Ultrasound-induced formation of polymer capsules by precipitation with compressed CO2

被引：0
|
作者：
Zhang, Jianling [1 ]
Liu, Zhimin [1 ]
Han, Buxing [1 ]
Li, Zhonghao [1 ]
Sun, Donghai [1 ]
Chen, Jing [1 ]
机构：
[1] Center for Molecular Sciences, Group 111, Chinese Academy of Sciences, P.O. Box 2709, Beijing 100080, China
来源：
European Polymer Journal | 2004年 / 40卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Carbon dioxide - Degradation - Membranes - Molecular weight - Multilayers - Polymethyl methacrylates - Polystyrenes - Precipitation (chemical) - Solvents - Ultrasonics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel route to synthesize polymer hollow capsules was proposed by combination of CO2 antisolvent (poor solvent) and ultrasound techniques. In this method, a polymer in solution was precipitated by dissolving compressed CO2 antisolvent into the polymer solution, during which the ultrasonic irradiation was introduced. The hollow nanospheres and nanotubes of polystyrene (PS) and poly(methyl methacrylate) (PMMA) have been successfully prepared. This method has some potential advantages for applications, such as simple, rapid, without the use of template, and the solution can be easily recycled. © 2004 Elsevier Ltd. All rights reserved.
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页码：1349 / 1353
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