Ion exchange resins with decreased resistance to ionic conductiv

Details Ion exchange resins with decreased resistance to ionic conductiv Ion exchange resins with decreased resistance to ionic conductiv

1994-04-20

1996-07-23

Kulkosky, Peter F.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

528496, B01J 4712

Patent

active

055390021

ABSTRACT:
Disclosed is a process of preparing an ion exchange membrane which comprises adding a highly hydrophilic solvent into a solution of an ion exchange resin containing an ion exchange group on the polymer chain, placing the solution into a membrane-forming vessel and forming a membrane by removing the solvent.
The ion exchange membrane prepared in accordance with the present invention exhibits the high degree of orientation so that the ionic conductivity can be elevated to provide the satisfactory cell performance.

REFERENCES:
patent: 3004904 (1961-10-01), Gregor et al.
patent: 4148979 (1979-04-01), Asami et al.
patent: 4433082 (1984-02-01), Grot
patent: 4535112 (1985-08-01), McCain
patent: 4595476 (1986-06-01), Bissot

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