Coextruded, heat-shrinkable, multi-layer, polyolefin packaging f

Details Coextruded, heat-shrinkable, multi-layer, polyolefin packaging f Coextruded, heat-shrinkable, multi-layer, polyolefin packaging f

1981-03-26

1982-10-05

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428516, 428520, 428910, B32B 702

Patent

active

043528490

ABSTRACT:
The multi-layer polyolefin shrink film of this invention provides a unique combination of shrink tension, optical clarity, cuttability, sealability, shrink temperature range, and tear resistance which is highly desirable for many packaging applications. The preferred film has three layers in which the core layer comprises an ethylene-vinyl acetate copolymer blended with an ethylene-propylene copolymer and each surface layer comprises an ethylene-propylene copolymer.

REFERENCES:
patent: 4194039 (1980-03-01), Mueller
patent: 4277578 (1981-07-01), Yoshimura et al.

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