Reference : Process for the synthesis for alkoxy amines and their use in controlled radical polymeri...
Patent : Patent
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/93418
Process for the synthesis for alkoxy amines and their use in controlled radical polymerization
English
Detrembleur, Christophe mailto [> Bayer AG > > >]
Gross, Thomas [ > > ]
Meyer, Rolf-Volker [ > > ]
1-Jan-2004
2003-06-19
United States Patent
US 2004002606
EP20020013950 20020625
A
USA
Bayer AG
C07C253/30; C07C255/16; C07D211/94; C07D295/24; C08F4/00; (IPC1-7): C07C291/02; C07C409/24; C07D211/40
C07D211/94; C07D295/24; C08F4/00
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[en] radical polymerization ; nitroxide-mediated polymerization (NMP)
[en] A one-pot process for the preparation of alkoxyamines conforming to formulae (I) or (II), preferably (I) is disclosed. The process entails (1) reacting of an oxidizing agent (A) with a sterically hindered secondary amine of the general formula (III), in a water-containing medium to form a reaction product and an aqueous phase, (2) removing of the aqueous phase, and (3) (adding to the reaction product a free-radical initiator (B) under conditions that promote the decomposition of the initiator to generate free radicals. Also disclosed is a process for polymerizing monomers, the process using the alkoxyamine prepared by the inventive process.
Researchers
http://hdl.handle.net/2268/93418
http://worldwide.espacenet.com/publicationDetails/biblio?CC=US&NR=2004002606A1&KC=A1&FT=D&date=20040101&DB=EPODOC&locale=fr_be

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