High barrier film

Details High barrier film High barrier film

1995-04-28

1997-01-07

Nakarani, D. S.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428349, 428458, 428461, 428463, 4284761, 4284763, 4284769, 428516, 428520, 428910, B32B 1508, B32B 2732, B32B 2734

Patent

active

055915205

ABSTRACT:
An oriented film combination of (a) a base layer of polypropylene at least one surface of which comprises a maleic acid anhydride modified polypropylene; and (b) on at least one surface, a skin layer of an amorphous polyamide or a blend of an amorphous polyamide and a semicrystalline polyamide.

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patent: 4668571 (1987-05-01), Moriarty, Jr.
patent: 4671986 (1987-06-01), Clementini et al.
patent: 4908272 (1990-03-01), Harada et al.
patent: 4990562 (1991-02-01), Chou et al.
patent: 5053259 (1991-10-01), Vicik

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