Control over controlled radical polymerization processes
US9012528B2 · kind B2 · utility
1Cited by
77References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 7, 2014 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Feb 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A procedure for improved temperature control in controlled radical polymerization processes is disclosed. The procedure is directed at controlling the concentration of the persistent radical in ATRP and NMP polymerizations procedures and the concentration of radicals in a RAFT polymerization process by feeding a reducing agent or radical precursor continuously or intermittently to the reaction medium through one of more ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.