Evaporation behavior of water from aqueous dispersions of multihollow particles prepared by the stepwise alkali/acid method |
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| Authors: | M Okubo A Sakauchi M Okada |
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| Institution: | (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 |
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| Abstract: | In order to clarify the formation mechanism of multihollow structures inside styrene–methacrylic acid copolymer particles
prepared by the stepwise alkali/acid method, which we proposed in 1990, the evaporation behavior of water from aqueous dispersions
of the original carboxylated particles and those after the alkali treatment and the stepwise alkali/acid treatments was examined.
It is concluded that the particle after the alkali treatment had a number of small water pools inside.
Received: 22 February 2001 Accepted: 20 June 2001 |
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| Keywords: | Evaporation behavior Multihollow Emulsion polymerization Stepwise alkali/acid method Styrene– methacrylic acid copolymer |
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