Process and polymer blend composition for stretch wrap film

Details Process and polymer blend composition for stretch wrap film Process and polymer blend composition for stretch wrap film

1982-12-01

1985-03-12

Seccuro, Carman J.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

204165, 524110, 524111, 524310, 524312, 524317, 524394, 524488, 524487, 525210, 525222, C08J 518, C08J 710, C08L 2304, C08L 2320

Patent

active

045044341

ABSTRACT:
A composition adapted for processing into stretch wrap film. The composition comprises between about 40 and about 90% by weight of a high molecular weight copolymer of ethylene and vinyl acetate containing between about 4 and about 25% by weight of repeating units derived from vinyl acetate and having a melt index of between about 0.1 and about 4.0. The composition further comprises between about 8 and about 55% by weight of a linear copolymer of ethylene and a higher alkene. Such linear copolymer has a specific gravity of between about 0.917 and about 0.945. The invention further includes stretch wrap film, a method of producing stretch wrap film of differential cling properties, and a composite film constituted of a layer of the aforesaid ethylene vinyl acetate copolymer and a layer of the linear copolymer of ethylene and a higher alkene.

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