Methods for polymer synthesis
Patent
·
OSTI ID:1334668
The present invention provides methods for reducing induction periods in epoxide-CO.sub.2 copolymerizations. In certain embodiments, the methods include the step of contacting an epoxide with CO.sub.2 in the presence of two catalysts: an epoxide hydrolysis catalyst and an epoxide CO.sub.2 copolymerization catalyst. In another aspect, the invention provides catalyst compositions comprising a mixture of an epoxide hydrolysis catalyst and an epoxide CO.sub.2 copolymerization catalyst.
- Research Organization:
- Novomer, Inc. Ithaca, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FE0002474
- Assignee:
- Novomer, Inc. (Ithaca, NY)
- Patent Number(s):
- 9,512,269
- Application Number:
- 14/367,333
- OSTI ID:
- 1334668
- Resource Relation:
- Patent File Date: 2012 Dec 20
- Country of Publication:
- United States
- Language:
- English
Polycarbonate Polyol Compositions and Methods
|
patent-application | September 2011 |
Cobalt Catalysts for the Alternating Copolymerization of Propylene Oxide and Carbon Dioxide: Combining High Activity and Selectivity
|
journal | August 2005 |
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