Preparation of polystyrene/poly(methyl methacrylate) composite particles having a dent

被引：0
作者：
Masayoshi Okubo
Naohiko Saito
Teruhisa Fujibayashi
机构：
[1] Kobe University,Graduate School of Science and Technology
[2] Kobe University,Department of Chemical Science and Engineering, Faculty of Engineering
来源：
Colloid and Polymer Science | 2005年 / 283卷
关键词：
Phase separation; Hemispherical structure; Dent; Morphology; Particle/medium interface;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nonspherical polystyrene (PS)/poly(methyl methacrylate) (PMMA) composite particles having a dent were prepared by releasing toluene from PS/PMMA/toluene droplets dispersed in a poly(vinyl alcohol) aqueous medium. An ex-centered PS-core/PMMA-shell morphology, in which a part of the PS core contacted with the aqueous medium and toluene partitioned more in the PS core than in the PMMA shell, was formed in the polymers/toluene droplet in the process of phase separation therein with releasing toluene. The volume of the dent became bigger with an increase in the PS content and in the toluene content partitioned in the PS core.
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页码：691 / 698
页数：7
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