The flame retardant technology of silicone rubber is mainly achieved by changing the thermal decomposition behavior of the material, destroying the three elements of combustion, interrupting chain reactions, and altering the molecular chain structure or properties.

1. Change the thermal decomposition behavior: By adding specific substances, the thermal decomposition temperature of silicone rubber can be increased, thereby reducing the generation of flammable gases during combustion.

2. Destruction of the three elements of combustion: the added substance produces non combustible gases when heated, viscous substances that isolate oxygen, or absorbs a large amount of heat, destroying the fuel, oxygen, and heat required for combustion.

3. Interrupt chain reaction: Add substances that can capture free radicals, such as HO ·, to interrupt the chain reaction during combustion and prevent flame propagation.

4. Changing the molecular chain structure or properties: By altering the molecular chain structure or properties of silicone rubber, its thermal decomposition ability can be improved or it can become flame retardant.

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