HEAT-SEALABLE POLYOLEFIN FILMS AND SHEETS
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United States of America Patent
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Issued Date -
Jun 9, 2016
app pub date -
Jul 1, 2014
filing date -
Jul 22, 2013
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Abstract
The present technology relates to films or sheets comprising a layer of a heterophasic propylene copolymer containing up to 7.0% by weight of ethylene-derived units and comprising: (a) 80%-92% by weight of a matrix phase comprising a propylene homopolymer or a propylene copolymer containing up to 5% by weight of units derived from ethylene and/or an alpha-olefin; and (b) 8%-20% by weight of a rubber phase comprising an ethylene-propylene copolymer containing 20%-60% by weight of ethylene-derived units.
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