Mixed catalyst systems for producing multimodal elastomers
US11155658B2 · kind B2 · utility
2Cited by
10References
15Claims
0Family size
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Key dates
| Filing date | Jul 25, 2017 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Jul 10, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.