通过化学引发接枝4 -乙烯基吡啶，对聚丙烯非织造布进行表面改性。

The surface of PP nonwoven cloth was modified through a chemically induced grafting of 4-vinyl pyridine onto it.

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综述了近十年化学引发合成淀粉接枝共聚物的研究进展。

This paper describes the recent advances, in the synthesis of starch graft copolymers by chemical initiation.

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用化学滴定法测定了接枝物的接枝率，考察了接枝率与单体，引发剂和时间的关系。

The grafting ratio of each sample was accurately measured by titration. The relationships between grafting ratios and monomer, initiator, and time were investigated.

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