Multi-layer transparent polyolefin film for application in shrink labelling
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United States of America Patent
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May 18, 1993
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
May 31, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Described is a transparent shrinkable film comprising a base layer prepared from propylene-containing polymers and a hydrocarbon resin. The base layer contains about 5% to 40% by weight of a propylene homopolymer, 0% to about 30% by weight of a hydrogenated hydrocarbon resin having a softening point in the range from about 80.degree. to 125.degree. C., and about 30% to 95% by weight of a random ethylene-propylene copolymer, the percentages being related to the total weight of the mixture. A top layer is arranged on either side of the base layer. The invention also describes a process for the manufacture of the film.
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