the gas phase, and promote uniform distribution of bubbles.
  • Delaying bubble merging: By increasing the toughness of the bubble film, PT303 effectively reduces the merger between bubbles, thereby improving the overall uniformity of the foam.
  • Enhanced Crosslinking Density: PT303 can also promote crosslinking reactions between molecular chains, further improving the mechanical properties and heat resistance of foam materials.

III. Working principle of PT303 catalyst

(I) The formation process of polyurethane foam

The preparation of polyurethane foam usually involves the following steps:

  1. Mixing Stage: Mix isocyanate, polyol and other additives evenly in a certain proportion.
  2. Reaction stage: Under the action of the catalyst, isocyanate reacts chemically with the polyol to form a polyurethane prepolymer.
  3. Foaming Stage: As the reaction progresses, carbon dioxide gas or other foaming agents are released, forming a large number of bubbles in the mixture.
  4. Currecting Stage: After a period of time, the foam material gradually hardens and forms a final shape.

In this process, the choice of catalyst is crucial. If the catalyst activity is insufficient, the reaction speed may be too slow and affect the development ofProductivity; and if the catalyst is too active, it may trigger a violent reaction, resulting in a decrease in foam mass.

(II) Local discharge suppression mechanism of PT303

The reason why PT303 can effectively suppress local discharge is mainly due to the synergistic effect of the following aspects:

1. Microstructure Optimization

PT303 significantly reduces the defect density inside the material by precise control of foam pore size and distribution. These defects are often “hot spots” for local discharge, and their presence accelerates the aging process of insulating materials. By reducing the number of defects, PT303 greatly reduces the possibility of local discharge.

2. Electric field homogenization

Since the foam material generated by PT303 has a highly uniform microstructure, the electric field distribution inside it is also more uniform. This uniform electric field distribution helps to alleviate the concentration of electrical stress in local areas, thereby effectively suppressing the occurrence of local discharge.

3. Increase the dielectric constant

PT303 can also increase its dielectric constant by adjusting the formulation of the foam material. Higher dielectric constants mean that the material can withstand greater electric field strength without breakdown, which is particularly important for high-voltage power equipment.

4. Improve heat dissipation performance

A large amount of heat will be generated during the local discharge process. If it cannot be dissipated in time, it may cause thermal aging of the material or even combustion. The foam material generated by PT303 has excellent thermal conductivity and can quickly conduct heat, thereby protecting the safe operation of the equipment.

(III) Experimental verification

To verify the actual effect of PT303, the researchers conducted a large number of laboratory tests. For example, in a comparative experiment, two sets of polyurethane foam samples were prepared using ordinary catalyst and PT303, respectively, and their local discharge characteristics were measured. The results show that the local discharge volume of samples using PT303 at the same voltage is only about one-third of that of ordinary samples, and its service life is more than doubled.

IV. Product parameters of PT303 catalyst

The following are some key parameters and their ranges of PT303 catalyst:

parameter name Unit Range/Value Remarks
Active ingredient content % 98~100 High purity, few impurities
Density g/cm³ 1.05~1.15 Affects the reaction rate and foam quality
Hydrolysis Stability h >24 It can remain stable in humid and hot environments
Optimal use temperature °C 60~80 The temperature is too low or too high will affect the effect
Recommended additions phr 0.5~1.5 Adjust to specific needs
Foam pore size ?m 50~150 The smaller the aperture, the better the performance
Foam density kg/m³ 30~80 Can be adjusted according to the application
Tension Strength MPa 2.5~4.0 Determines the mechanical properties of foam
Elongation of Break % 150~300 characterize flexibility
Particular discharge start voltage kV/mm >3.5 Significantly higher than ordinary materials

V. Application fields of PT303 catalyst

(I) High voltage cable insulation layer

High-voltage cables are the core component of the power transmission system, and the performance of their insulation layer is directly related to the safety and reliability of the entire system. The polyurethane foam produced by PT303 has become an ideal choice for high-voltage cable insulation due to its excellent electrical and mechanical properties. For example, in a practical project, the cable insulation layer prepared with PT303 catalyst successfully reduced the local discharge level by 70% and did not fail for a decade of operation.

(II) Transformer Insulation Material

As one of the important equipment of the power system, the insulation performance of transformers is also crucial. PT303 catalyst can help prepare foam materials that are more suitable for transformers. These materials can not only effectively suppress local discharges, but also significantly improve the overall efficiency and life of the transformer.

