中文摘要：

采用等离子体引发的衰减链转移（DT）接枝聚合法,以丙烯酸（AA）为单体,碘仿为链转移剂,对聚丙烯（PP）薄膜进行表面改性。研究了水和N,N-二甲基甲酰胺（DMF）对等离子体引发聚合及等离子体引发DT聚合动力学的影响。结果表明,采用等离子体引发的方法可以实现DT可控-活性聚合,DMF介质中的可控性优于水介质,等离子体引发DT聚合的溶剂效应明显减弱,接枝量与转化率成正比关系并与FT-IR、接触角的表征结果相符。

英文摘要：

Polypropylene（PP）film was modified by plasma-initiated degenerative transfer（DT）graft polymerization with acrylic acid（AA）as monomer and iodoform as DT agent.Effects of both water and N,N-dimethylformamide（DMF）on the kinetic of plasma-initiated polymerization and its DT polymerization were investigated.Results showed that the plasma-initiated DT polymerization performed following a controlled-living mechanism.DMF was indicated an appropriate solvent for controlling molecular weight and PDI relative to water in the plasma-initiated DT polymerization.Less solvent effect was shown in the polymerization after introducing iodoform.For modified surfaces,graft amounts would proportionally increase with conversion,and was confirmed by results of FT-IR and contact angle.