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Formation mechanism of a multihollow structure within submicron-sized styrene/methacrylic acid copolymer particles by the stepwise acid/alkali method
Authors:Masayoshi Okubo  Atsuko Sakauchi  Masahiro Okada
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 Tel.: +81-78-8036161 Fax: +81-78-8036205, JP
Abstract: The formation mechanism of a multihollow structure within submicron-sized styrene/methacrylic acid copolymer particles by the stepwise alkali/acid method, which we proposed in 1990, was discussed thermodynamically from the viewpoint of interfacial free energy. Received: 6 March 2001 Accepted: 17 May 2001
Keywords:  Interfacial free energy  Multihollow  Emulsion polymerization  Stepwise alkali/acid method  Swelling
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