期刊
EUROPEAN POLYMER JOURNAL
卷 40, 期 12, 页码 2739-2744出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2004.07.016
关键词
chitosan; polycaprolactone; graft copolymers
The graft copolymers of chitosan with polycaprolactone (PCL were prepared through a protection-graft-deprotection route using phthaloylchitosan as intermediate. PCL macromonomers terminated with isocyanate groups reacted with hydroxyl groups of phthaloyl-protected chitosan regioselectively, and then phthaloyl groups were deprotected to give the free amino groups. The graft reaction was carried out in homogeneous system and yielded copolymers with high grafting content due to solubilization. FTIR, NMR and XRD were detected to characterize the resultant chitosan graft-PCL copolymers. (C) 2004 Elsevier Ltd. All rights reserved.
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