Abstract: Thermoplastic rubber is used as part of a thermally conductive electrically insulating filled elastomer composition. The filler may be any conventional filler such as hexagonal boron nitride or alumina. The thermoplastic rubber may be crosslinked. The filled elastomer can be molded or pressed into desired shapes.
Type:
Grant
Filed:
May 24, 1991
Date of Patent:
March 16, 1993
Assignee:
W. R. Grace & Co.-Conn.
Inventors:
Jacob Block, Roy W. Rice, Charles R. Morgan