C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 14/06 (2006.01)
Patent
CA 2589790
A copolymer of (i) an alkyl acrylate or alkyl methacrylate and (ii) a hydroxyalkyl acrylate or hydroxyalkyl methacrylate is used as a secondary protective colloid in the suspension polymerization of vinyl chloride monomer. The alkyl group of the alkyl acrylate or alkyl methacrylate is preferably a 2- ethylhexyl group. The hydroxyalkyl group of the hydroxyalkyl acrylate or hydroxyalkyl methacrylate is preferably a hydroxyethyl group.
Un copolymère de (I) un acrylate ou un méthacrylate d'alkyle et (II) un acrylate ou un méthacrylate d'hydroxyalkyle est employé en tant que colloïde protecteur secondaire dans la polymérisation par suspension d'un monomère chlorure de vinyle. Le groupement alkyle de l'acrylate ou du méthacrylate d'alkyle est préférentiellement un groupement 2-éthylhexyle. Le groupement hydroxyalkyle de l'acrylate ou du méthacrylate d'hydroxyalkyle est de préférence un groupement hydroxyéthyle.
Ferguson Paul Andrew
Galligan Jill
Harvey Raymond John
Gowling Lafleur Henderson Llp
Ineos Technologies (vinyls) Limited
Ineos Vinyls Uk Ltd.
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