Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1989-02-28
1990-05-22
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
264174, 264236, 524404, 524492, 524588, 524860, 528 13, 528 24, 528 32, 528 33, 528 34, B29C 4700, B29C 4706, B32B 108, C08K 338
Patent
active
049275879
ABSTRACT:
An extrusion molding silicon rubber composition including (A) 100 pbw of an organopolysiloxane, (B) 5-500 pbw of finely divided silica filler, (C) 1-50 pbw of powder boron nitride having a mean particle size of up to 20 .mu.m, and (D) a curing catalyst is extrusion molded and cured into an insulating article which has improved physical properties and dielectric strength and is thus suitable as electrical insulation.
REFERENCES:
patent: 3050490 (1962-08-01), Nitzsche et al.
patent: 3518222 (1970-06-01), Ostrowski
patent: 4292225 (1981-09-01), Theodore et al.
Takahashi Masaharu
Yoshida Takeo
Shin-Etsu Chemical Co. , Ltd.
Tentoni Leo B.
Thurlow Jeffery
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