Production of submicron-sized poly(methyl methacrylate) particles by dispersion polymerization with a poly(dimethylsiloxane)-based azoinitiator in supercritical carbon dioxide |
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| Authors: | M. Okubo S. Fujii H. Maenaka H. Minami |
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| Affiliation: | (1) Graduate School of Science and Technology, Kobe University Kobe 657-8501, Japan Tel.: +81-78-803-6161 e-mail: okubo@cx.kobe-u.ac.jp, JP;(2) Department of Chemical Science and Engineering, Faculty of Engineering Kobe University, Kobe 657-8501, Japan, JP |
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| Abstract: | Submicron-sized, comparatively monodisperse poly (methyl methacrylate) particles were produced by dispersion polymerization of methyl methacrylate with a poly(dimethylsiloxane)-based azoinitiator in supercritical carbon dioxide at 30 MPa for 24 h at 65 °C. The initiator operated not only as a radical initiator but also as a colloidal stabilizer, and was named an “inistab”. Received: 13 February 2001 Accepted: 20 June 2001 |
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| Keywords: | Supercritical carbon dioxide Poly(dimethylsiloxane)-based azoinitiator Dispersion polymerization Submicron-size Particle |
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