Rubber stopper for sealing

Details Rubber stopper for sealing Rubber stopper for sealing

1980-09-26

1982-02-23

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

215364, 220307, 220DIG19, 428422, 428447, 428492, 428521, B32B 2730, B65D 3900

Patent

active

043169414

ABSTRACT:
A rubber stopper for sealing comprises a substrate of a rubber stopper which is partially or wholly coated with a fluorine-containing elastomer comprising a graft copolymer having rubber-like elasticity and having chemical linkages of fluorine-containing polymeric segments and organopolysiloxane segments at reactive sites of said segments.

REFERENCES:
patent: 3578037 (1971-05-01), Flynn
patent: 3628681 (1971-12-01), Schwartz
patent: 4151342 (1979-04-01), Uchino

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