Multilayered polyolefin high shrinkage, low-shrink force shrink

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428516, 428520, 428910, 428 349, 264181, 264173, 264171, 2641761, B32B 702, B32B 2708, B65B 1152

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active

048659029

ABSTRACT:
A multi-layered, heat shrinkable film is disclosed which possesses one or two outer layers of a polyolefin and a core layer of material having a melting point below the temperature required to orient the material of the outer layer or layers, the core layer comprising 50 to 95% of the overall thickness of the film.

REFERENCES:
patent: 4064296 (1977-12-01), Bornstein et al.
patent: 4161562 (1979-07-01), Yoshikawa et al.
patent: 4230767 (1980-10-01), Isaka et al.
patent: 4541983 (1985-09-01), Hsu et al.
AD-5645-Copending Appln.--Golike and Saltman--Films of High Acid Ethylene/Methacrylic Copolymers.
AD-5675-Copending Appln.--Dutton et al.--Process for the Solution Copolymerization of Ethylene with Highly Reactive Comonomers.

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