The paper reviewed the modification of chitosan by free radical polymerization and atom transfer radical polymerization(ATRP), emphasized the application of ATRP on graft copolymerization of chitosan.

综述了普通自由基聚合和原子转移自由基聚合（ATRP）反应对壳聚糖及其衍生物进行修饰改性的研究现状。着重介绍了ATRP技术在壳聚糖接枝改性方面的应用。

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