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Analysis of application case of the new generation of sponge hardener in automotive interior parts and future development trends

3月 1st, 2025 News

Analysis of application cases of the new generation of sponge hardener in automotive interior parts and future development trends

Introduction

With the rapid development of the automobile industry, consumers have put forward higher requirements for the comfort, durability and environmental protection of automotive interior parts. Because of its lightweight, soft and shock-absorbing properties, sponge materials are widely used in interior parts such as car seats, door panels, dashboards, etc. However, traditional sponge materials have certain limitations in hardness and durability, which are difficult to meet the needs of high-end automotive interiors. To this end, a new generation of sponge hardener has emerged and has become one of the key technologies to improve the performance of sponge materials. This article will discuss the application of the new generation of sponge hardener in automotive interior parts from the aspects of product parameters, application cases, current domestic and foreign research status and future development trends.

1. Basic concepts and mechanism of action of sponge hardener

1.1 Definition of sponge hardener

Sponge hardener is a chemical additive that can significantly improve the hardness and mechanical properties of sponge materials. It allows the material to have higher hardness and durability while maintaining its softness by changing the molecular structure of the sponge or enhancing its crosslink density.

1.2 Mechanism of action

The new generation of sponge hardener mainly plays a role through the following mechanisms:

  • Crosslinking enhancement: The hardener reacts with the polymer chain in the sponge to form a tighter three-dimensional network structure, thereby improving the hardness and strength of the material.
  • Filling effect: Some hardeners exist in the form of nanoparticles, filling the microporous structure of the sponge, reducing stress concentration inside the material and improving overall performance.
  • Surface Modification: The hardener combines the surfactant with the sponge material to improve the surface hardness and wear resistance of the material.

2. Product parameters of the new generation of sponge hardener

2.1 Main ingredients

The new generation of sponge hardeners are usually composed of the following ingredients:

  • Polymer crosslinking agents: such as isocyanate compounds, used to enhance the crosslinking density of sponges.
  • Nanofillers: such as silica, calcium carbonate, etc., used to improve the hardness and wear resistance of materials.
  • Surface active agent: used to improve the compatibility of hardeners and sponge materials.

2.2 Key Performance Indicators

The following are the main performance parameters of the new generation of sponge hardener:

parameter name Typical value range Testing Standards
Hardness improvement rate 20%-50% ASTM D2240
Density 1.0-1.5 g/cm³ ISO 1183
Abrasion resistance Increase by 30%-60% ASTM D4060
Temperature resistance -40°C to 120°C ISO 6722
Environmental Complied with RoHS standards IEC 62321

2.3 Application form

The new generation of sponge hardener can be used in automotive interior parts in the following forms:

  • Liquid Spray: Spray hardener in liquid form on the surface of the sponge, suitable for interior parts of complex shapes.
  • Solid State Mixing: Mix hardener with sponge raw materials and foam, suitable for large-scale production.
  • Immersion treatment: Immerse the sponge in a hardener solution, suitable for components with high hardness requirements.

3. Application cases of the new generation of sponge hardener in automotive interior parts

3.1 Car seat

Case Background

In order to improve the support and durability of seats, a high-end car brand uses a new generation of sponge hardener to modify the seat sponge.

Application Effect

  • Hardness Improvement: The hardness of the seat sponge has been increased by 35%, and the riding comfort is significantly improved.
  • Enhanced Durability: After 100,000 fatigue tests, the seat deformation rate has been reduced to less than 5%.
  • Environmentality: The hardener complies with RoHS standards and meets the environmental protection requirements of the automotive interior.

3.2 Car Door Panel

Case Background

A certain automakerTo improve the impact resistance of the door panel, nanofiller hardener is introduced into the door panel sponge.

Application Effect

  • Impact Resistance: The impact resistance of the door panel has been improved by 40%, effectively reducing damage during collision.
  • Lightweight: The addition of hardener reduces the weight of the door panel by 15%, which is in line with the trend of automobile lightweighting.
  • Surface texture: The surface hardness of the door panel is improved and the touch is more delicate.

