Synthesis of poly(ether ether ketone) containing sodium sulfonate groups as gas dehumidification membrane material
作者： Feng Wang , Tianlu Chen , Jiping Xu
DOI: 10.1002/(SICI)1521-3927(19980201)19:2<135::AID-MARC135>3.0.CO;2-7
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摘要: Poly(ether ether ketone) (PEEK) containing sodium sulfonate groups can be prepared directly from 2,5-dihydroxybenzenesulfonate and 4,4′-difluorobenzophenone. This method is more advantageous than sulfonation of PEEK, avoiding possible degradation crosslinking. The polymer shows high permeability water vapor selectivity permeation versus nitrogen used as gas dehumidification membrane material.
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