'Radical-controlled' oxidative polymerization of o-cresol catalyzed by μ-η2:η2-peroxo dicopper(II) complex

被引：25
|
作者：
Higashimura, H
Fujisawa, K
Moro-oka, Y
Kubota, M
Shiga, A
Uyama, H
Kobayashi, S
机构：
[1] Japan Chem Innovat Inst, Joint Res Ctr Precis Polymerizat, Tsukuba, Ibaraki 3058565, Japan
[2] Sumitomo Chem Co Ltd, Tsukuba Lab, Tsukuba, Ibaraki 3003294, Japan
[3] Tokyo Inst Technol, Res Lab Resources Utilizat, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[4] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Sakyo Ku, Kyoto 6068501, Japan
[5] Natl Inst Mat & Chem Res, Tsukuba, Ibaraki 3058565, Japan
来源：
APPLIED CATALYSIS A-GENERAL | 2000年 / 194卷
关键词：
oxidative polymerization; o-cresol; catalyst;
D O I：
10.1016/S0926-860X(99)00388-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Described is an oxidative polymerization of o-cresol catalyzed by (1,4,7-triisopropyl-1,4,7-triazacyclononane)copper complex, from which a mu-eta(2) : eta(2): eta(2)-peroxo dicopper(II) complex is formed under dioxygen. This complex reacts with o-cresol to give 'controlled' phenoxy radical-copper(I) complex exclusively without formation of 'free' phenoxy radicals. The resulting polymer was composed mainly of 2-methyl-1,4-phenylene oxide unit and showed high thermal stability. The polymerization catalyzed by (N,N,N',N'-tetramethylethylenediamine)copper complex,a typical-catalyst for 2,6-dimethylphenol polymerization, gave the polymer containing larger amounts of o-linkage structures and quinone moieties, (C) 2000 Elsevier Science B,V. All rights reserved.
引用
收藏
页码：427 / 433
页数：7
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