Heat-laminatable, high-gloss multilayer films

Details Heat-laminatable, high-gloss multilayer films Heat-laminatable, high-gloss multilayer films

1990-10-22

1992-06-30

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428516, 428518, 428330, 428331, B32B 712

Patent

active

051261979

ABSTRACT:
An improved heat-laminatable, high-glass and high-slip, at least monoaxially stretched multilayer film comprises at least one base layer I consisting essentially of polypropylene, an outer layer II which is thin by comparison with layer I and which consists essentially of polypropylene and an addition of an anti-blocking additive and a heat-activatable, heat-laminatable layer III containing an ethylene/vinyl acetate copolymer A and an ethylene/ethyl acrylate copolymer B1 and/or an ethylene/acrylic acid copolymer B2, the base layer I containing no anti-blocking additives.

REFERENCES:
patent: 4333968 (1982-06-01), Nahmias
patent: 4481058 (1984-11-01), Park
patent: 4629657 (1986-12-01), Gulati et al.
patent: 4720420 (1988-01-01), Crass et al.
patent: 4740421 (1988-04-01), Suzuki et al.
patent: 4764425 (1988-08-01), Balloni et al.
patent: 4876139 (1989-10-01), Yamamoto et al.
patent: 4956232 (1990-09-01), Balloni et al.

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