ION-EXCHANGE MEMBRANE FOR ALKALI CHLORIDE ELECTROLYSIS

摘要

To provide an ion exchange membrane for alkaline chloride electrolysis having a low electric resistance and further having a sufficient mechanical strength. To employ an ion exchange membrane containing a polymer having units (U1).
Q 1 , Q 2 =a perfluoroalkylene group or the like; R f1 , R f2 =a perfluoroalkyl group or the like; X 1 =an oxygen atom or the like; a= 0 or the like; Y 1 =a fluorine atom or the like; r=0 or 1; and M=a hydrogen atom or an alkali metal atom.