A spectacular increase in the polymerisation rate of 2,6-dimethylphenol induced by acetonitrile

被引:39
作者
Gamez, P [1 ]
Simons, C [1 ]
Steensma, R [1 ]
Driessen, WL [1 ]
Challa, G [1 ]
Reedijk, J [1 ]
机构
[1] Leiden Univ, Gorlaeus Labs, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands
关键词
poly(2,6-dimethyl-1,4-phenylene ether); poly(1,4-phenylene ether); phenol oxidative coupling; acetonitrile; copper catalysis; 1-methylimidazole (meim);
D O I
10.1016/S0014-3057(00)00259-7
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The oxidative polymerisations of 2,6-dimethylphenol with copper-(1-methylimidazole) complexes as the catalyst precursor compounds in different solvents showed the catalysts to be extremely active when using acetonitrile. Acetonitrile can act as a labile ligand for copper and also prevent the catalyst to become poisoned due to hydrolysis. Addition of increasing amounts of water leads to a progressive deactivation of the catalyst. (C) 2001 Published by Elsevier Science Ltd.
引用
收藏
页码:1293 / 1296
页数:4
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