EPOXY BASED COMPOSITION
    1.
    发明专利

    公开(公告)号:JPH0299513A

    公开(公告)日:1990-04-11

    申请号:JP25358288

    申请日:1988-10-06

    Abstract: PURPOSE:To obtain the title composition consisting of epoxy resin, curing agent, silicon oil, PS based block copolymer and inorganic filler, having excellent heat resistance to solder, reliability, mold release characteristics and solveut resistance and useful for a sealing resin. CONSTITUTION:The aimed composition consisting of (A) an epoxy resin (e.g., cresol novolak type epoxy resin), preferably of 5-25wt.%, (B) curing agent (preferably phenol novolak or cresol novolak), preferably of 2-15wt.%, (C) silicon oil [e.g., a compound expressed by the formula (R1-R5 are H, 1-20C alkyl, phenyl or vinyl; X and Y are 1-20C alkyl, phenyl, vinyl, OH, amino, epoxy, etc.; m is >=1; n is >=0)], (D) a PS based block copolymer, preferably of 1-4wt.% and (E) an inorganic filler (preferably fused silica), preferably of 65-85wt.%.

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