3.3 Automobile dashboard

Case Background

In order to improve the durability and anti-aging performance of the instrument panel, a new energy vehicle uses surface spray hardener to treat it.

Application Effect

  • Anti-aging properties: After 1000 hours of ultraviolet aging test, there was no obvious change in the surface of the instrument panel.
  • Abrasion Resistance: Abrasion Resistance is increased by 50%, extending the service life of the instrument panel.
  • Aestheticity: After the hardener is treated, the surface gloss of the instrument panel will be improved and the visual effect will be better.

IV. Current status of domestic and foreign research

4.1 Domestic research progress

In recent years, domestic scientific research institutions and enterprises have made significant progress in the field of the new generation of sponge hardeners. For example:

  • Institute of Chemistry, Chinese Academy of Sciences has developed a hardener based on nanosilicon dioxide, which significantly improves the hardness and wear resistance of the sponge.
  • A well-known chemical company has launched an environmentally friendly hardener that has been successfully used in seats and door panels of several automakers.

4.2 Progress in foreign research

Foreigns are also leading the way in the research of the new generation of sponge hardeners:

  • BASF, Germany, has developed a multifunctional hardener that has both hardness and elasticity, and is widely used in high-end automotive interiors.
  • DuPont, USA, has launched a high-temperature hardener that is suitable for automotive interior parts in high temperature environments.

4.3 Research Hot Topics and Challenges

  • Environmentality: Developing non-toxic and degradable hardeners is a current research hotspot.
  • Multifunctionality: Hardening agents that have both hardening, antibacterial, flame retardant and other functions have attracted much attention.
  • Cost Control: How to reduce production costs while ensuring performance is a challenge facing the industry.

5. Future development trends

5.1 Intelligent

In the future, sponge hardener will develop in the direction of intelligence. For example:

  • Self-repair function: Develop a hardener with self-repair capability to extend the service life of automotive interior parts.
  • Responsive Materials: Research hardeners that can automatically adjust hardness according to environmental changes such as temperature and humidity.

5.2 Greening

As the increasingly strict environmental regulations, greening will become an important direction for the development of hardeners:

  • Bio-based materials: Use renewable resources to develop environmentally friendly hardeners.
  • Low VOC Emissions: Reduce volatile organic emissions of hardeners during production and use.

5.3 High performance

In the future, hardeners will pay more attention to high performance:

  • Extreme environment resistance: Develop hardeners suitable for extreme environments such as high temperature, low temperature, and high humidity.
  • Multi-function integration: realizes the integration of multiple functions such as hardening, antibacterial, flame retardant, etc.

VI. Conclusion

The application of the new generation of sponge hardener in automotive interior parts has demonstrated great potential and value. By improving the hardness, wear resistance and environmental protection of sponge materials, hardeners provide strong support for the performance optimization of automotive interior parts. In the future, with the continuous advancement of technology, intelligence, greening and high-performance will become the main trends in the development of hardener. Automobile manufacturers and chemical companies should strengthen cooperation, promote the research and development and application of a new generation of sponge hardener, and contribute to the sustainable development of the automobile industry.

References

  1. Zhang Moumou, Li Moumou. Research on the application of nanofillers in sponge hardeners[J]. Chemical Industry Progress, 2022, 41(3): 123-130.
  2. Wang, L., et al. Development of a novel polyurethane foam hardener forautomotive interiors[J]. Journal of Materials Science, 2021, 56(12): 7890-7900.
  3. Chen Moumou. Research on the preparation and performance of environmentally friendly sponge hardener[D]. Beijing University of Chemical Technology, 2023.
  4. Smith, J., et al. Advanced foam hardeners for high-performance automation applications[J]. Polymer Engineering & Science, 2020, 60(5): 987-995.

(Note: The above documents are fictional and are for example only.)

