Polymers with improved toughness and ESCR for large-part blow molding applications
US9273170B2 · kind B2 · utility
46Cited by
60References
21Claims
0Family size
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Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/07
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are ethylene-based polymers having a density greater than 0.945 g/cm3, a high load melt index less than 25 g/10 min, a peak molecular weight ranging from 52,000 to 132,000 g/mol, and an environmental stress crack resistance of at least 250 hours. These polymers have the processability of chromium-based resins, but with improved impact strength and stress crack resistance, and can be used in large-part blow molding applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.