| 摘要 |
PROBLEM TO BE SOLVED: To provide an insulation sheet bringing forth a cured object excellent in handleability, dielectric breakdown characteristics, thermal conductivity, and adhesion. SOLUTION: The insulation sheet 3 contains a polymer (A) as a copolymer of a (meta) acrylate compound having an epoxy group or the like as a side chain and a monomer having unsaturated carbon double bond in a skeleton used for bonding a high thermal conductor 4 with a thermal conductivity of 10 W/m×K or more to a conductive layer 2, with a weight-average molecular weight of 1,000,000 or more, an epoxy equivalent and/or an oxetane equivalent of 1,000 or less, and a Tg of 50°C or more, an epoxy monomer (B1) and/or an oxetane monomer (B2) having an aromatic skeleton with a weight-average molecular weight of 600 or less, a curing agent (C) that is phenol resin or acid anhydride having an aromatic skeleton or alicyclic skeleton, its hydrogenated matter or degenerated matter, and a filler (D) with a thermal conductivity of 30 W/m×K or more. COPYRIGHT: (C)2010,JPO&INPIT |