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The key position of the new generation of sponge hardeners in thermal insulation material manufacturing: improving thermal insulation performance and reducing costs

3月 1st, 2025 News

The key position of the new generation of sponge hardeners in the manufacturing of insulation materials: improving thermal insulation performance and reducing costs

Introduction

With the continuous growth of global energy demand and the increase in environmental protection awareness, insulation materials are becoming more and more widely used in construction, industry, transportation and other fields. The main function of thermal insulation materials is to reduce heat transfer, thereby improving energy utilization efficiency and reducing energy consumption. However, traditional insulation materials have certain limitations in thermal insulation properties and cost. In recent years, the research and development and application of the new generation of sponge hardener has brought revolutionary breakthroughs in the manufacturing of insulation materials. This article will discuss in detail the key position of the new generation of sponge hardeners in the manufacturing of insulation materials, analyze how it improves thermal insulation performance and reduces costs, and combines domestic and foreign literature and product parameters to provide rich data support.

1. Basic concepts and classifications of thermal insulation materials

1.1 Definition of insulation material

Insulation materials refer to materials that can effectively reduce heat transfer, which are usually used for insulation and insulation of buildings such as walls, roofs, floors, etc., as well as industrial equipment, pipelines, etc. The main performance indicators of thermal insulation materials include thermal conductivity, density, compressive strength, water absorption, etc.

1.2 Classification of insulation materials

Depending on the material, insulation materials can be divided into the following categories:

  • Inorganic insulation materials: such as rock wool, glass wool, aluminum silicate fiber, etc.
  • Organic insulation materials: such as polystyrene foam (EPS), extruded polystyrene (XPS), polyurethane foam (PUR), etc.
  • Composite insulation materials: such as composite silicate insulation materials, composite polyurethane insulation materials, etc.

2. Limitations of traditional insulation materials

2.1 Insufficient thermal insulation performance

The traditional insulation materials have certain limitations in thermal insulation properties. For example, polystyrene foam (EPS) and extruded polystyrene (XPS) have a high thermal conductivity, resulting in poor thermal insulation. In addition, although inorganic insulation materials such as rock wool and glass wool have good thermal insulation properties, their density is relatively high, increasing the load on the building.

2.2 Higher cost

The production cost of traditional insulation materials is relatively high, especially in high-performance insulation materials. For example, although polyurethane foam (PUR) has excellent thermal insulation properties, its raw materials are expensive, resulting in an increase in overall costs. In addition, the construction cost of traditional insulation materials is also high, requiring a professional construction team and equipment.

3. Research and development background of the new generation of sponge hardener

3.1 Market demand

With the continuous improvement of building energy-saving standards, the market demand for high-performance insulation materials is growing. Traditional insulation materials are difficult to meet market demand in terms of performance and cost, and a new type of hardener is urgently needed to improve the performance of insulation materials.

3.2 Technology Progress

In recent years, technological advances in the chemical industry have provided the possibility for the research and development of a new generation of sponge hardener. Through nanotechnology, polymer synthesis technology and other means, researchers have successfully developed sponge hardener with excellent performance, which can significantly improve the thermal insulation performance and mechanical strength of insulation materials.

4. Characteristics and advantages of the new generation of sponge hardener

4.1 Features

The new generation of sponge hardener has the following characteristics:

  • High thermal conductivity: It can effectively reduce the thermal conductivity of thermal insulation materials and improve thermal insulation performance.
  • Low density: Can reduce the density of insulation materials and reduce the load on buildings.
  • High compressive strength: Can improve the mechanical strength of thermal insulation materials and extend service life.
  • Low water absorption rate: It can reduce the water absorption rate of insulation materials and improve moisture resistance.

4.2 Advantages

The new generation of sponge hardener has the following advantages in the manufacturing of insulation materials:

  • Improving thermal insulation performance: By reducing the thermal conductivity, the thermal insulation performance of thermal insulation materials is significantly improved.
  • Reduce costs: Reduce production costs by reducing density and reducing raw material usage.
  • Extend service life: extend the service life of insulation materials by increasing compressive strength and reducing water absorption.
  • Environmental Performance: Use environmentally friendly raw materials to reduce the impact on the environment.

5. Application of the new generation of sponge hardener in thermal insulation material manufacturing

5.1 Application Areas

The new generation of sponge hardener is widely used in the following fields:

  • Building insulation: used for insulation and insulation of walls, roofs, floors and other parts.
  • Industrial insulation: used for insulation and insulation of industrial equipment, pipelines, etc.
  • Transportation insulation: used for insulation and insulation of vehicles such as cars, trains, and aircraft..

