Heat shrinkable co-extruded film and relevant preparation proced

Details Heat shrinkable co-extruded film and relevant preparation proced Heat shrinkable co-extruded film and relevant preparation proced

1993-10-25

1995-12-05

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428 349, 428910, B32B 2708

Patent

active

054727910

ABSTRACT:
Three-layer heat shrinkable co-extruded film, the intermediate layer consisting of linear low density polyethylene or linear medium density polyethylene, added with hydrogenated hydrocarbon resins or other resins or low molecular weight polyethylene or polypropylene waxes, and the two external layers consisting of polypropylene or ethylene-propylene copolymer added with resins or waxes of the same group as used for the intermediate layer.

REFERENCES:
patent: 4532189 (1985-07-01), Mueller
patent: 4863769 (1990-09-01), Lustig et al.
patent: 5298302 (1994-03-01), Boice

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