A high thermal conductivity and high elasticity acrylate rubber

An acrylate, high-elasticity technology, applied in the field of acrylate rubber, can solve problems such as difficult to achieve long-term use, and achieve the effect of improving high temperature resistance, high thermal conductivity, and good weighing effect

Inactive Publication Date: 2018-06-01
深圳市科士华电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When acrylic rubber is used as a load-bearing structural gasket under high temperature conditions, it has very high requirements for heat resistance, thermal conductivity, and elasticity. Existing products are difficult to achieve long-term use and need to be replaced frequently

Method used

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  • A high thermal conductivity and high elasticity acrylate rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high thermal conductivity and high elasticity acrylate rubber, which is composed of 100 parts by weight of comb-shaped acrylate rubber of side chain grafted polyester resin, 40 parts by weight of elastomer SEBS, 6 parts by weight of compatibilizer, 7 parts by weight of plasticizer, 25 parts by weight of toughening agent polyester resin grafted polyurethane nano microspheres, 4 parts by weight of coupling agent, 2 parts by weight of vulcanizing agent, 2 parts by weight of pigment and 50 parts by weight of composite filler, wherein the comb type of side chain grafted polyester resin The polycarbonate segment in the acrylate rubber accounts for 30% of the total polyester resin mass, and the composite filler is silver nanowire-filled carbon nanotube and spherical aluminum oxide at a weight ratio of 4:1.

[0021] After the components are mixed evenly, it can be used after vulcanization. Highly thermally conductive and highly elastic acrylic rubber molded into circular gask...

Embodiment 2

[0023] A high thermal conductivity and high elasticity acrylate rubber, which is composed of 100 parts by weight of comb-shaped acrylate rubber of side chain grafted polyester resin, 30 parts by weight of elastomer SEBS, 5 parts by weight of compatibilizer, 6 parts by weight of plasticizer, 30 parts by weight of toughening agent polyester resin grafted polyurethane nano microspheres, 3 parts by weight of coupling agent, 3 parts by weight of vulcanizing agent, 1 part by weight of pigment and 60 parts by weight of composite filler, wherein the comb type of side chain grafted polyester resin The polycarbonate segment in the acrylate rubber accounts for 50% of the total polyester resin mass, and the composite filler is silver nanowire-filled carbon nanotube and spherical aluminum oxide at a weight ratio of 4:1.

[0024] After the components are mixed evenly, it can be used after vulcanization. Highly thermally conductive and highly elastic acrylic rubber molded into circular gaske...

Embodiment 3

[0026] In Example 1, the comb-shaped acrylate rubber of side chain grafted polyester resin was replaced by the comb-shaped acrylate rubber of side chain grafted polyester resin without polycarbonate segment.

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PUM

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Abstract

The invention relates to an acrylate rubber with high thermal conductivity and high elasticity. The acrylate rubber has good high thermal conductivity, heat resistance and elasticity and can meet the demand of serving as a washer in a high-temperature and loading machine. The acrylate rubber is prepared from the following components: 100 weight parts of comb-type acrylate rubber, 20 to 40 weight parts of elastomer, 3 to 6 weight parts of compatilizer, 2 to 8 weight parts of plasticizer, 15 to 35 weight parts of toughening agent, 3 to 5 weight parts of coupling agent, 1 to 3 weight parts of vulcanizing agent, 0 to 5 weight parts of pigment and 36 to 80 weight parts of composite filler. The acrylate rubber disclosed by the invention is novel in action mechanism and excellent in overall performance of a product, and existing practical service demand can be met.

Description

technical field [0001] The invention relates to an acrylic rubber, in particular to an acrylic rubber with high thermal conductivity and high elasticity. Background technique [0002] Acrylate rubber refers to an elastomer obtained by copolymerization of acrylate as the main monomer. Its main chain is a saturated carbon chain and its side groups are polar ester groups. It has excellent heat resistance, aging resistance, oil resistance, and Ozone, anti-ultraviolet and other properties, mechanical properties and processing properties are superior to fluororubber and silicone rubber, and its heat resistance, aging resistance and oil resistance are superior to nitrile rubber, and it is widely used in various high temperature and oil resistant environments. [0003] When acrylic rubber is used as a load-bearing structural gasket under high temperature conditions, there are very high requirements for its heat resistance, thermal conductivity, and elasticity. Existing products are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L33/04C08L53/02C08L75/04C08K13/04C08K7/06C08K7/24C08K7/18C08K5/17C08K5/544
CPCC08K2201/011C08L33/04C08L87/005C08L2201/08C08L2205/03C08L53/025C08L75/04C08K13/04C08K7/06C08K7/24C08K7/18C08K5/17C08K5/544
Inventor 马晓均柯晓东
Owner 深圳市科士华电子科技有限公司
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