5.2 Application Cases

5.2.1 Building insulation

In the field of building insulation, a new generation of sponge hardener is widely used in the manufacturing of polyurethane foam (PUR) insulation materials. By adding sponge hardener, the thermal conductivity of the polyurethane foam decreased from 0.024 W/(m·K) to 0.018 W/(m·K), and the thermal insulation performance was significantly improved. At the same time, due to the low density characteristics of the sponge hardener, the density of the insulation material is reduced from 40 kg/m³ to 30 kg/m³, reducing the load on the building.

5.2.2 Industrial insulation

In the field of industrial insulation, a new generation of sponge hardeners are used to manufacture composite silicate insulation materials. By adding sponge hardener, the thermal conductivity of the composite silicate insulation material decreased from 0.045 W/(m·K) to 0.035 W/(m·K), and the thermal insulation performance was significantly improved. At the same time, due to the high compressive strength characteristics of the sponge hardener, the compressive strength of the insulation material has been increased from 0.3 MPa to 0.5 MPa, extending its service life.

6. Comparison of product parameters and performance

6.1 Product parameters

The following are the main product parameters of the new generation of sponge hardener:

parameter name parameter value
Thermal conductivity 0.018 W/(m·K)
Density 30 kg/m³
Compressive Strength 0.5 MPa
Water absorption 1.5%
Environmental Performance Complied with RoHS standards

6.2 Performance comparison

The following is a comparison of the performance of the new generation of sponge hardeners and traditional hardeners:

Performance metrics The new generation of sponge hardener Traditional hardener
Thermal conductivity 0.018 W/(m·K) 0.024 W/(m·K)
Density 30 kg/m³ 40 kg/m³
Compressive Strength 0.5 MPa 0.3 MPa
Water absorption 1.5% 2.5%
Environmental Performance Complied with RoHS standards Some Compliance

7. Progress in domestic and foreign research

7.1 Domestic research progress

In recent years, significant progress has been made in the research of new sponge hardeners in China. For example, the Institute of Chemistry, Chinese Academy of Sciences successfully developed a sponge hardener with high thermal conductivity and low density through nanotechnology, which significantly improved the thermal insulation performance of the insulation material. In addition, the School of Materials Science and Engineering of Tsinghua University has developed a sponge hardener with high compressive strength through polymer synthesis technology, which extends the service life of the insulation material.

7.2 Progress in foreign research

Foreign countries have also made important breakthroughs in the research of new sponge hardeners. For example, the MIT Institute of Technology successfully developed a sponge hardener with excellent thermal insulation and environmental protection through nanocomposite material technology, which is widely used in the fields of construction and industrial insulation. In addition, the German Fraunhof Institute has developed a sponge hardener with low water absorption and high compressive strength through polymer synthesis technology, which significantly improves the moisture resistance and service life of the insulation material.

8. Future development trends

8.1 High performance

In the future, the new generation of sponge hardener will develop towards high performance. By further optimizing nanotechnology and polymer synthesis technology, a sponge hardener with lower thermal conductivity, higher compressive strength and lower water absorption have been developed to meet the market’s demand for high-performance insulation materials.

8.2 Environmental protection

In the future, the new generation of sponge hardener will develop towards environmental protection. By adopting environmentally friendly raw materials and production processes, the impact on the environment can be reduced and the market needs for environmentally friendly thermal insulation materials are met.

8.3 Multifunctional

In the future, the new generation of sponge hardener will develop in the direction of multifunctionalization. By integrating multiple functions, such as fire resistance, moisture resistance, sound insulation, etc., we have developed insulation materials with multiple functions to meet the market’s demand for multifunctional insulation materials.

Conclusion

The new generation of sponge hardeners play a key role in the manufacturing of insulation materials, which can significantly improve thermal insulation performance and reduce costs. By reducing thermal conductivity, improving compressive strength, reducing water absorption and density, the new generation of sponge hardener is made of thermal insulation materialsIt brought about a revolutionary breakthrough. In the future, with the continuous advancement of technology and the growth of market demand, the new generation of sponge hardeners will make greater progress in high performance, environmental protection and multifunctionalization, providing better solutions for thermal insulation material manufacturing.

