A technique is described for the synthesis of polystyrene-block-poly(vinylidene fluoride)-block-polystyrene (St-VDF-St) triblock copolymers through a poly(vinylidene fluoride) macroinitiator. The bromine terminated poly(vinylidene fluoride), which was prepared by radical telomerization of vinylidene fluoride with 1,2-dibromotetrafluoroethane, initiated polymerization of styrene in presence of copper(I) bromide and a,a-bispyridine complexes. It was found that molecular weights increased linearly in styrene conversion and polydispersities were low. The macroinitiator and block copolymers were characterized by g.p.c. and n.m.r.
Посилання на статтю:
Polymer Communication Synthesis of fluorine-containing block copolymers via ATRP 1. Synthesis and characterization of PSt-PVDF-PSt triblock copolymers / Zhaobin Zhang, Shengkang Ying, Zhiqing Shi // Polymer. – 1999. – N 40. – P. 1341–1345.