Composite material based on rubbers of the silicone type and of

Details Composite material based on rubbers of the silicone type and of Composite material based on rubbers of the silicone type and of

1992-01-23

1994-09-13

Nakarani, D. S.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428328, 428329, 428330, 428332, 428334, 428447, 428451, 428516, 428517, 428519, B32B 516, B32B 2508, B32B 2516, B32B 2520

Patent

active

053467604

ABSTRACT:
A composite material comprising at least two elastomer layers, the first layer having a first composition comprising from 40 to 80 percent by weight of silicone rubber, the second layer having a second composition comprising from 50 to 100 percent by weight of rubber of the ethylene-propylene copolymer and/or terpolymer type, wherein the first composition further contains from 20 to 60 percent by weight of rubber of the ethylene-propylene copolymer and/or terpolymer type, and each of the two compositions contains more than 5 percent, and preferably from 5 to 60 percent, by weight of silica.

REFERENCES:
patent: 3398043 (1968-08-01), Youngs
patent: 4714733 (1987-12-01), Itoh et al.
patent: 4808643 (1989-02-01), Lemoine et al.

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