Radical homo- and copolymerizations of methyl alpha-trifluoroacetoxyacrylate

被引：0
|
作者：
Tanaka, H
Takeichi, T
Hongo, T
机构：
[1] Dept. of Optical Sci. and Technology, Faculty of Engineering, Tokushima University, Tokushima 770
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1997年 / 35卷 / 16期
关键词：
radical polymerization; captodative olefin; methyl alpha-trifluoroacetoxyacrylate; alternating copolymerization;
D O I：
10.1002/(SICI)1099-0518(19971130)35:16<3537::AID-POLA20>3.0.CO;2-F
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Radical homo- and copolymerizations of methyl alpha-trifluoroacetoxyacrylate (MTFAA) are studied by using azo initiators at 40 and 60 degrees C. The rate of the homopolymerization of MTFAA was lower than that of methyl alpha-acetoxyacrylate. Monomer reactivity ratios (r), and Q and e values were estimated to be r(1) = 0.03, r(2) = 0.27, Q(1) = 0.65, and e(1) = 1.38 from the copolymerization of MTFAA (M-1) and styrene (M-2) at 60 degrees C. Preferential crosspropagation was observed in particular in the copolymerization of MTFAA and alpha-methylstyrene. The influence of replacing the hydrogens of the acetoxy moiety of the acyloxyacrylate with the fluorines upon the copolymerization reactivity is discussed on the basis of the C-13-NMR chemical shift of various acyloxyacrylates. (C) 1997 John Wiley & Sons, Inc.
引用
收藏
页码：3537 / 3541
页数：5
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