Method for manufacturing silicone rubber

[0020] Example 1

[0021] The silicone rubber matrix, cross-linking agent, conductive and magnetic conductive media were mixed 0.5 on a two-roll mill at a temperature of 90°C; the mixed composite material was molded at 80°C and 9MPa. Among them, the conductive The medium is silver-plated copper powder, and the magnetic conductive medium is silver-plated nickel powder; the mass ratio of the silicone rubber matrix: crosslinking agent: conductive medium: magnetic conductive medium is 4:1:100:80, and the silicone rubber matrix includes: hydroxyl Silicone rubber, vinyl silicone rubber, alkoxy silicone rubber, crosslinking agent includes: isocyanate, organic peroxide, aliphatic azo compound, silver-plated nickel powder particle size is 1μm, coating thickness is 1μm, silver-plated copper The particle size of the powder is 1 μm, and the thickness of the coating is 1 μm.

[0022] Example 2

[0023] The silicone rubber matrix, crosslinking agent, conductive and magnetic medium were mixed on a two-roll mill for 3 hours at a temperature of 150°C; the mixed composite material was molded under the conditions of 150°C and 20MPa, wherein the The conductive medium is silver-plated copper powder, and the magnetic conductive medium is silver-plated nickel powder; the mass ratio of the silicone rubber matrix: crosslinking agent: conductive medium: magnetic conductive medium is 4:10:400:200, and the silicone rubber matrix includes: Hydroxy silicone rubber, vinyl silicone rubber, alkoxy silicone rubber, crosslinking agent includes: isocyanate, organic peroxide, aliphatic azo compound, the particle size of silver-plated nickel powder is 6μm, the thickness of the coating is 6μm, silver-plated The particle size of the copper powder is 12 μm, and the plating thickness is 7 μm.

[0024] Example 3

[0025] The silicone rubber matrix, cross-linking agent, conductive and magnetic conductive media were mixed on a two-roll mill for 1 hour at a temperature of 100°C; the mixed composite material was compression molded at 130°C and 15MPa. The conductive medium is silver-plated copper powder, and the magnetic conductive medium is silver-plated nickel powder; the mass ratio of the silicone rubber matrix: crosslinking agent: conductive medium: magnetic conductive medium is 4:5:200:150, and the silicone rubber matrix includes: Hydroxy silicone rubber, vinyl silicone rubber, alkoxy silicone rubber, cross-linking agent includes: isocyanate, organic peroxide, aliphatic azo compound, the particle size of silver-plated nickel powder is 5μm, the coating thickness is 4μm, silver-plated The particle size of the copper powder is 8 μm, and the plating thickness is 5 μm.