Preparation of nonspherical polymer particles by spraying aqueous dispersions of hydrophobic solvent droplets into methanol

被引：11
|
作者：
Okubo, M [1 ]
Konishi, Y
Sebki, S
Minami, H
机构：
[1] Kobe Univ, Grad Sch Sci & Technol, Kobe, Hyogo 6578501, Japan
[2] Kobe Univ, Fac Engn, Dept Sci & Chem Engn, Kobe, Hyogo 6578501, Japan
来源：
COLLOID AND POLYMER SCIENCE | 2002年 / 280卷 / 08期
关键词：
nonspherical shape; particle; solvent; interfacial tension;
D O I：
10.1007/s00396-002-0668-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nonspherical polymer particles were prepared by spraying an aqueous dispersion of hydrophobic solvent droplets (containing dissolved polymers) into methanol. Nonspherical particles were prepared for polystyrene and poly(methyl methacrylate), and spherical particles were prepared for poly(ethyl methacrylate) and poly(i-butyl methacrylate). It is concluded that condensation of the polymer molecules at the interface of the droplet is a key factor for the formation of nonspherical polymer particles.
引用
收藏
页码：765 / 769
页数：5
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