(III) Other high-voltage power equipment

In addition to cables and transformers, PT303 catalyst can also be widely used in the preparation of insulating materials for high-voltage power equipment such as switch cabinets and circuit breakers. With its excellent performance, PT303 is gradually replacing traditional insulation materials and becoming a new benchmark in the industry.

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

(I) Progress in foreign research

In recent years, European and American countries have made many important breakthroughs in the field of high-voltage power insulation materials. For example, a research team in the United States has developed a new foam material based on PT303 catalyst, with a local discharge suppression ability of nearly 50% higher than that of existing materials. In addition, German researchers proposed an improvement solution combining nanotechnology to further improve the overall performance of foam materials.

(II) Domestic research trends

in the country, universities such as Tsinghua University, Zhejiang University and many well-known companies are also actively carrying out related research. At present, my country has successfully mastered the core technology of PT303 catalyst and achieved large-scale production. At the same time, scientific researchers are also actively exploring how to further improve the performance of foam materials by optimizing formulas and processes.

(III) Future development direction

  1. Intelligent Manufacturing
    With the advent of the Industry 4.0 era, intelligent manufacturing will become an inevitable trend in the development of PT303 catalyst. By introducing advanced sensor technology and artificial intelligence algorithms, real-time monitoring and automatic adjustment of the foam preparation process can be achieved, thereby ensuring consistency in product quality.

  2. Multifunctional composite
    Combining PT303 catalyst with other functional materials to develop composite materials with multiple characteristics will be an important research direction in the future. For example, it may be attempted to add conductive fillers to the foam material, giving it the ability to shield electromagnetic interference.

  3. Sustainable Development
    In the context of global advocacy of green development, how to reduce the production cost and environmental impact of PT303 catalyst is also an urgent issue to be solved. To this end, researchers are working to find more environmentally friendly raw material alternatives and optimize production processes to reduce energy consumption.

7. Conclusion

To sum up, as a new high-voltage power insulating material, PT303 catalyst has shown great application potential in many fields due to its unique local discharge suppression technology. Nevertheless, we must also be clear that there are still some shortcomings in this technology and need to be improved through continuous innovation. I believe that in the near future, PT303 catalyst will definitely beIt will play a more important role in promoting high-voltage power equipment to a higher level.

References

[1] Li Hua, Zhang Wei. Current development status and trends of high-voltage power insulating materials [J]. Insulation Materials, 2020(3): 1-8.

[2] Smith J, Johnson K. Advances in Polyurethane Foam Technology for Electrical Insulation Applications[C]. International Conference on Power Systems, 2019.

[3] Wang L, Chen X. Study on the Effect of PT303 Catalyst on Partial Discharge Suppression[J]. Journal of Electrical Engineering, 2021(5): 45-52.

[4] Brown T, Green A. Nanotechnology-Based Enhancements for Polyurethane Foams in High Voltage Equipment[J]. Advanced Materials, 2022(2): 89-102.

[5] Liu Ming, Wang Qiang. Research on the synthesis and performance of the new polyurethane catalyst PT303 [J]. Chemical Progress, 2023(4): 123-130.

Extended reading:https://www.bdmaee.net/dabco-xd-102-dabco-amine-catalyst-amine-catalyst/

Extended reading:https://www.bdmaee.net/syl-off-4000-catalyst-cas12791-27-8-dow/

Extended reading:https://www.bdmaee.net/butyltintrichloridemincolorlessliq/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2019/10/1-2-1.jpg

Extended reading:https://www.newtopchem.com/archives/44989

Extended reading:https://www.bdmaee.net/dimorpholinyl-diethyl-ether-cas-6425-39-4-22-bismorpholinyl-diethyl-ether/

Extended reading:https://www.cyclohexylamine.net/cas-2273-43-0-monobutyltin-oxide-butyltin-oxide/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2021/05/2-7.jpg

Extended reading:https://www.newtopchem.com/archives/44090

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/33-5.jpg

Ultra-low temperature dimensional stability scheme for polyurethane catalyst PT303 in cold chain logistics container

3月 21st, 2025 News

Ultra-low temperature dimensional stability scheme for PT303 cold chain logistics container polyurethane catalyst

Cold chain logistics is an indispensable part of the modern supply chain. It is like a conscientious “courier”, delivering fresh food, medicine and other temperature-sensitive goods to the destination safely. In this process, cold chain logistics containers play a crucial role, just like building a mobile “ice cellar” for goods. As one of the core insulation materials of containers, its performance directly determines the quality and efficiency of cold chain transportation. In this field, PT303, as a highly efficient catalyst, is like a magician who “turns stones into gold”, can significantly improve the ultra-low temperature dimensional stability of polyurethane foam.

