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

✍ Scribed by Meifang Huang; Yue'e Fang

• Publisher: Wiley (John Wiley & Sons)
• Year: 2006
• Tongue: English
• Weight: 316 KB
• Volume: 81
• Category: Article
• ISSN: 0006-3525
• DOI: 10.1002/bip.20383

✦ Synopsis

Abstract

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‐O‐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. © 2005 Wiley Periodicals, Inc. Biopolymers 81: 160–166, 2006

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