Silicone protective cover with good thermal conductivity
A protective cover and thermal conductivity technology, applied in the field of electronic product accessories, can solve the problems of easy aging, high production cost, poor thermal conductivity of silicone material, etc., to achieve improved heat resistance and thermal conductivity, improved electrical conductivity, and improved protection. Effect
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Embodiment 1
[0021] A silica gel protective cover with good thermal conductivity. According to the mass parts, the silica gel used for the protective cover is prepared from the following raw materials: 100 parts of silicone rubber, 10 parts of vinyl silicone oil, 5 parts of hydroxyl silicone oil, 0.4 parts of catalyst, polydimethyl 2 parts of siloxane, 3 parts of zinc stearate, 16 parts of aluminum oxide powder, 4 parts of copper powder, and 1 part of coupling agent.
[0022] The silicone rubber is dimethyl silicone rubber; the catalyst is a platinum complex catalyst; the mesh number of the copper powder is 200 mesh.
[0023] The alumina powder has been modified. The modification process is as follows: dissolve the silane coupling agent in the ethanol solvent, then add the alumina powder into the solution and mix evenly. Stir at a rotating speed for 15 minutes, and then dry to obtain the desired modified alumina powder, the mesh number of which is 250 mesh.
[0024] The preparation method...
Embodiment 2
[0029] A silicone protective cover with good thermal conductivity. According to the mass parts, the silicone rubber used for the protective cover is prepared from the following raw materials: 120 parts of silicone rubber, 13 parts of vinyl silicone oil, 8 parts of hydroxyl silicone oil, 0.7 parts of catalyst, polydimethyl 4 parts of siloxane, 4 parts of zinc stearate, 19 parts of aluminum oxide powder, 8 parts of copper powder, and 2 parts of coupling agent.
[0030] Fluorosilicone rubber is used as the silicone rubber; the catalyst is a platinum complex catalyst; the mesh number of the copper powder is 250 mesh.
[0031] The alumina powder has been modified. The modification process is: dissolve the silane coupling agent in the ethanol solvent, then add the alumina powder into the solution and mix evenly. Stir at a rotating speed for 20 minutes, and then dry to obtain the desired modified alumina powder, the mesh number of which is 300 mesh.
[0032] The preparation method o...
Embodiment 3
[0037] A silica gel protective cover with good thermal conductivity. According to the mass parts, the silica gel used for the protective cover is prepared from the following raw materials: 110 parts of silicone rubber, 12 parts of vinyl silicone oil, 7 parts of hydroxyl silicone oil, 0.6 parts of catalyst, polydimethyl 3 parts of siloxane, 3.5 parts of zinc stearate, 17 parts of alumina powder, 6 parts of copper powder, and 1.5 parts of coupling agent.
[0038] The silicone rubber is methyl phenyl vinyl silicone rubber; the catalyst is platinum complex catalyst; the mesh number of copper powder is 230 mesh.
[0039] The alumina powder has been modified. The modification process is as follows: dissolve the silane coupling agent in the ethanol solvent, then add the alumina powder into the solution and mix evenly. Stir at a rotating speed for 18 minutes, and then dry to obtain the desired modified alumina powder. The mesh number of the alumina powder is 280 mesh.
[0040] The pr...
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