Cathode for electrolysis of alkali metal chloride

Details Cathode for electrolysis of alkali metal chloride Cathode for electrolysis of alkali metal chloride

1981-08-27

1984-01-24

Edmundson, F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 98, 429 42, C25B 1104, H01M 462, H01M 486

Patent

active

044275234

ABSTRACT:
A porous cathode for electrolysis of an alkali metal chloride comprises a substrate and a coating comprising, a catalyst, a water repellent material and a pore forming agent. The water repellent material is a combination of a first fluorinated resin having a particle diameter of 0.1 to 20.mu. and a melting point of 300.degree. to 340.degree. C. and a second fluorinated resin having a particle diameter of 1 to 50.mu. and a melting point of 160.degree. to 320.degree. C. and said first resin has higher melting point than that of said second resin.

REFERENCES:
patent: 3668014 (1972-06-01), Katsoulis et al.
patent: 3778311 (1973-12-01), Metzger et al.
patent: 4035254 (1977-07-01), Gritzner
patent: 4214969 (1980-07-01), Lawrance
patent: 4236993 (1980-12-01), Muller et al.
patent: 4287032 (1981-09-01), Pellegri
patent: 4294893 (1981-10-01), Iemmi et al.
Iketa et al., Chemical Abstracts vol. 83, No. 24, Abstract 194757j, 12/75.
Ohishi et al., Chemical Abstracts, vol. 91, No. 24, Abstract 91:201221a 12/79.

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