Studies on the Degradation Behavior of Chitosan-g-Poly (acrylic acid) Copolymers

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题名:	Studies on the Degradation Behavior of Chitosan-g-Poly (acrylic acid) Copolymers
作者:	董崇民;Don, Trong-ming;Chuang, Chung-yang;Chiu, Wen-yen
贡献者:	淡江大學化學工程與材料工程學系
关键词:	Chitosan;Poly(acrylic acid);Graft Copolymer;Degradation;Lysozyme, Slurry
日期:	2002-12-02
上传时间:	2010-03-09 10:16:55 (UTC+8)
出版者:	淡江大學
摘要:	Graft copolymers of Chitosan and poly(acrylic acid) were synthesized with a redox initiator, cerium ammonium nitrate. After 2 h of reaction at 70 oC, a gel product was obtained. The swelling ratio of the copolymer in water depends on the pH value and has a maximum in the buffer solution at pH 7. This is because the morphological structure of the copolymers in the water changes with the pH values. In addition, the swelling ratio of the copolymer increases with the feeding amount of acrylic acid monomer. The degradation behavior of the copolymers was observed both in a lysozyme solution and an active slurry solution. The degradation rate was higher in the lysozyme solution and depended on the composition of the copolymers.
關聯:	淡江理工學刊=Tamkang journal of science and engineering 5(4), p.235-240
DOI:	10.6180/jase.2002.5.4.06
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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