Preparation of micron-sized, monodispersed, “onion-like” multilayered poly(methyl methacrylate)/polysterene composite particles by reconstruction of morphology with the solvent-absorbing /releasing method |
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Authors: | M. Okubo R. Takekoh J. Izumi |
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Affiliation: | (1) Department of Chemical Science and Engineering, Faculty of Engineering Kobe University, Kobe 657-8501, Japan e-mail: okubo@cx.kobe-u.ac.jp, JP;(2) Graduate School of Science and Technology, Kobe University Kobe 657-8501, Japan, JP |
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Abstract: | Micron-sized, monodispersed, “onion-like” multilayered poly(methyl methacrylate) (PMMA)/polystyrene (PS) (1/1, w/w) composite particles were prepared by the solvent-absorbing/releasing method (SARM). The viscosity within toluene-swollen composite particles, the release rate of toluene therefrom, the PMMA/PS ratio, and the kind of solvent had great influences on the reconstruction of the morphology of the PMMA/PS composite particles by the SARM. From these results, the conditions for the preparation of the multilayered composite particles by the SARM are clarified. Received: 28 September 2000 Accepted: 27 October 2000 |
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Keywords: | Solvent absorbing/releasing method Multilayer Morphology Micron-size Monodisperse |
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