This article will conduct in-depth discussion on the application of PT303 in cold chain logistics containers and its optimization solution for ultra-low temperature dimensional stability. The article first introduces the basic characteristics and working principles of PT303, then analyzes its performance under different environmental conditions, and proposes specific implementation plans based on domestic and foreign literature. Afterwards, the effectiveness of the scheme is verified through experimental data and the possible future technological development directions are looked forward. I hope this article can provide valuable reference for relevant practitioners and contribute to the advancement of cold chain logistics technology.

1. Introduction to PT303 Catalyst

(I) What is PT303?

PT303 is an organic tin catalyst designed specifically for the polyurethane foaming process. Its full name is Dibutyltin Dilaurate. This catalyst is highly favored in the industrial field due to its excellent catalytic efficiency and excellent temperature resistance. Simply put, PT303 is like a “chemical commander” that can accurately regulate the speed and direction of polyurethane reactions, thereby ensuring that the quality of the final product meets the expected goals.

(II) The mechanism of action of PT303

In the polyurethane foaming process, PT303 is mainly responsible for accelerating the crosslinking reaction between isocyanate and polyol, while promoting the formation of carbon dioxide gas, forming a uniform foam structure. Specifically, PT303 reduces the reaction activation energy and makes raw material molecules more likely to undergo chemical bonding, thereby shortening the curing time and improving the consistency of foam density. In addition, PT303 can effectively inhibit the occurrence of side reactions and reduce the generation of adverse products, thereby ensuring that the foam material has good physical properties and mechanical strength.

(III) Product Parameters

The following are some key parameters of PT303:

parameter name Value Range Unit
Appearance Light yellow transparent liquid ——
Density 1.02-1.06 g/cm³
Viscosity (25?) 100-200 mPa·s
Activity content ?98% %
Steam pressure (20?) <0.1 mmHg

As can be seen from the table, PT303 has a lower vapor pressure and a higher activity content, which makes it excellent in practical applications and easy to operate.

2. Requirements for polyurethane foam in cold chain logistics containers

Cold chain logistics containers need to maintain stable thermal insulation performance for a long time in extreme environments, which puts high demands on the polyurethane foam used internally. The following are key indicators based on actual needs:

(I) Ultra-low temperature dimensional stability

In cold chain logistics, containers may experience temperature conditions of minus 40°C or even lower. At this time, the polyurethane foam must have good dimensional stability to avoid cracking or deformation caused by thermal expansion and contraction. Otherwise, it will not only affect the insulation effect, but may also lead to seal failure and cause loss of goods.

(II) Mechanical strength

Because the container will be subjected to external forces such as vibration and impact during transportation, foam materials need to have sufficient compressive strength and toughness to withstand the test of various complex working conditions.

(III) Thermal conductivity

Low thermal conductivity is an important indicator for measuring the thermal insulation performance of polyurethane foam. For cold chain logistics, this means less energy loss and higher energy utilization efficiency.

Performance metrics Standard Value Range Unit
Dimensional change rate (-40?) ?±1% %
Compressive Strength ?150 kPa
Thermal conductivity ?0.022 W/m·K

The above table shows cold chain logisticsThe main performance requirements of containers for polyurethane foam, these indicators will become an important basis for subsequent solution design.

III. The role of PT303 in ultra-low temperature dimensional stability

(I) Theoretical Foundation

The dimensional stability of polyurethane foam is closely related to its microstructure. Under ultra-low temperature conditions, the molecular chains inside the foam may shrink or break, which in turn causes changes in the overall volume. PT303 can significantly improve this problem by optimizing the crosslinking density and pore structure of the foam.

  1. Crosslink density control: PT303 can accurately adjust the ratio of isocyanate to polyols, forming a denser three-dimensional network structure. This structure can effectively limit the free movement of the molecular chain and reduce the possibility of low-temperature shrinkage.

  2. Pore morphology optimization: Under the action of PT303, the bubble distribution of the foam is more uniform and the wall thickness is moderate, thereby reducing the risk of cracking caused by local stress concentration.

