US 2013/0211009 A1 · Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability

Abstract

The present invention relates to polyethylene compositions comprising one or more ethylene polymers and one or more dendritic hydrocarbon polymer modifiers, in particular, this invention further relates to polyethylene blends comprising one or more ethylene polymers and one or more dendritic hydrocarbon polymer modifiers, wherein the modifier has: 1) a g′vis value less than 0.75; 2) at least 0.6 ppm ester groups as determined by 1H NMR; 3) a Tm of 100° C. or more; 4) an Mw of 50,000 g/mol or more, as determined by GPC; 5) an average number of carbon atoms between branch points of 70 or more as determined by 1H NMR.

Claims23

Dependent claims

A polyethylene blend comprising one or more ethylene polymers and one or more dendritic hydrocarbon polymer modifiers, wherein the modifier has:

1) a g′vis value less than 0.75;
2) at least 0.6 ppm ester groups as determined by 1H NMR;
3) a Tm of 100° C. or more;
4) an Mw of 50,000 g/mol or more, as determined by GPC;
and 5) an average number of carbon atoms between branch points of 70 or more as determined by 1H NMR.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

13/584,284Filed 13 Aug 2012

Priority

22 Nov 2011

Published

15 Aug 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification3 codes

C08L 23/24
Homopolymers or copolymers of hydrocarbons having four or more carbon atoms: having ten or more carbon atoms
C08L 23/0815
With unsaturated hydrocarbons only containing four or more carbon atoms: with aliphatic 1-olefins containing one carbon-to-carbon double bond
C08L
Compositions of macromolecular compounds

Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability

Life of this patent

Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability

Life of this patent

Abstract

Claims23