Reference : Preparation of functionalized alkoxyamine initiator and its use
Patent : Patent
Engineering, computing & technology : Materials science & engineering
Physical, chemical, mathematical & earth Sciences : Chemistry
Preparation of functionalized alkoxyamine initiator and its use
Detrembleur, Christophe mailto [Bayer > > > >]
Gross, Thomas [ > > ]
Meyer, Rolf-Volker [ > > ]
United States Patent
US 6686424
EP20020013949 20020625
Bayer AG
C07C239/20; C07D211/94; C07D295/24; C08F2/00; C08F20/00; C08F4/00; C08F4/40; (IPC1-7): C07C239/08; C08F4/00
C07D211/94; C07D295/24; C08F4/00
[en] radical polymerization ; nitroxide-mediated polymerization (NMP)
[en] A one-pot process for the preparation of functional alkoxyamines of the general formula (I),is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to produce an aqueous phase and a nitroxyl radical (2) removing the aqueous phase and adding to the nitroxyl radical one or more vinyl monomer(s) conforming to a formula and a system which produces free radicals. Also disclosed is a process of polymerizing monomers using the functional alkoxyamine.

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