Stereogradient Polymers Formed by Controlled/Living Radical Polymerization of Bulky Methacrylate Monomers

被引:72
作者
Ishitake, Kenji [1 ]
Satoh, Kotaro [1 ]
Kamigaito, Masami [1 ]
Okamoto, Yoshio [2 ]
机构
[1] Nagoya Univ, Grad Sch Engn, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan
基金
日本学术振兴会;
关键词
block copolymers; polymerization; RAFT; stereogradient polymers; tacticity control; TRIPHENYLMETHYL METHACRYLATE; ASYMMETRIC POLYMERIZATION; BLOCK COPOLYMERIZATION; METHYL METHACRYLATE; OPTICAL RESOLUTION; STEREOREGULATION; EQUILIBRIUM; MECHANISM;
D O I
10.1002/anie.200805168
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Life RAFT: A bulky methacrylate monomer, triphenylmethyl methacrylate (TrMA), was polymerized with reversible addition-fragmentation chain transfer (RAFT) agents. Stereogradient polymers in which the isospecificity increased spontaneously as the monomer concentration decreased were formed by a polymerization-depolymerization equilibrium that can convert a less stable growing polymer terminal into a more stable form (see picture). © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:1991 / 1994
页数:4
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