Controlled radical copolymerization of N-vinylpyrrolidone with 1,1,1,3,3,3-hexafluoroisopropyl-α-fluoroacrylate

被引：15
|
作者：
Zaitsev, S. D. [1 ]
Semchikov, Yu. D. [1 ]
Chernikova, E. V. [2 ]
机构：
[1] Lobachevskii Nizhni Novgorod State Univ, Nizhnii Novgorod 603950, Russia
[2] Moscow MV Lomonosov State Univ, Fac Chem, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES B | 2009年 / 51卷 / 3-4期
基金：
俄罗斯基础研究基金会;
关键词：
FRAGMENTATION CHAIN TRANSFER; RAFT PROCESS; BLOCK-COPOLYMERS; MALEIC-ANHYDRIDE; POLYMERIZATION; STYRENE; STARS;
D O I：
10.1134/S1560090409030026
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Narrow disperse copolymers of N-vinylpyrrolidone with 1,1,1,3,3,3-hexafluoroisopropyl-alpha-fluoroacrylate have been prepared for the first time by reversible addition fragmentation chain transfer pseudo-living radical polymerization in the presence of benzyl dithiobenzoate. The relative activities of the monomers indicating the occurrence of alternating copolymerization have been estimated. The copolymerization of equimolar N-vinylpyrrolidone-1,1,1,3,3,3-hexafluoroisopropyl-alpha-fluoroacrylate mixtures shows typical features of reversible addition fragmentation chain transfer pseudoliving radical polymerization: deceleration of polymerization compared to the classical radical process, degeneration of the gel effect, successive increase in the number-average molecular mass with conversion, and formation of narrow disperse copolymers.
引用
收藏
页码：84 / 88
页数：5
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