Open-chain alkoxyamines and their corresponding nitroxides...

Details Open-chain alkoxyamines and their corresponding nitroxides... Open-chain alkoxyamines and their corresponding nitroxides...

C - Chemistry, Metallurgy

08

F

C08F 4/00 (2006.01) C07C 239/20 (2006.01) C07D 265/32 (2006.01) C07D 265/34 (2006.01)

Patent

CA 2477728

The present invention relates to open chain alkoxyamine compounds, a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one open chain alkoxyamine compound. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, and the use of open chain alkoxyamine compounds for controlled polymerization. The intermediate N-oxyl derivatives, a composition of the N-oxyl derivatives with ethylenically unsaturated monomers and a free radical initiator X, as well as a process and their use for polymerization are also subjects of the present invention.

L'invention concerne des composés d'alkoxyamine à chaîne ouverte et une composition polymérisable comprenant: a) au moins un monomère éthylénique insaturé et b) au moins un composé d'alkoxyamine à chaîne ouverte. D'autres aspects de cette invention concernent un procédé permettant de polymériser des monomères éthyléniques insaturés, ainsi que l'utilisation de composés d'alkoxyamine à chaîne ouverte pour réaliser une polymérisation dirigée. Cette invention concerne également des dérivés N-oxyl intermédiaires, une composition constituée des dérivés N-oxyl et des monomères éthyléniques insaturés, et un activateur de radicaux libres X?, ainsi qu'un procédé d'utilisation correspondant pour la polymérisation.

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