Heat-laminating composite film and laminated material using the

Details Heat-laminating composite film and laminated material using the Heat-laminating composite film and laminated material using the

1985-05-08

1987-08-04

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428349, 4284244, 428518, 428520, B32B 702

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active

046845640

ABSTRACT:
A heat-laminatable composite film obtained by providing, in sequence, a layer of a mixture of (B) a reactive polyurethane containing isocyanate groups therein and (C) a vinyl chloride-vinyl acetate copolymer on one surface of a film of (A) a saponified product of ethylene-vinyl acetate copolymer, or, Layer (B) and further Layer (C) on one surface of the film of (A). A laminated material obtained by heat-laminating the composite film onto at least one surface of a plasticized polyvinyl chloride layer.
The heat-laminatable composite film of the present invention is excellent in blocking resistance and adhesive strength. Further by heat-laminating the composite film onto the plasticized polyvinyl chloride layer, bleeding of the plasticizer in the polyvinyl chloride layer can be prevented.

REFERENCES:
patent: 2891876 (1959-06-01), Brown et al.
patent: 3257261 (1966-06-01), Hochberg
patent: 4552801 (1985-11-01), Odorzynski

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