High density multimodal polyethylene
US6433095B1 · kind B1 · utility
54Cited by
4References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2000 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Mar 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/139
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a high density multimodal polyethylene, having a shear ratio (SR) of 18 or more and a HLMI of 15 g/10 mins or less comprising at least 20% by weight of a high molecular weight fraction, which high molecular weight fraction has:(a) a density (&rgr;) of 0.930 g/cm3 or less; and(b) a high load melt index (HLMI) of 0.30 g/10 mins or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.