Heat-shrinkable multi-layer polyolefin films

Details Heat-shrinkable multi-layer polyolefin films Heat-shrinkable multi-layer polyolefin films

1995-01-20

1997-03-25

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428515, 428516, 428520, 428 349, 428 3691, B32B 2708, B32B 2732, B65B 5302

Patent

active

056143150

ABSTRACT:
A heat shrinkable multilayer film which includes two outer layers consisting essentially of a polyethylene resin, and one or more inner layers interposed between the outer layers, wherein at least one of the inner layers comprises a blend of a polypropylene resin and a substantially linear ethylene/alpha-olefin copolymer, wherein said copolymer has a molecular weight distribution Mw/Mn of not greater than about 2 and a melt flow ratio I.sub.10 /I.sub.2 of not smaller than 7.0.

REFERENCES:
patent: 4820557 (1989-04-01), Warren et al.
patent: 5001016 (1991-03-01), Kondo et al.
patent: 5279872 (1994-01-01), Ralph

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