Curable silicone coated gasket and composition

Details Curable silicone coated gasket and composition Curable silicone coated gasket and composition

1989-01-09

1989-09-12

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428287, 428290, 428429, 428447, 524860, 524861, 524866, 525 31, 525 32, B32B 1500

Patent

active

048659118

ABSTRACT:
A gasket of a nonwoven sheet material, and a coating composition on at least one side of the nonwoven sheet material. The coating composition is a reaction product of a vinyl functional polydimethylsiloxane, a trimethylsiloxy silica terpolymer, a reactive diluent, and a catalyst. The reactive diluent can be a methyl vinyl cyclic siloxane having the formula (MeViSiO).sub.n wherein n is an integer of from three to five, Me is methyl, and Vi is vinyl.

REFERENCES:
patent: 2956908 (1956-04-01), Brownback
patent: 3453228 (1969-07-01), Metevia et al.
patent: 4322518 (1982-03-01), Blizzard
patent: 4355068 (1982-10-01), Beyer et al.

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