Heat-laminatable, high-gloss multilayer films
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United States of America Patent
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Jun 30, 1992
Grant Date -
N/A
app pub date -
Oct 22, 1990
filing date -
Oct 26, 1989
priority date (Note) -
Expired
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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.
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