Laminated rubber structure

Details Laminated rubber structure Laminated rubber structure

1990-05-29

1992-03-03

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138126, 138137, 428 368, 428420, 428421, F16L 1104, B32B 2708

Patent

active

050931660

ABSTRACT:
A laminated rubber structure having a first layer formed of a first rubber composition including a copolymer of tetrafluoroethylene, vinylidene fluoride, and hexafluoropropylene, the copolymer having at least one peroxide-crosslinking peroxide unit each bonded to a corresponding one of at least one end thereof, and containing 10 to 50 mole % of the vinylidene fluoride; and a second layer formed of a second rubber composition which includes an acrylonitrile-butadiene rubber containing 25 to 45 weight % of acrylonitrile, and a bifunctional crosslinking aid, the second layer contacting the first layer, the first and second layers being chemically bonded to each other by crosslinking caused between the copolymer and the acrylonitrile-butadiene rubber owing to the peroxide-crosslinking unit.

REFERENCES:
patent: 4486480 (1984-12-01), Okumoto et al.
patent: 4606952 (1986-08-01), Sugimoto et al.
patent: 4806351 (1989-02-01), Sugimoto et al.
patent: 4887647 (1989-12-01), Igarashi et al.

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