Patent ID: 6074963
Filing Date: 2000-06-13
Classification: C08J,D06N,H01L,Y10T

Abstract:
A thermally conductive composite sheet which comprises:a cured silicone rubber layer containing a thermally conductive filler and having an Asker C hardness of from 5 to 50 homogeneously throughout the layer; anda porous reinforcing material layer having pores of at least 0.3 mm in diameter, which is incorporated wholly within said silicone rubber layerwherein the silicone rubber layer is prepared from a liquid addition curing silicone rubber composition containing:(a) an organopolysiloxane having at least two alkenyl groups within the molecule;(b) an organohydrogen polysiloxane having at least two hydrogen atoms bound to silicon atoms within the molecule;(c) a platinum group metallic catalyst; and(d) a thermally conductive filler.