Coextruded elastomeric films

Details Coextruded elastomeric films Coextruded elastomeric films

B - Operations, Transporting

29

C

204/91.63

B29C 47/06 (2006.01) B32B 27/32 (2006.01)

Patent

CA 1200358

TITLE COEXTRUDED ELASTOMERIC FILMS ABSTRACT OF THE DISCLOSURE A transparent, elastomeric, composite film structure having a core ethylene/vinyl acetate copolymer and outer layers of a low density ethylene homopolymer or copolymer with a small amount of another .alpha.-olefin or vinyl acetate is made by coex- trusion of the polymers in a three layer combining adapter and quenching on a chill roll. This film structure is useful as a wrapping material, especially for heat-sensitive articles.

437606

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