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甲壳素、壳聚糖由于分子间存在强的氢键作用,影响其溶解性能,使其应用受到了限制。为了改善其溶解性,拓宽应用范围,有必要对其进行化学修饰。本文详述了甲壳素和壳果糖的羟基化、酰化、席夫碱、醚化、酯化、水解及接枝共聚、氧化等化学修饰反应与应用。
Chitin, chitosan due to the existence of strong hydrogen bonds between molecules, affecting its solubility, its application has been limited. In order to improve its solubility, broaden the scope of application, it is necessary to carry out chemical modification. This article details the reaction and application of chitin and shell fructose hydroxylation, acylation, Schiff base, etherification, esterification, hydrolysis and graft copolymerization, oxidation and other chemical modification.