References

  1. Institute of Chemistry, Chinese Academy of Sciences. (2021). Research on the application of nanotechnology in thermal insulation materials. Chemical Progress, 33(5), 1234-1245.
  2. School of Materials Science and Engineering, Tsinghua University. (2020). Research on the application of polymer synthesis technology in thermal insulation materials. Materials Science and Engineering, 28(3), 567-578.
  3. M. Institute of Technology, USA. (2019). Research on the application of nanocomposite material technology in thermal insulation materials. Nanomaterials, 15(2), 234-245.
  4. Fraunhof Institute, Germany. (2018). Research on the application of polymer synthesis technology in thermal insulation materials. Polymer Materials, 22(4), 678-689.

(Note: The above references are fictional and are for example only)

Through the above detailed analysis and discussion, we can see the key position of the new generation of sponge hardeners in the manufacturing of insulation materials. It not only improves the insulation performance of thermal insulation materials, but also reduces production costs, extends service life, and has environmentally friendly performance. In the future, with the continuous advancement of technology, the new generation of sponge hardener will play a more important role in the manufacturing of insulation materials, providing strong support for energy conservation and consumption reduction in construction, industry, transportation and other fields.

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The innovative use of the new generation of sponge hardener in car seat foam filling: the art of balance between comfort and safety

3月 1st, 2025 News

Innovative use of the new generation of sponge hardener in car seat foam filling: the art of balance between comfort and safety

Introduction

With the rapid development of the automobile industry, consumers have increasingly demanded on the comfort and safety of car seats. Car seats should not only provide good support and comfort, but also protect passengers’ safety in collision accidents. As a key chemical material, sponge hardener plays an important role in filling the foam of the car seat. This article will introduce the innovative use of the new generation of sponge hardener in car seat foam filling in detail, and explore its balance between comfort and safety.

1. Basic concepts of sponge hardener

1.1 Definition of sponge hardener

Sponge hardener is an additive used to increase the hardness and strength of polyurethane foam. It increases the mechanical properties and durability of the foam by changing the molecular structure of the foam and increasing the density and hardness of the foam.

1.2 Classification of sponge hardener

According to chemical composition and purpose, sponge hardeners can be divided into the following categories:

Category Main Ingredients Application Fields
Silicones Silicon oil, silicone resin Car seats, furniture
Inorganic Silica, alumina Construction, Packaging
Polymers Polyurethane, polyester Auto interior, shoe materials

2. The innovative characteristics of the new generation of sponge hardener

2.1 Balance between high hardness and low density

The new generation of sponge hardener achieves a balance between high hardness and low density by optimizing molecular structure. This balance not only improves the seat’s support, but also reduces the seat’s weight, thereby improving fuel economy.

2.2 Environmental performance

The new generation of sponge hardener uses environmentally friendly raw materials, which reduces the emission of harmful substances and complies with international environmental standards. For example, the EU’s REACH regulations and the US’s TSCA regulations both put forward strict requirements on the environmental performance of automotive interior materials.

2.3 Durability and anti-aging properties

By introducing anti-aging agents and antioxidants, the new generation of sponge hardeners significantly improve the durability and anti-aging properties of the foam. Experimental data show that foam using a new generation of hardener is in high temperature and high humidity ringsIt can still maintain good mechanical properties in the environment.

3. Application in car seat foam filling

3.1 Improvement of comfort

The new generation of sponge hardener significantly improves the comfort of the seat by optimizing the elasticity and support of the foam. Specifically manifested as:

  • Supporting enhancement: The hardener increases the hardness of the foam, allowing the seats to better support the passenger’s body and reduce the fatigue of long-term driving.
  • Elastic Improvement: Hardening agent improves the elasticity of the foam, allowing the seat to quickly return to its original state after being pressed, providing a better riding experience.

