Metallized composite film structure and method

Details Metallized composite film structure and method Metallized composite film structure and method

1994-11-25

1996-06-11

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428 353, 428 358, 428461, 428520, 428910, B32B 712

Patent

active

055254217

ABSTRACT:
A metallized film combination comprising an oriented polypropylene substrate layer, at least one surface of which having a coating of a vinyl alcohol homopolymer or copolymer hydrolyzed to at least 95% at a pH of greater than 5.0, said coating having a metal layer thereon. The high pH PVOH hydrolysis conditions provide a metallized product of high metal adhesion and good water and oxygen barrier properties.

REFERENCES:
patent: 3433777 (1969-03-01), Brunson
patent: 4198327 (1980-04-01), Matsumoto et al.
patent: 4345005 (1982-08-01), All et al.
patent: 5153074 (1992-10-01), Migliorini
patent: 5192620 (1993-03-01), Chu et al.

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