| abstract |
Providing heat-conductive silicone rubber composite sheet with good thermal conductivity, electrical insulation, strength, flexibility, durability by improving adhesion between layers, and high rigidity and suitable for automatic mounting. . Having an intermediate layer and a pair of outer layers laminated on both sides of the intermediate layer; (A) The intermediate layer is an electrically insulating synthetic resin film layer having a thermal conductivity of 0.20 W / m ยท K or more and a tensile elastic modulus of 5 GPa or more, (B) The outer layer comprises (a) an organopolysiloxane, (b) a curing agent, (c) a thermally conductive filler, and (d) an epoxy group, an alkoxy group, a methyl group, a vinyl group, and an Si-H group. A silicone rubber layer of a cured product of a composition comprising a silicon compound-based adhesion promoter having at least one group selected from the group consisting of: A thermally conductive silicone rubber composite sheet comprising a laminated structure. |