Preparation, characterization, and properties of chitosan-g-poly(vinyl alcohol) copolymer

被引:19
作者
Huang, MF [1 ]
Fang, Y [1 ]
机构
[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, Anhua 230026, Peoples R China
关键词
chitosan; chitosan-g-PVA; graft copolymers; esterification; thermal property;
D O I
10.1002/bip.20383
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The graft copolymer chitosan-g-poly(vinyl alcohol), with nontoxicity, biodegradability, and biocompatibility, was prepared by a novel method. The copolymer with porous net structure was observed by scanning electron microscopy (SEM). It is a potential method to combine chitosan with the synthetic polymers. The grafting reactions were conducted with various poly(vinyl alcohol) (PVA)/6-0-succinate-N-phthaloyl-chitosan (PHCSSA) feed ratios to obtain chitosan-g-poly(vinyl alcohol) copolymers with various PVA contents. The chemical structure of the chitosan-g-poly(vinyl alcohol) was characterized by Fourier transform infrared and nuclear magnetic resonance (NMR) spectroscopy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), and SEM were also detected to characterize the copolymer. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码:160 / 166
页数:7
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