P(VDF-TrFE)和铜酞菁齐聚物的接枝与表征

为提高偏氟乙烯-三氟乙烯共聚物Po ly(V iny lidene fluoride-trifluoroethy lene),P(VDF-T rFE)]与铜酞菁齐聚物(Copper ph tha locyan ine o ligom er,o-CuP c)复合物的相容性,对聚合物进行化学修饰,赋予其活泼苄氯基团,进而与o-CuP c发生酯化反应,将其部分接枝到聚合物链上1。H-NM R和FT-IR表征证明了接枝的成功。透射电子显微镜(T ransm iss ion e lectron m icroscope,TEM)分析表明,与P(VDF-T rFE)和o-CuP c的共混物相比,所制备的接枝纳米复合物P(VDF-T rFE)-g-CuP c/CuP c]中o-CuP c的分散性大大提高;o-CuP c颗粒的粒径在60~100 nm之间,约相当于共混物中的1/6。

Synthesis and Characterization of P(VDF-TrFE) with Partially Grafted Copper Phthalocyanine Oligomer

The grafting approach is used to improve the compatibility between two components of the composite of poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE)] and copper phthalocyanine oligomer(o-CuPc).To facilitate the grafting process,P(VDF-TrFE) is chemically modified with active chloromethyl groups,and o-CuPc is partially grafted on the polymer via an esterification reaction.The successful graft polymerization is obtained from ~1H-NMR and FT-IR.The analysis of TEM morphologies shows that,compared with the blend of P(VDF-TrFE) and o-CuPc,the dispersibility of(o-CuPc) in the grafted nano-composite is remarkably improved,and the diameter of o-CuPc particulates is 60-100 nm,which is about 1/6 of that in the blend.