Preparation of micrometer-sized, monodisperse, hollow polystyrene/poly(ethylene glycol dimethacrylate) particles with a single hole in the shell

被引：14
作者：
Ito, Mizuki [1 ]
Furukawa, Yumiko [1 ]
Minami, Hideto [1 ]
Okubo, Masayoshi [1 ]
机构：
[1] Kobe Univ, Grad Sch Engn, Kobe, Hyogo 6578501, Japan
来源：
COLLOID AND POLYMER SCIENCE | 2008年 / 286卷 / 11期
基金：
日本学术振兴会;
关键词：
micrometer size; monodisperse; hollow polymer particle; single hole; phase separation;
D O I：
10.1007/s00396-008-1897-8
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：
Micrometer-sized, monodisperse, hollow polystyrene (PS)/poly(ethylene glycol dimethacrylate) (PEGDM) composite particles with a single hole in the shell were prepared by seeded polymerization using (ethylene glycol dimethacrylate/xylene)-swollen PS particles in the presence of sodium dodecyl sulfate (SDS). Single holes were observed at SDS concentrations above 3 mM, much lower than in the PS/polydivinylbenzene (PDVB) system previously reported (above 45 mM). Phase separation inside droplets occurred at lower conversion in the PEGDM system than the PDVB system. Phase separation in the droplet at the early stage of the polymerization is an important factor for the formation of the single hole in the shell.
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收藏
页码：1335 / 1341
页数：7
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