高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (S1): 319.

• Chemistry in Materials Sciences • 上一篇    下一篇

Studies on Adsorption Property for Metal Ions of Carboxymethyl Chitosan

LIN You-Wen, CHEN Wei, LUO Hong-Bin, LI Chun-Yan, LIN Xin-Hua   

  1. Deportment of Chemistry, Fujian Medical University, Fuzhou 350004
  • 出版日期:2000-12-31 发布日期:2000-12-31

Studies on Adsorption Property for Metal Ions of Carboxymethyl Chitosan

LIN You-Wen, CHEN Wei, LUO Hong-Bin, LI Chun-Yan, LIN Xin-Hua   

  1. Deportment of Chemistry, Fujian Medical University, Fuzhou 350004
  • Online:2000-12-31 Published:2000-12-31

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摘要：

Chitosan is a polymer, which contains β-1, 4-linked α-amino-2-deoxy-D-glucopyranose repeat units and is easily derived from chitin by N-deacetylation. Since chitosan is biodegradable, relatively nontoxic, nonimmunogenic, much research has been directed toward its use in medical applications[1].It also has been suggested for use as chelating agent for metals, since the primary amino group and hydroxyl functionalities at the ring[2]. Chitosan is only soluble in aqueous solution of some acids, so it becomes a limitation. The carboxymethyl chitosan (CMCS),a water-soluble derivative of chitosan, was synthesized by chemical modification with ClCH2COOH and chitosan[3]. It was amphoteric polyelectolyte with stronger chelating ability for metals because of introduction of-COOH.

Abstract:

Chitosan is a polymer, which contains β-1, 4-linked α-amino-2-deoxy-D-glucopyranose repeat units and is easily derived from chitin by N-deacetylation. Since chitosan is biodegradable, relatively nontoxic, nonimmunogenic, much research has been directed toward its use in medical applications[1].It also has been suggested for use as chelating agent for metals, since the primary amino group and hydroxyl functionalities at the ring[2]. Chitosan is only soluble in aqueous solution of some acids, so it becomes a limitation. The carboxymethyl chitosan (CMCS),a water-soluble derivative of chitosan, was synthesized by chemical modification with ClCH2COOH and chitosan[3]. It was amphoteric polyelectolyte with stronger chelating ability for metals because of introduction of-COOH.

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