Process for preparing polymers from vinylaromatic compounds...

Details Process for preparing polymers from vinylaromatic compounds... Process for preparing polymers from vinylaromatic compounds...

C - Chemistry, Metallurgy

08

F

C08F 12/04 (2006.01)

Patent

CA 2277852

The invention concerns a process for preparing polymers from vinylaromatic compounds in dispersion, characterized in that polymerization is carried out in the presence of a dispersing aid and a catalyst obtained from: (A) a transition metal complex of the second or eighth subgroup; (B) a cation- forming agent; and (C) optionally an aluminium compound.

L'invention concerne un procédé de préparation de polymérisats à base de composés vinylaromatiques en dispersion, qui se caractérise en ce que la polymérisation s'effectue en présence d'un auxiliaire de dispersion et d'un catalyseur obtenu à partir A) d'un complexe de métal de transition du deuxième au huitième sous-groupe, B) d'un agent formant des cations et C) éventuellement d'un composé aluminium.

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