Abstract
Cationic graft-polymerizations of 2-methyl-2-oxazoline on p-nitrobenzenesulfonate group-introduced silica composite particles, prepared by polymer coating of monodispersed colloidal silica of 470 nm in diameter, were studied. Ring-opening polymerization of the oxazoline was observed to take place on poly(styrene)-coated silica particles, derived from radical copolymerization of styrene, hydroxymethylstyrene and divinylbenzene, but most grafted polymer chains were dragged out for lack of cross-linking in the copolymer layer. The polymerization of the oxazoline on the composite surface, made from poly(maleic anhydride-styrene)-modified silica particles, led to the grafting of oligomer chains of octamer or nanomer, which were terminated by reaction with water molecules inside the particles.
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Yoshinaga, K., Hidaka, Y. Cationic Graft-Polymerization of 2-Methyl-2-oxazoline on Monodispersed Polymer-Coated Ultrafine Silica Particles. Polym J 26, 1070–1079 (1994). https://doi.org/10.1295/polymj.26.1070
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DOI: https://doi.org/10.1295/polymj.26.1070
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