Peroxide treated metallocene-based polyolefins with improved melt strength
US11499023B2 · kind B2 · utility
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46References
30Claims
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Key dates
| Filing date | May 25, 2018 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Aug 4, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.