单丽娟,刘仕伟,李露,于世涛,刘福胜,解从霞

• 1:青岛科技大学化工学院
• 2:青岛科技大学化学与分子工程学院

摘要(Abstract)：

合成了多种氨基酸类离子液体,筛选出对壳聚糖溶解和助氧化降解性能较佳的离子液体甘氨酸盐酸盐—[Gly]Cl。以其水溶液为反应介质,考察了反应时间、反应温度和反应物配比对壳聚糖氧化降解反应的影响,得到较佳的反应条件:壳聚糖2g、[Gly]Cl(2%(wt))水溶液40mL、H2O2与糖壳聚糖单元的摩尔比3、反应温度80℃、反应时间2h。在该条件下,甲壳低聚糖的收率达76%,其黏均分子量为2005,具有良好的水溶性。离子液体回收后可重复使用,并具有良好的重复使用性能。

关键词(KeyWords)： 离子液体;壳聚糖;过氧化氢;氧化降解

Abstract:

Keywords:

基金项目(Foundation): 国家863计划(2009AA03Z426);; 国家自然科学基金(20876080);; 山东省高新技术自主创新工程专项计划(2007ZCB01369);; 山东省自然科学基金(Y2007B17)

作者(Author): 单丽娟,刘仕伟,李露,于世涛,刘福胜,解从霞

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