Deep-drawable film

Details Deep-drawable film Deep-drawable film

1994-06-21

1996-01-09

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428515, 428517, 428519, 428520, 525196, B32B 514

Patent

active

054827663

ABSTRACT:
The present invention relates to a deep-drawable film in the form of a laminated film which contains a top film having certain amounts by weight of (a) at least one crosslinked PP-EPDM and (b) one uncrosslinked propylene block copolymer or heterophase propylene block polymer, 15 to 1% by weight of (b) being replaced with the same amount by weight of a polymer and/or ionomer (c) containing reactive groups. The invention furthermore relates to the process for the production of the laminated film and the use thereof. The bottom film(s) contain(s) certain amounts by weight of (d) at least one partially crosslinked EPDM, (e) one propylene homopolymer, copolymer or graft polymer, (f) at least one polymer and/or ionomer containing reactive groups and (g) at least one polymeric crosslinking agent containing reactive groups.

REFERENCES:
patent: 3937762 (1976-02-01), Nahmias
patent: 4751121 (1988-06-01), Kuhnel et al.
patent: 4917944 (1990-04-01), Breitscheidel et al.
patent: 5206294 (1993-04-01), Dawson

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