Tackified ethylene-acrylate cling layers in stretch/cling films

Details Tackified ethylene-acrylate cling layers in stretch/cling films Tackified ethylene-acrylate cling layers in stretch/cling films

1992-07-22

1993-05-18

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

428 357, 229 35R, B65B 5300

Patent

active

052120015

ABSTRACT:
A thermoplastic film is provided which is especially suited for use in stretch/cling applications such as, for example, the bundling, packaging and unitizing of foods and other goods. The film comprises a cling layer comprising (i) a polymer of at least ethylene and acrylate or vinyl acetate, blended with (ii) a compatible, non-migratory tackifier. The film may further comprise a non-cling layer comprising a thermoplastic material essentially free of tackifier, with or without an anticling (slip and/or antiblock) additive. Preferred thermoplastic materials include linear low density polyethylene and polypropylene.

REFERENCES:
patent: 4671987 (1987-06-01), Knott et al.
patent: 5013595 (1991-05-01), Parry

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