Production of micron-sized monodispersed composite polymer particles by seeded polymerization utilizing the dynamic swelling method |
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| Authors: | M. Okubo T. Yamashita T. Suzuki T. Shimizu |
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| Affiliation: | (1) Department of Chemical Science and Engineering Faculty of Engineering Kobe University Rokko, Nada, Kobe 657, Japan, JP |
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| Abstract: | In order to develop the seeded polymerization technique utilizing the dynamic swelling method (DSM) proposed by authors for the production of micron-sized mono-dispersed “composite” polymer particles consisting of two kinds of polymers, the seeded polymerization for the dispersion of ethyl methacry-late (EMA)-swollen PS particles prepared utilizing DSM was carried out. Monodispersed PS/poly(ethyl methacrylate) (PEMA) composite particles having 7 μm in diameter were produced by the addition of NaCl to lower the solubility of EMA in medium and by the addition of CuCl2 as a water-soluble inhibitor to depress the by-production of submicron-sized PEMA particles. Received: 16 July 1996 Accepted: 10 October 1996 |
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| Keywords: | Dynamic swelling method micron size monodisperse composite seeded polymerization |
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