Polypropylene barrier film and method of forming same

Details Polypropylene barrier film and method of forming same Polypropylene barrier film and method of forming same

1986-06-09

1987-03-17

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

15624411, 428 35, 428500, 428910, B32B 2708

Patent

active

046507213

ABSTRACT:
The film resulting from and the process for forming a firmly bonded film laminate combination comprising, preparing an intimate combination I of polypropylene and a maleic acid anhydride modified olefin polymer; forming a film of at least one layer of said combination I with at least one layer of a polymer II selected from the group consisting of polyvinyl alcohol and an ethylene-vinyl alcohol copolymer; and effecting adhesion between the layers by orienting the film.

REFERENCES:
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patent: 3519531 (1970-07-01), James et al.
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patent: 4147827 (1979-04-01), Breidt et al.
patent: 4254169 (1981-03-01), Schroeder
patent: 4355721 (1982-10-01), Knott et al.
patent: 4407897 (1983-10-01), Farrell et al.
patent: 4447485 (1984-05-01), Aritake
patent: 4511610 (1985-04-01), Yazaki et al.

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