从完全脱乙酰壳聚糖出发,合成了N-烷基壳聚糖.研究了壳聚糖以及N-烷基壳聚糖的甲酸浓溶液中添加不同类型、不同离子强度的小分子电解质时溶致液晶临界浓度(C)的变化规律.实验结果表明:C*随小分子电解质离子强度的增加而降低;随小分子电解质正离子半径的增加而降低;随壳聚糖衍生物的取代度的减少而降低.C*降低主要通过减小分子链有效半径来实现.
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