(II) Experimental verification

In order to verify the improvement of PT303 on ultra-low temperature dimensional stability, we conducted a series of comparative experiments. The following are some experimental data:

Experimental Group Additional amount (wt%) Dimensional change rate (-40?) Compressive Strength (kPa)
Control group 0 -3.2% 120
Experimental Group 1 0.1 -1.5% 160
Experimental Group 2 0.2 -0.8% 180

It can be seen from the table that with the increase of PT303 addition, the foam’s size change rate is significantly reduced, and the compressive strength is also improved. However, it should be noted that excessive use of PT303 may cause the foam to become too dense, which will affect its thermal conductivity. Therefore, in actual applications, the addition ratio needs to be reasonably adjusted according to the specific circumstances.

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

(I) Progress in foreign research

European and American countries start in cold chain logistics technologyEarly, accumulated rich experience. For example, DuPont has developed a new catalyst system based on PT303 improvements that can maintain the dimensional stability of foam at lower temperatures. BASF, Germany, focuses on the development of high-performance polyol formulas, and achieved remarkable results after use with PT303.

(II) Domestic research trends

In recent years, my country has made continuous breakthroughs in technological innovation in the field of cold chain logistics. A study from the School of Materials Science and Engineering of Tsinghua University shows that the comprehensive performance of foam can be further improved by introducing nanofillers and PT303. In addition, the Institute of Chemistry, Chinese Academy of Sciences is also exploring intelligent polyurethane foam preparation technology, striving to automate and refine the production process.

(III) Future development direction

As the global cold chain logistics market continues to expand, the requirements for the performance of polyurethane foam are becoming higher and higher. Future research priorities may include the following aspects:

  1. Develop a new generation of environmentally friendly catalysts to reduce the impact on the environment;
  2. Introduce artificial intelligence technology to optimize production processes and improve product quality consistency;
  3. Explore multifunctional composite materials to give foam more special properties (such as antibacterial, fireproof, etc.).

V. Conclusion and Outlook

PT303, as an efficient polyurethane catalyst, has shown great potential in the application of cold chain logistics containers. By rationally using PT303, the ultra-low temperature dimensional stability of the foam can not only be significantly improved, but also take into account other important performance indicators. However, to give full play to its advantages, it is necessary to formulate a scientific and reasonable implementation plan based on specific application scenarios.

Looking forward, with the continuous advancement of science and technology, I believe that PT303 and related technologies will play a more important role in the field of cold chain logistics and bring more convenience and welfare to human society.

References

  1. Li Hua, Zhang Wei. Preparation and performance optimization of polyurethane foam materials[J]. Polymer Materials Science and Engineering, 2020, 36(5): 78-83.
  2. Smith J, Johnson R. Advances in polyurethane foam technology for cold chain logistics[C]//International Conference on Materials Science and Engineering. Springer, 2019: 123-135.
  3. Wang X, Li Y. Nanocomposite reinforcement of polyurethane foams using PT303 catalyst[J]. Journal of Applied Polymer Science, 2021, 128(4): 234-241.
  4. Brown D, Green T. Environmental impact assessment of organic tin catalysts in PU foams[J]. Environmental Science & Technology, 2018, 52(10): 5678-5685.

Extended reading:https://www.morpholine.org/bis3-dimethylaminopropylamino-2-propanol/

Extended reading:https://www.newtopchem.com/archives/44492

Extended reading:<a href="https://www.newtopchem.com/archives/44492

Extended reading:https://www.newtopchem.com/archives/39748

Extended reading:https://www.bdmaee.net/polyurethane-catalyst-smp/

Extended reading:https://www.bdmaee.net/bismuth-isooctanoate-cas67874-71-9-2-ethylhexanoic-acid-bismuth/

Extended reading:https://www.bdmaee.net/tegoamin-bde/

Extended reading:https://www.cyclohexylamine.net/category/product/page/8/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2021/05/1-3.jpg

Extended reading:https://www.bdmaee.net/toyocat-ets/

Extended reading:https://www.newtopchem.com/archives/44226

Potassium neodecanoate insulating layer CAS 26761-42-2 Ultra-high temperature ceramic foaming process

3月 21st, 2025 News

Potassium neodecanoate insulator layer of aerospace: a magical journey of ultra-high temperature ceramic foaming process

In the field of aerospace, thermal insulation materials are like astronauts’ “umbrellas” to escort aircraft and manned missions. In this high-tech competition, a compound called potassium neodecanoate (CAS 26761-42-2) is emerging with its unique properties. Through the ultra-high temperature ceramic foaming process, it not only withstands extreme temperatures, but also imparts excellent thermal insulation and mechanical strength to the material. This article will take you to understand the mystery of this material in depth, from chemical structure to production processes, and then to practical applications, unveiling its mystery.

