Composite material made of rubber elastomer and polytetrafluoroe

Details Composite material made of rubber elastomer and polytetrafluoroe Composite material made of rubber elastomer and polytetrafluoroe

1976-10-18

1979-01-09

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428220, 428281, 428290, 428291, 428261, 428262, 428289, 428305, 428315, 428331, 428421, 428422, 428446, 428538, 428492, 428519, 428520, 162172, 162157R, 526255, 156242, 291566, B32B 2704, B32B 710, B32B 700

Patent

active

041339274

ABSTRACT:
A composite material including a rubber elastomer substrate and a polytetrafluoroethylene resin film or sheet having a porosity of 20 to 95% by volume and being laminated on at least one portion of the rubber elastomer substrate. In one preferred embodiment, a process for the production of the composite material includes the step of laminating a vulcanizable rubber elastomer with a porous film or sheet of polytetrafluoroethyle resin at a temperature and pressure sufficient to effect vulcanization of the rubber elastomer.

REFERENCES:
patent: 2533501 (1950-12-01), Pendleton et al.
patent: 2951721 (1960-09-01), Asp
patent: 3015604 (1962-01-01), Hochberg
patent: 3170811 (1965-02-01), Sands
patent: 3411965 (1968-11-01), Hobaica
patent: 3579370 (1971-05-01), Punderson et al.
patent: 3626517 (1971-12-01), Kurtz
patent: 3679614 (1972-07-01), Shah et al.
patent: 3801552 (1974-04-01), Kometani et al.

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