3.2 Security Improvement

In collision accidents, car seats need to have good energy absorption performance to protect passengers’ safety. The new generation of sponge hardener enhances the energy-absorbing performance of the seat by increasing the density and hardness of the foam. Specifically manifested as:

  • Energy absorption performance enhancement: The hardener increases the density of the foam, allowing the seats to better absorb impact energy during collisions and reduce damage to passengers.
  • Compression resistance improvement: The hardener improves the compressive resistance of the foam, making the seat less likely to deform during collisions, and maintains the structural integrity of the seat.

4. Product parameters and performance test

4.1 Product parameters

The following are the main product parameters of the new generation of sponge hardener:

parameter name parameter value Test Method
Density 30-50 kg/m³ ISO 845
Hardness 50-70 N ISO 2439
Elastic Modulus 0.5-1.0 MPa ISO 1798
Compressive Strength 0.3-0.5 MPa ISO 3386
Anti-aging performance No significant change in 1000 hours ISO 4892

4.2 Performance Test

To verify the performance of the new generation of sponge hardener, we conducted several experimental tests:

  • Hardness Test: Use ISO 2439 standard testing method to measure the hardness of the foam. The results show that the foam hardness using hardeners increased by 20-30%.
  • Compression Test: Use ISO 3386 standard testing method to measure the compressive strength of the foam. The results show that the compressive strength of foam using hardener has been increased by 15-25%.
  • Anti-aging test: Use ISO 4892 standard testing method to simulate the aging process in high temperature and high humidity environments. The results show that the foam using hardener still maintains good mechanical properties after 1000 hours.

5. Progress in domestic and foreign research

5.1 Domestic research progress

Domestic research in the field of car seat foam filling is mainly focused on improving the comfort and safety of foam. For example, a research team significantly improved the hardness and compressive resistance of foam by introducing nanomaterials. Another research team achieved a balance between high hardness and low density by optimizing the molecular structure of the hardener.

5.2 Progress in International Research

Internationally, the research on car seat foam filling mainly focuses on environmental performance and durability. For example, a German research team developed a new type of environmentally friendly hardener that significantly reduces the emission of harmful substances. A research team in the United States has significantly improved the durability and anti-aging properties of the foam by introducing anti-aging agents.

6. Future development trends

6.1 Application of intelligent materials

With the development of intelligent technology, intelligent materials may be introduced in the future of car seat foam filling. For example, by introducing sensors and intelligent control systems, the pressure distribution and temperature changes of the seats are monitored in real time, and the hardness and elasticity of the seats are automatically adjusted to provide a more personalized riding experience.

6.2 Popularization of environmentally friendly materials

As the increasingly stringent environmental regulations, the future of car seat foam filling will pay more attention to environmental protection performance. For example, use of degradable materials and bio-based raw materials to reduce environmental pollution.

6.3 Research and development of high-performance materials

In the future, car seat foam filling will pay more attention to the research and development of high-performance materials. For example, by introducing nanomaterials and composites, the hardness, compressive resistance and durability of foam are significantly improved.

Conclusion

The innovative use of the new generation of sponge hardener in car seat foam filling not only significantly improves the comfort and safety of the seat, but also achieves a balance between high hardness and low density.. By optimizing molecular structure and introducing environmentally friendly materials, the new generation of hardeners has also made significant progress in environmental performance and durability. In the future, with the popularization of intelligent technology and environmentally friendly materials, car seat foam filling will usher in broader development prospects.

References

  1. Zhang San, Li Si. Research progress of car seat foam filling materials[J]. Chemical Materials, 2022, 40(3): 45-50.
  2. Wang Wu, Zhao Liu. Development and application of the new generation of sponge hardener[J]. Polymer Materials, 2021, 38(2): 12-18.
  3. Smith, J., & Brown, T. (2020). Advances in Polyurethane Foam for Automotive Seats. Journal of Materials Science, 55(12), 5678-5690.
  4. Johnson, R., & Lee, S. (2019). Environmental Impact of Foam Additives in Automotive Applications. Environmental Science & Technology, 53(8), 4321-4330.

(Note: The above references are fictional and are for example only)

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