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Silicone rubber insulating material for engine

A technology of thermal insulation material and silicone rubber, which is applied in the field of thermal insulation materials and silicone rubber thermal insulation materials for engines, can solve problems such as unsatisfactory performance of thermal protection materials, and achieve the effect of strong resistance to small molecule migration and good elasticity

Inactive Publication Date: 2018-03-30
徐州艾梅尼克工程机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of existing thermal protection materials is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Silicone rubber thermal insulation material for engines, including the following components in parts by weight: 100 parts of methyl vinyl silicone rubber, 1 part of hydroxyl-terminated polydimethylsiloxane, 15 parts of dimethyldiethoxysilane, chopped 10 parts of fiber, 7 parts of double horse resin, 1 part of zirconium boride, 6 parts of dibenzoyl peroxide, 2 parts of polycarbonate magnesium slag complex, 7 parts of silazane, 2 parts of hafnium dioxide, 3 parts of vulcanizing agent share.

Embodiment 2

[0013] Silicone rubber thermal insulation material for engines, including the following components in parts by weight: 100 parts of methyl vinyl silicone rubber, 6 parts of hydroxyl-terminated polydimethylsiloxane, 3 parts of dimethyldiethoxysilane, chopped 16 parts of fiber, 2 parts of double horse resin, 3 parts of zirconium boride, 1 part of dibenzoyl peroxide, 10 parts of polycarbonate magnesium slag complex, 3 parts of silazane, 5 parts of hafnium dioxide, 0.1 parts of vulcanizing agent share.

Embodiment 3

[0015] Silicone rubber thermal insulation material for engines, including the following components in parts by weight: 100 parts of methyl vinyl silicone rubber, 1.4 parts of hydroxyl-terminated polydimethylsiloxane, 14.1 parts of dimethyldiethoxysilane, chopped 10.8 parts of fiber, 6.3 parts of double horse resin, 1.2 parts of zirconium boride, 5.4 parts of dibenzoyl peroxide, 2.9 parts of polycarbonate magnesium slag complex, 6.3 parts of silazane, 2.7 parts of hafnium dioxide, and 2.8 parts of vulcanizing agent share.

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PUM

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Abstract

The invention discloses a silicone rubber insulating material for an engine, and belongs to the technical field of silicone rubber materials. The silicone rubber insulating material is prepared from,by weight, 100 parts of methyl vinyl silicone rubber, 1-6 parts of hydroxy-terminated poly-dimethylsiloxane, 3-15 parts of dimethyldiethoxysilane, 10-16 parts of chopped fiber, 2-7 parts of bismalemide resin, 1-3 parts of zirconium boride, 1-6 parts of dibenzoyl peroxide, 2-10 parts of polycarbonate magnesium slag complex, 3-7 parts of silazane, 2-5 parts of hafnium oxide and 0.1-3 parts of vulcanizing agent. By means of the silicone rubber insulating material for the engine, through compounding of methyl vinyl silicone rubber, hydroxy-terminated poly-dimethylsiloxane, dimethyldiethoxysilane,chopped fiber, bismalemide resin, zirconium boride, dibenzoyl peroxide, polycarbonate magnesium slag complex, silazane, hafnium oxide and vulcanizing agent, the silicone rubber insulating material hasthe advantages of being resistant to high temperature and corrosion, good in elasticity, high in resistance to micromolecule migration and the like.

Description

technical field [0001] The invention relates to a thermal insulation material, in particular to a silicone rubber thermal insulation material for an engine, and belongs to the technical field of silicone rubber materials. Background technique [0002] The integral solid impulse engine has the best performance and unparalleled advantages in supersonic and even hypersonic conditions, and has the advantages of high specific impulse, simple structure, and full-range controllability. The working environment of the integral solid impulse engine is extremely harsh, so its thermal protection is particularly important. Silicone rubber thermal insulation material is an elastic thermal protection material formed by mixing silicone rubber as a matrix, mixing chopped fibers, silicon dioxide, vulcanizing agent and flame retardant, and then pressing. However, the performance of the existing thermal protection materials is not ideal. Contents of the invention [0003] The object of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L83/04C08L79/08C08L69/00C08K13/04C08K7/02C08K5/5419C08K3/38C08K5/14C08K5/544C08K3/22
CPCC08L83/04C08L2201/08C08L2205/025C08L2205/035C08L79/085C08L69/00C08K13/04C08K7/02C08K5/5419C08K3/38C08K5/14C08K5/544C08K3/22
Inventor 缪伟
Owner 徐州艾梅尼克工程机械有限公司