Modified polyethylene compositions for cast film

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United States of America Patent

PATENT NO 9321911
APP PUB NO 20130209774A1
SERIAL NO

13851752

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Abstract

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The present invention relates to a cast film comprising a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g′vis of 0.90 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 3.0 or more; d) an Mz/Mn of 7.0 or more; e) a shear thinning ratio of 40 or more; and f) an I21 of 20 dg/min or less; where the film has at least a 10% reduction in neck-in as compared to the same composition formed into a film under the same conditions, except that the branched modifier is absent.

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Patent Owner(s)

  • EXXONMOBIL CHEMICAL PATENTS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Best, Steven A The Woodlands, US 41 483
Cheng, Jianya Kingwood, US 41 316
Jiang, Peijun League City, US 153 2789
Leyva, Arturo League City, US 6 19
Shirodkar, Pradeep P Houston, US 83 1522

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