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Novel silica gel heat vulcanization bonding process

A technology of thermal vulcanization and silica gel, which is applied in the field of new silica gel thermal vulcanization bonding technology, which can solve the problems of low hardness and poor heat resistance of thermal vulcanization silica gel, and achieve the effects of large surface energy, superior stability, and improved processing performance

Inactive Publication Date: 2019-08-27
马春江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing thermal vulcanization silicone has poor heat resistance and low hardness, so we propose a new silicone thermal vulcanization bonding process to solve this problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A new type of silica gel thermal vulcanization bonding process, including raw rubber, reinforcing filler, ferric oxide, dicumyl peroxide, diphenylsilanediol, high temperature resistant additives, the reinforcing filler is gas phase white carbon black.

[0036] Reinforcing fillers are also comprised of hydrated silica.

[0037] Also included are organic peroxides.

[0038] Parts are composed according to the following parts by mass:

[0039] Raw rubber: 50 parts

[0040] Fumed silica: 40 parts

[0041] Hydrated silica: 50 parts

[0042] Ferric oxide: 3 parts

[0043] Dicumyl peroxide: 0.8 parts

[0044] Diphenylsilanediol: 3 parts

[0045] High temperature additive: 5 parts

[0046] Organic peroxides: 0.4 parts.

[0047] Make it with the following steps:

[0048] S1: Put the raw rubber and reinforcing filler in 5 into the rubber mixer for mixing;

[0049] S2: In the step S1, add diphenylsilanediol, ferric oxide, and heat-resistant additives after thinning 6-8 ...

Embodiment 2

[0062] A new type of silica gel thermal vulcanization bonding process, including raw rubber, reinforcing filler, ferric oxide, dicumyl peroxide, diphenylsilanediol, high temperature resistant additives, the reinforcing filler is gas phase white carbon black.

[0063] Reinforcing fillers are also comprised of hydrated silica.

[0064] Also included are organic peroxides.

[0065] Parts are composed according to the following parts by mass:

[0066] Raw rubber: 50 parts

[0067] Fumed silica: 45 parts

[0068] Hydrated silica: 55 parts

[0069] Ferric oxide: 5 parts

[0070] Dicumyl peroxide: 1 part

[0071] Diphenylsilanediol: 5 parts

[0072] High temperature additive: 7 parts

[0073] Organic peroxide: 0.5 parts.

[0074] Make it with the following steps:

[0075] S1: Put the raw rubber and reinforcing filler in 5 into the rubber mixer for mixing;

[0076] S2: In the step S1, add diphenylsilanediol, ferric oxide, and heat-resistant additives after thinning 6-8 time...

Embodiment 3

[0089] A new type of silica gel thermal vulcanization bonding process, including raw rubber, reinforcing filler, ferric oxide, dicumyl peroxide, diphenylsilanediol, high temperature resistant additives, the reinforcing filler is gas phase white carbon black.

[0090] Reinforcing fillers are also comprised of hydrated silica.

[0091] Also included are organic peroxides.

[0092] Parts are composed according to the following parts by mass:

[0093] Raw rubber: 50 parts

[0094] Fumed silica: 60 parts

[0095] Hydrated silica: 60 parts

[0096] Ferric oxide: 6 parts

[0097] Dicumyl peroxide: 1.2 parts

[0098] Diphenylsilanediol: 6 parts

[0099] High temperature additive: 8 parts

[0100] Organic peroxide: 0.6 parts.

[0101] Make it with the following steps:

[0102] S1: Put the raw rubber and reinforcing filler in 5 into the rubber mixer for mixing;

[0103] S2: In the step S1, add diphenylsilanediol, ferric oxide, and heat-resistant additives after thinning 6-8 t...

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PUM

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Abstract

The invention discloses a novel silica gel heat vulcanization bonding process, and belongs to the technical field of silica gel heat vulcanization. The novel silica gel heat vulcanization bonding process includes raw rubber, a reinforcing filler, ferric oxide, dicumyl peroxide, diphenylsilandiol, a high temperature resistant auxiliary agent and organic peroxides; the reinforcing filler is gas phase white carbon black, and the reinforcing filler further contains hydrated silica. Accordingly, the high temperature resistant, non-combustible, tasteless, odorless and good adsorbing effects are achieved, by mixing the raw rubber, dicumyl peroxide and diphenylsilandiol, the structural phenomenon of the silicone rubber is reduced, and the processing property of the rubber is improved; ferric oxideand the high temperature resistant auxiliary agent are added simultaneously, so that the heat resistance of the silicone rubber is improved.

Description

technical field [0001] The invention relates to the technical field of silica gel thermal vulcanization, in particular to a novel silica gel thermal vulcanization bonding process. Background technique [0002] Thermally vulcanized silicone is a type of silicone product with the largest output and wide application. Add reinforcing fillers, vulcanizing agents and other additives to heat-vulcanized silicone raw rubber, and then knead it to form a compound rubber. It can be processed into various silicone rubber products by general rubber processing methods such as molding and extrusion. Silicon rubber has Excellent high and low temperature resistance, can be used for a long time in the range of 60 ~ 250 ℃, and also has excellent electrical insulation performance, ozone resistance, weather aging resistance, water repellency, moisture resistance, and good physiological inertia, therefore, it is in Aerospace, aviation, electronics, electrical, construction, machinery, metallurgy,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08K13/02C08K3/22C08K5/14C08K3/36C08K5/5419
CPCC08K3/22C08K3/36C08K5/14C08K5/5419C08K13/02C08K2003/2272C08L2201/02C08L2201/08C08L83/04
Inventor 不公告发明人
Owner 马春江
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