POLYMER COMPOSITION, THERMALLY-CONDUCTIVE SHEET, HIGHLY THERMALLY-CONDUCTIVE ADHESIVE SHEET WITH METAL FOIL, HIGHLY THERMALLY-CONDUCTIVE ADHESIVE SHEET WITH METAL PLATE, METAL-BASED CIRCUIT BOARD AND POWER MODULE

摘要

PPROBLEM TO BE SOLVED: To provide a polymer composition capable of improving thermal conductivity of molded articles, a thermally-conductive sheet having excellent heat conductivity, a highly thermally-conductive adhesive sheet with a metal foil, a highly thermally-conductive adhesive sheet with a metal plate and a metal-based printed circuit board and a power module capable of suppressing internal temperature rise in operation. PSOLUTION: The present invention provides a polymer composition containing aggregate particles formed by boron nitride and a polymer component, wherein the aggregate particles have ≥500 MPa hardness according to the nanoindentation method. PCOPYRIGHT: (C)2009,JPO&INPIT