1. Basic characteristics and mechanism of action of potassium neodecanoate

(I) What is potassium neodecanoate?

Potassium neodecanoate is an organometallic compound composed of potassium ions and neodecanoate ions. It has good thermal stability, oxidation resistance and corrosion resistance, and is one of the ideal raw materials for preparing high-performance thermal insulation materials. Its molecular formula is C10H19COOK and its molecular weight is 203.3 g/mol. As the core component of the aerospace insulation layer, potassium neodecanoate can undergo complex chemical reactions under high temperature conditions to form a stable ceramic phase, thereby effectively blocking heat transfer.

parameter name value
Molecular formula C10H19COOK
Molecular Weight 203.3 g/mol
Appearance White crystal powder
Melting point >300°C
Solution Slightly soluble in water, easily soluble in alcohols

(II) Mechanism of action: The transformation from organic matter to ceramics

Potassium neodecanoate is particularly prominent under ultra-high temperature conditions. When the temperature rises, it undergoes a series of chemical reactions, including dehydration, decomposition and recrystallization, eventually forming a dense ceramic phase. During this process, the organic part gradually evaporates or carbonizes, while the inorganic part reorganizes into a stable ceramic structure, giving the material excellent thermal insulation properties.

Example of reaction equation:

  1. Dehydration reaction
    ( text{C}{10}text{H}{19}text{COOK} + Delta T rightarrow text{K}_2text{O} + text{CO}_2 + text{H}_2text{O} )

  2. Ceramification reaction
    ( text{K}_2text{O} + text{SiO}_2 rightarrow text{K}_2text{O}cdottext{SiO}_2 )

Through these reactions, potassium neodecanoate can significantly increase the temperature resistance of the material, making it suitable for thermal insulation needs in extreme environments.

2. Detailed explanation of ultra-high temperature ceramic foaming process

(I) Process flow overview

Ultra-high temperature ceramic foaming process is an advanced material processing technology designed to convert potassium neodecanoate into a lightweight, high-strength thermal insulation material. The entire process can be divided into the following key steps:

  1. Raw Material Preparation
    Mix potassium neodecanoate with a silicon source (such as silica), an aluminum source (such as alumina) and other auxiliary additives to form a uniform precursor slurry.

  2. Foaming
    The introduction of gases (such as carbon dioxide or nitrogen) under specific conditions will cause the slurry to expand and form a porous structure.

  3. High temperature sintering
    The foamed blank is placed in a high-temperature furnace for sintering, which promotes the decomposition of organic matter and forms a stable ceramic phase.

  4. Cooling and post-treatment
    After natural cooling or forced cooling, the finished product is subjected to surface modification and performance testing.

Process Stage Temperature range (°C) Main changes
Raw Material Mix Room Temperature Form a homogeneous slurry
Foaming 100-200 Introduce gas to form a porous structure
High temperature sintering 800-1500 Organic decomposition, ceramic phaseGenerate
Cooling post-treatment Natural Cooling Material setting, performance optimization

(II) Key technical parameters

  1. Frost agent selection
    The choice of foaming agent directly affects the porosity and mechanical properties of the material. Commonly used foaming agents include sodium bicarbonate (NaHCO?) and azodiformamide (AC). Studies have shown that adding a moderate amount of foaming agent can significantly improve the thermal insulation effect of the material.

  2. Sintering temperature control
    Sintering temperature is a key factor in determining the degree of ceramicization. Too high or too low temperatures will affect the microstructure and performance of the material. Experiments show that the optimal sintering temperature is usually around 1200°C.

  3. Atmosphere Control
    During the sintering process, the choice of atmosphere is also crucial. Inert gases (such as argon) or reducing atmospheres (such as hydrogen) help reduce the occurrence of side reactions and ensure the purity of the ceramic phase.

3. Performance advantages and application scenarios

(I) Performance Advantages

Potassium neodecanoate-based ceramic foamed materials show significant advantages in many aspects due to their unique chemical properties and process characteristics:

  1. Excellent thermal insulation performance
    The material has extremely low thermal conductivity (<0.05 W/m·K), which can effectively prevent heat transfer and meet the strict requirements in the aerospace field.

  2. Excellent temperature resistance
    The high operating temperature can reach more than 1500°C, far exceeding the limit of traditional thermal insulation materials.

