One-sided cling/one-sided slip stretch wrap films
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United States of America Patent
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Feb 26, 1991
Grant Date -
N/A
app pub date -
Sep 26, 1988
filing date -
Sep 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stretch wrap film having one surface with cling properties and the other with noncling properties, one noncling property being a slip property exhibited when the noncling surface is in contact with a like surface of itself with relative motion therebetween having the improvement whichis comprised of positioning at least one region between the cling and noncling surfaces of the film, said region being of a material selected to provide barrier properties sufficient to maintain the cling and noncling properties of the cling and noncling surfaces. A high number average molecular weight cling additive is used to reduce additive migration and transfer.
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