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。

Novel chiral polymer stationary phases were prepared by free-radical polymerization of 3 on silica gel.

3在丙烯酰化硅胶表面发生自由基聚合反应，得到用于高效液相色谱柱的新型高分子手性固定相。

The inhibition and retardation effects of N, N-diethylhdroxyamine (DEHA) on free radical polymerization of styrene were investigated by dilatometry .

利用膨胀计研究了二乙基羟胺（DEHA）对苯乙烯自由基聚合的阻聚和缓聚作用。