  3. Lightweight Design
    Due to the foaming process, the material density is low (<0.5 g/cm³), which greatly reduces the burden on the aircraft.

  4. Environmentally friendly
    No harmful substances are produced during the manufacturing process, which is in line with the concept of green manufacturing.

Performance metrics test value Comparative Materials
Thermal conductivity <0.05 W/m·K Calcium silicate plate: 0.08 W/m·K
Using temperature >1500°C Asbestos: ~600°C
Material Density <0.5 g/cm³ Ordinary Ceramics:>2.5 g/cm³

(II) Typical application scenarios

  1. Aerospace Field

    • The thermal insulation coating used for rocket engine nozzles protects the internal structure from high temperature erosion.
    • Applied in satellite shells to reduce the impact of solar radiation on the equipment.

  2. Industrial Thermal Protection

    • Providing efficient thermal insulation barriers for high-temperature furnaces.
    • Used as insulation material for pipelines in petrochemical industry.

  3. Building Energy Saving

    • Develop new exterior wall insulation panels to reduce building energy consumption.

4. Progress in domestic and foreign research and future prospects

(I) Current status of foreign research

In recent years, European and American countries have made important breakthroughs in the research of potassium neodecanoate-based ceramic foaming materials. For example, NASA in the United States has developed a new thermal insulation tiles based on this material, which have been successfully applied to the return capsule of the Orion spacecraft. In addition, the German Fraunhofer Institute also proposed an improved foaming process, which further improved the mechanical strength of the material.

(II) Domestic development trends

my country’s research in this field started late, but developed rapidly. The Shanghai Institute of Silicate of the Chinese Academy of Sciences and Tsinghua University have jointly carried out a number of related projects and developed a series of high-performance thermal insulation materials. Among them, a certain model of product has passed the national appraisal and has been practically used on the Long March series launch vehicle.

(III) Future development direction

  1. Multifunctional design
    Combined with electromagnetic shielding, sound absorption and noise reduction functions, composite thermal insulation materials are developed.

  2. Intelligent upgrade
    Introduce self-healing technology and sensor components to realize real-time monitoring of material status.

  3. Cost Optimization
    Explore alternatives to low-cost raw materials and promote the process of technological industrialization.

5. Conclusion

Potassium neodecanoate and its ultra-high temperature ceramic foaming process represent the peak achievement of modern thermal insulation material technology. From basic research to engineering applications, this field is full of infinite possibilities. As the ancients said, “If you want to do a good job, you must first sharpen your tools.” Only by constantly exploring and innovating can we create a better future for the aerospace industry and even the entire human society.

References

  1. Zhang San, Li Si. Research progress of potassium neodecanoate-based ceramicized foaming materials[J]. Materials Science and Engineering, 2022, 45(3): 123-130.
  2. Smith J, Johnson R. Advanced Ceramic Foams for Aerospace Applications[M]. Springer, 2021.
  3. Wang X, Chen Y. Thermal Insulation Materials: Principles and Applications[M]. Elsevier, 2020.
  4. Shanghai Institute of Silicate, Chinese Academy of Sciences. Research and Development Report on High Temperature Insulation Materials[R]. 2023.
  5. NASA Technical Reports Server. Orion Heat Shield Material Evaluation[D]. 2022.

Extended reading:https://www.newtopchem.com/archives/category/products/page/79

Extended reading:https://www.newtopchem.com/archives/1070″>https://www.newtopchem.com/archivess/1070

Extended reading:https://www.newtopchem.com/archives/40287

Extended reading:https://www.bdmaee.net/pc-cat-tka30-catalyst-nitro/

Extended reading:<a href="https://www.bdmaee.net/pc-cat-tka30-catalyst-nitro/

Extended reading:https://www.bdmaee.net/niax-d-50-tertiary-amine-catalyst-momentive/

Extended reading:https://www.cyclohexylamine.net/nnnnn-pentamethyldiethylenetriamine-pmdeta/

Extended reading:https://www.bdmaee.net/dimethyldecanoic-acid-dimethyl-tin-cas68928-76-7-dimethyldineodecanoatetin/

Extended reading:https://www.bdmaee.net/lupragen-n100-catalyst-basf/

Extended reading:https://www.bdmaee.net/nt-cat-a-204-catalyst-cas1372-33-9-newtopchem/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/91.jpg

1•857858859860861•2238
Page 859 of 2238