期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 105, 期 1, 页码 129-135出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0022-1139(00)00308-0
关键词
fluorinated ionomers; lithium fluoroalkylsulfonates; lithium fluoroalkylsulfonimides; synthesis
Novel styrene and dimethylisophthalate monomers with pendant lithium fluoroalkylsulfonate or sulfonimide functional groups have been prepared from the corresponding phenolic intermediates. One route involves several steps and uses 1,2-dibromotetrafluoroethane as the key fluorinated intermediate. A second route with fewer steps utilizes a perfluoroalkylsulfonyl-substituted vinyl ether as the source of the fluorinated substituents but affords a product with significantly higher equivalent weight. (C) 2000 Elsevier Science S.A. All rights reserved.
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