C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/06 (2006.01) C08F 2/10 (2006.01) C08F 2/22 (2006.01) C08F 2/38 (2006.01) C08F 10/00 (2006.01) C08F 12/08 (2006.01) C08F 293/00 (2006.01)
Patent
CA 2205031
A method for the solution or emulsion polymerization of ethylenically unsaturated monomers, styrene, and other free radical polymerizable monomers in aqueous media in which a cobalt chain transfer agent is used which has both hydrolytic stability and solubility in water and in the organic phase with preferential solubility in the organic phase.
L'invention porte sur un procédé de polymérisation en émulsion ou en solution de monomères non saturés en éthylène, de styrène et d'autres monomères susceptibles de polymérisation radicalaire dans un milieu aqueux. On utilise, pour ce procédé, un agent de transfert de chaîne de cobalt, stable à l'hydrolyse et soluble dans l'eau et dans la phase organique avec une solubilité préférentielle dans la phase organique.
Fryd Michael
Krstina Julia
Moad Catherine Louise
Moad Graeme
Rizzardo Ezio
Bennett Jones Llp
Commonwealth Scientific And Industrial Research Organization
E.i. Du Pont de Nemours And Company
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