High-temperature-resistant flame-retardant silicone rubber and preparation method thereof
A technology of silicone rubber and high temperature resistance, applied in the field of high temperature resistant flame retardant silicone rubber and its preparation, can solve the problem that silicone rubber cannot have excellent flame retardancy and high temperature resistance at the same time, and achieve excellent mechanical properties and excellent high temperature resistance. and flame retardant performance, the effect of strong operability
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[0034] Example 1
[0035] The high temperature resistant flame-retardant silicone rubber proposed by the present invention includes the following components in parts by weight: 100 parts of vinyl-terminated silicone rubber raw rubber, 40 parts of white carbon black, 30 parts of fillers, and 10 parts of flame retardants , 3 parts of structuring control agent, 2 parts of heat-resistant agent, 0.5 part of coupling agent and 0.1 part of release agent;
[0036] Among them, the molecular weight of vinyl-terminated raw silicone rubber is 500,000 to 900,000, and the vinyl content is 0.03% to 3.0%; further, the molecular weight and vinyl content of vinyl-terminated raw silicone rubber can be selected from one of them Or multiple combinations;
[0037] For example: 600,000 vinyl content 0.04% raw rubber 75phr and 600,000 vinyl content 0.23% raw rubber 25phr are used together;
[0038] For example: 800,000 molecular weight 0.04% vinyl content raw rubber 85 phr, 600,000 molecular weight 0.16% vi...
Example Embodiment
[0066] Example 2
[0067] The heat-resistant flame-retardant silicone rubber proposed by the present invention includes the following components in parts by weight: 100 parts of vinyl-terminated silicone rubber raw rubber, 50 parts of white carbon black, 50 parts of fillers, and 20 parts of flame retardants. , 5 parts of structuring control agent, 4 parts of heat-resistant agent, 1 part of coupling agent and 0.6 part of release agent;
[0068] Among them, the molecular weight of vinyl-terminated raw silicone rubber is 500,000 to 900,000, and the vinyl content is 0.03% to 3.0%; further, the molecular weight and vinyl content of vinyl-terminated raw silicone rubber can be selected from one of them Or multiple combinations;
[0069] For example: 600,000 vinyl content 0.04% raw rubber 75phr and 600,000 vinyl content 0.23% raw rubber 25phr are used together;
[0070] For example: 800,000 molecular weight 0.04% vinyl content raw rubber 85 phr, 600,000 molecular weight 0.16% vinyl content r...
Example Embodiment
[0098] Example 3
[0099] The high temperature resistant flame-retardant silicone rubber proposed by the present invention includes the following components in parts by weight: 100 parts of vinyl-terminated silicone rubber raw rubber, 60 parts of white carbon black, 70 parts of fillers, and 30 parts of flame retardants , 7 parts of structuring control agent, 5 parts of heat-resistant agent, 2 parts of coupling agent and 1 part of release agent;
[0100] Among them, the molecular weight of vinyl-terminated raw silicone rubber is 500,000 to 900,000, and the vinyl content is 0.03% to 3.0%; further, the molecular weight and vinyl content of vinyl-terminated raw silicone rubber can be selected from one of them Or multiple combinations;
[0101] For example: 600,000 vinyl content 0.04% raw rubber 75phr and 600,000 vinyl content 0.23% raw rubber 25phr are used together;
[0102] For example: 800,000 molecular weight 0.04% vinyl content raw rubber 85 phr, 600,000 molecular weight 0.16% vinyl...
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