| N-乙酰化制备水溶性壳聚糖研究 |
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| 引用本文： | 李峻峰,赖雪飞,张佩聪,王燕. N-乙酰化制备水溶性壳聚糖研究[J]. 广州化工, 2010, 38(7): 115-117 |
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| 作者姓名： | 李峻峰 赖雪飞 张佩聪 王燕 |
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| 作者单位： | 成都理工大学材料科学技术研究所,四川,成都,610059;四川大学化学工程学院,四川,成都,610065 |
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| 摘 要： | 以高脱乙酰度壳聚糖为原料,在不使用吡啶的无水乙醇均相体系中用乙酸酐通过N-乙酰化制备了水溶性壳聚糖,采用酸碱滴定、XRD、IR对壳聚糖原料和所制得水溶性壳聚糖的脱乙酰度、结晶状态、红外光谱分别进行了测试分析,并探讨了水溶性壳聚糖的结构与水溶性机理。
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| 关 键 词： | 水溶性壳聚糖 N-乙酰化 脱乙酰度 |
Research on Preparation of Water-soluble Chitosan by N-acetylating |
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| LI Jun-feng,LAI Xue-fei,ZHANG Pei-cong,WANG Yan. Research on Preparation of Water-soluble Chitosan by N-acetylating[J]. GuangZhou Chemical Industry and Technology, 2010, 38(7): 115-117 |
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| Authors: | LI Jun-feng LAI Xue-fei ZHANG Pei-cong WANG Yan |
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| Affiliation: | 1 Institute of Material Science and Technology,Chengdu University of Technology,Sichuan Chengdu 610059;2 College of Chemical Engineering,Sichuan University,Sichuan Chengdu 610065,China) |
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| Abstract: | Using chitosan with high degree of deacetylation as raw material,a water-soluble chitosan was synthesized using acetic anhydride by N-acetylating reaction in homogenous system of anhydrous alcohol without pyridine.The deacetylation degree,crystalline properties and infrared spectrum were respectively characterized by means of acid-base titration,XRD and IR.And the molecular structure and water-solution mechanism of water-soluble chitosan were discussed. |
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| Keywords: | water-soluble chitosan N-acetylation deacetylation degree |
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