Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10468
Title: Synthesis of amphiphilic microspheres by suspension copolymerization of styrene and poly(ethylene oxide) macromonomer
Authors: Li, W
Ding, XB
Zheng, ZH
Zhang, WC
Deng, JG
Peng, Y
Chan, ASC
Yip, CW
Keywords: Amphiphilic polymer
Microspheres
Poly(ethylene oxide)
Suspension copolymerization
Issue Date: 2001
Publisher: Wiley-Blackwell
Source: Journal of applied polymer science, 2001, v. 81, no. 2, p. 333-339 How to cite?
Journal: Journal of Applied Polymer Science 
Abstract: Amphiphilic microspheres, ranging in size from 3 to 35 μm, were prepared by suspension copolymerization of styrene with poly(ethylene oxide) vinylbenzyl (PEO-VB) macromonomer by changing polymerization conditions. It was found that an increase in the amount of dispersant and the PEO-VB concentration resulted in decreases of the size and size distribution of amphiphilic microspheres. The morphology, size, and size distribution of amphiphilic microspheres were characterized by scanning electron microscopy. The structure of copolymer was confirmed by infrared spectroscopy, differential scanning calorimetry, elemental analysis, and X-ray photo-electron spectroscopy. The content of the hydroxyl groups localized in the microspheres ranged from 0.05 to 0.2 mmol/g.
URI: http://hdl.handle.net/10397/10468
ISSN: 0021-8995
DOI: 10.1002/app.1443
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