| 摘要 |
PURPOSE:To obtain the titled composition having excellent adhesiveness between rubber component and epoxy resin matrix, improved heat cycle resistance and heat resistance, containing a modified fluororubber obtained by modifying fluororubber with a specific surface active agent. CONSTITUTION:(A) Modified fluororubber obtained by modifying (i) fluororubber with (ii) a copolymerized surface active agent of a perfluoroalkyl group- containing acrylate compound (e.g. compound shown by formula I, etc.) and (meth)acrylate (e.g. compound shown by formula II, etc.) is blended with (B) a polyfunctional epoxy resin compound, (C) a phenolic novolak resin, (D) an inorganic filler and (E) a curing promoter to give the aimed composition. The blending ratio of the component i and ii of the component ii/i is preferably 0.002-0.03 and a terpolymer of tetra-fluoroethylene, vinylidene fluoride and hexafluoropropylene, etc., is preferably used as the component i.
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