Modified polyethylene blown film compositions having excellent bubble stability
US8629217B2 · kind B2 · utility
1Cited by
28References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2012 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Aug 13, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/0815
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.