Elastomer film and composite containing same

Details Elastomer film and composite containing same Elastomer film and composite containing same

1992-11-30

1993-10-12

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428286, 428248, 428247, 428255, 428264, 428910, 428265, 525211, 525222, B32B 2732, C08L 4500, C08L 3304

Patent

active

052523853

ABSTRACT:
An elastomer film of a thermoplastic elastomer composition comprising 30-70 weight % of an ethylene-propylene-diene copolymer and 70-30 weight % of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 5-30 weight % and a melt index of 0.2-25 g/10 minutes, the elastomer film having a thickness of 10-60 .mu.m, and a draw ratio expressed by a heat shrinkage ratio at 50.degree. C. which is 5-35% in an MD direction and 5-25% in a TD direction, the ratio of the draw ratio in an MD direction to the draw ratio in a TD direction being 3 or less, is produced by an air-cooled inflation method.

REFERENCES:
patent: 4714735 (1987-12-01), Hodgson, Jr. et al.
patent: 4877827 (1989-10-01), Van Der Groep
patent: 4945127 (1990-07-01), Kagawa et al.
patent: 4997880 (1991-03-01), Van Der Groep
patent: 5001195 (1991-03-01), van Groep

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