THERMALLY CONDUCTIVE POLYMER COMPOSITION AND THERMALLY CONDUCTIVE MOLDED OBJECT

摘要

The present invention provides a thermal conductive polymer composition with low probability for mixing of an air bubble in a thermal conductive molded article, which is a thermal conductive polymer composition including thermal conductive inorganic particles having a specific particle size distribution and an electrically insulating polymer.

主权项

1. A thermal conductive polymer composition comprising: thermal conductive inorganic particles; and an electrically insulating polymer,
wherein the thermal conductive inorganic particles comprise a first component containing boron nitride particles in an aggregated state and a second component which is a component other than the first component, a content of the second component in the thermal conductive inorganic particles is from 5 to 55 vol %, and the thermal conductive inorganic particles satisfy all requirements of the following (1) to (3):
(1) to contain particles having a particle diameter of 10 μm to 400 μm in an amount of 80 vol % or more,(2) to contain particles having a particle diameter of 20 μm to 400 μm in an amount of 60 vol % or more, and(3) to contain particles having a particle diameter of 30 μm to 400 μm in an amount of 40 vol % or more.