Coextruded, heat-shrinkable, multi-layer, polyolefin packaging film
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United States of America Patent
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Oct 5, 1982
Grant Date -
N/A
app pub date -
Mar 26, 1981
filing date -
Mar 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The multi-layer polyolefin shrink film of this invention provides a unique combination of shrink tension, optical clarity, cuttability, sealability, shrink temperature range, and tear resistance which is highly desirable for many packaging applications. The preferred film has three layers in which the core layer comprises an ethylene-vinyl acetate copolymer blended with an ethylene-propylene copolymer and each surface layer comprises an ethylene-propylene copolymer.
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