Abstract
Micron-size monodisperse polymer microspheres having chloromethyl groups thereon were prepared by two-step polymerization process as follows. First, micron-size monodisperse polystyrene particles were prepared by dispersion polymerization with 2,2′-azobisisobutyronitrile as initiator in ethanol-water medium in the presence of poly(acrylic acid) as stabilizer under various conditions. Secondly, in the presence of the 1.9-Μm monodisperse polystyrene particles produced under the optimum conditions, seeded copolymerization for styrene and chloromethyl styrene was carried out. The seeded copolymerization proceeded smoothly without producing new particles, and it was confirmed by x-ray photoelectron spectroscopy that the chloromethyl group existed more at the surface of the produced microsphere than at that of film cast from the benzene solution in which the microspheres were dissolved.
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Part CVI of the series “Studies on Suspension and Emulsion”.
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Okubo, M., Ikegami, K. & Yamamoto, Y. Preparation of micron-size monodisperse polymer microspheres having chloromethyl group. Colloid & Polymer Sci 267, 193–200 (1989). https://doi.org/10.1007/BF01410575
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DOI: https://doi.org/10.1007/BF01410575