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投稿时间：2016-09-21
投稿时间：2016-09-21
中文摘要: 采用二甲基亚砜（DMSO）体系制备 N-琥珀酰壳聚糖。试验考察反应温度、氨基/酸酐摩尔比和反应时间对 N-琥 珀酰壳聚糖取代度的影响，并对壳聚糖及其衍生物膜的机械性能进行测定分析。结果表明，壳聚糖经碱处理后，当反应 温度 60 ℃，氨基/酸酐摩尔比 1 ∶ 2，反应时间 6 h，N-琥珀酰壳聚糖取代度最高可达 0.61。试验发现：添加甘油的 N-琥珀 酰壳聚膜机械性能较壳聚糖膜机械延展性能明显增强。
Abstract:Dimethyl sulfoxide system was used to prepare N-succinyl chitosan. The influences of the reaction temperature， the mole ratio of amino group of chitosan to anhydride and the reaction time on the degree of sub－ stitution were investigated respectively. The degree of substitution of N-succinyl chitosan could achieve 0.61 when the chitosan was treated by diluted alkali， the reaction temperature was 60 ℃， the mole ratio of anhydride to amino group was 1 ∶ 2 and the reaction time was 6 h. It was found that N-succinyl chitosan membrane me－ chanical ductility properties could significantly enhance when glycerol was added to chitosan membrane.
文章编号：201712005 中图分类号： 文献标志码：A
基金项目:吉林省科技发展计划项目（20140101099JC）；吉林省教育 厅“十三五”科学技术研究项目（吉教科合字[2016]第 300 号）
| Author Name | Affiliation |
| WANG Xi， ZHAO Jun*， WU Xiu-li， JIANG Xue， YIN Li-ying | College of Food Science and Engineering，Changchun University，Changchun 130012， Jilin， China |
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