Polymer electrolyte membrane for use in fuel cells and electroly

Details Polymer electrolyte membrane for use in fuel cells and electroly Polymer electrolyte membrane for use in fuel cells and electroly

1995-05-19

1998-04-21

Berman, Susan W.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

522149, 522164, 522904, 522905, 528128, 528175, 528226, 528229, 525471, 204292, 249 33, C25B 1308, C25C 704

Patent

active

057414084

ABSTRACT:
In order to produce a polymer electrolyte membrane from sulfonated, aromatic polyether ketone, an aromatic polyether ketone of the formula (I) ##STR1## in which Ar is a phenylene ring having p- and/or m-bonds,

REFERENCES:
patent: 4755540 (1988-07-01), Blakey
patent: 5028337 (1991-07-01), Linder et al.
patent: 5254223 (1993-10-01), Josowicz et al.
German Abstract DE 3402-471-A, Jan 25, 1984.
German Abstract DE 3321-860-A, Jun. 16, 1983.
Journal of Polymer Science: Polymer Chemistry Edition, vol. 22, 295-301 (1984) entitled "Polyaromatic Ether-Ketone Sulfonamides Prepared from Polydiphenyl Ether-Ketones by Chlorosulfonation and Treatment with Secondary Amines".

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