A carbene insertion approach to functionalised poly(ethylene oxide)-based gels

被引：29

作者：

Blencowe, Anton ^{[1
]}

Blencowe, Chris ^{[1
]}

Cosstick, Kevin ^{[2
]}

Hayes, Wayne ^{[1
]}

机构：

[1] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England

[2] Invista UK, Middlesbrough TS6 8JJ, Cleveland, England

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2008年 / 68卷 / 04期

关键词：

carbene; diazirine; poly(ethylene oxide); gel;

D O I：

10.1016/j.reactfunctpolym.2007.12.009

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Carbenes photogenerated from the novel bisdiazirine, 1, 3-bis(3-(trifluoromethyl)diazirin-3-yl) benzene 1, have been applied successfully to cross-linking of mono-methyl poly(ethylene oxide) (MePEO5000) in the presence of dichloromethane, leading to the simultaneous incorporation of alkylhalide functionalities. The PEO-based gels swell in a wide range of solvents with polarity index values varying from 3.1 to 9.0. Reaction of the alkylhalide functionalities present in the gels with 4-phenylazophenol provided loading capacities of up to 0.20 mmol g(-1) and demonstrated the potential of these materials for gel-phase synthesis applications. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：868 / 875

页数：8

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