HIGH MODULUS SINGLE-SITE LLDPE
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United States of America Patent
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Nov 23, 2017
app pub date -
Dec 11, 2015
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Dec 16, 2014
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Abstract
Linear low density polyethylene (LLDPE) that is prepared with a single site catalyst has relatively low modulus in comparison to a polyethylene of similar melt index and density made with a conventional Zeigler Natta catalyst. Films that are prepared from polyethylene having a low modulus have a soft and flexible “feel”, which is undesirable for some packaging applications. The present invention provides a method to increase the modulus of single site catalyzed polyethylene.
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