公开(公告)号：US20140374648A1

公开(公告)日：2014-12-25

申请号：US14303839

申请日：2014-06-13

Applicant: Panasonic Corporation

Inventor： Atsushi TANAKA ,  Naomi NISHIKI ,  Kazuhiro NISHIKAWA ,  Hidetoshi KITAURA ,  Kimiaki NAKAYA ,  Honami NAWA

IPC: C08K3/04

CPC classification number: C08K3/04 ,  C08K2201/003 ,  C08K2201/004

Abstract: An object of the present invention is to provide an anisotropic heat conductive composition comprising: resin; and graphite fillers dispersed into the resin, wherein the graphite fillers each have a maximum diameter A in parallel with a basal plane of each of the graphite fillers and a maximum length C perpendicular to the basal plane, an average of the maximum diameters A ranges from 1 μm to 300 μm, an average ratio of the maximum diameter A to the maximum length C represented by A/C is at least 30, a content of the graphite fillers is 20 mass % to 40 mass %, and an average of a smaller angle made by the basal plane and a sheet surface of the sheet anisotropic heat conductive composition is less than 15°.

Abstract translation: 本发明的目的是提供一种各向异性导热组合物，其包含：树脂; 和分散在树脂中的石墨填料，其中石墨填料各自具有与每个石墨填料的基面平行的最大直径A和垂直于基面的最大长度C，最大直径A的平均值范围为 1μm〜300μm，由A / C表示的最大直径A与最大长度C的平均比例为30以上，石墨填料的含量为20质量％〜40质量％，平均为较小 由基底面制成的角度和片状各向异性导热组合物的片材表面小于15°。