C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 6/08 (2006.01) C08F 2/06 (2006.01) C08F 4/10 (2006.01) C08F 4/50 (2006.01) C08F 6/02 (2006.01) C08F 6/12 (2006.01) C08F 20/18 (2006.01) C08F 22/12 (2006.01) C10M 145/14 (2006.01) C10M 149/06 (2006.01) C08F 220/18 (2006.01)
Patent
CA 2392780
This invention concerns a method for preparation of a liquid polymer composition, where ethylenically unsaturated monomers are polymerized by means of initiators that have a transferable atomic group, and one or more catalysts that contain at least one transition metal, in the presence of ligands that can form a coordination compound with the metallic catalyst(s), the catalyst is oxidized after the polymerization and then the catalyst is separated by filtration, where the composition contains a solvent with a dielectric constant less than or equal to 4.
L'invention concerne un procédé permettant de préparer une composition polymère liquide, selon lequel on polymérise des monomères insaturés éthyléniquement avec des initiateurs présentant un groupe d'atomes transmissible, et avec un ou plusieurs catalyseurs comprenant au moins un métal de transition, en présence de ligands susceptibles de former un composé de coordination avec le ou les catalyseurs. Le catalyseur est oxydé après la polymérisation et le catalyseur est ensuite séparé par filtration. La composition présente un solvant à constante diélectrique inférieure ou égale à 4.
Eisenberg Boris
Muller Michael
Roos Sebastian
Evonik Rohmax Additives Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Rohmax Additives Gmbh
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