Biaxially oriented polypropylene films with improved cold seal r

Details Biaxially oriented polypropylene films with improved cold seal r Biaxially oriented polypropylene films with improved cold seal r

1996-09-10

2000-06-13

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428336, 428343, 428515, 428516, 428517, 428519, 428520, B32B 712, B32B 2732

Patent

active

060747315

ABSTRACT:
A packaging film is provided which has a cold seal cohesive receptive skin layer made up of at least one of (A) and (B), wherein (A) is up to 100% by weight a first polymer blend, and (B) is up to 100% by weight of an optional second component. The first polymer blend is made of high density polyethylene and polyisobutylene. The second optional component is selected from (i) up to 100% by weight of styrene-butadiene copolymer, and (ii) up to 75% by weight of a functionally modified polyethylene.

REFERENCES:
patent: 4058647 (1977-11-01), Inoue et al.
patent: 4298712 (1981-11-01), Machonis, Jr. et al.
patent: 4370388 (1983-01-01), Mito et al.
patent: 4996096 (1991-02-01), Dew
patent: 5419960 (1995-05-01), Touhsaent
patent: 5482780 (1996-01-01), Wilkie et al.
patent: 5489473 (1996-02-01), Wilkie

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