Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1974-10-15
1976-03-16
Kaplan, G. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204 98, 204128, 204252, 204283, 204296, C25B 1300, C25C 704
Patent
active
039444775
ABSTRACT:
In an electrolytic cell for the production of halogen and caustic from an aqueous alkali metal halide solution containing anode and cathode compartments separated by a diaphragm an improved diaphragm is provided. The diaphragm is a porous sheet material made of a tetrafluoroethylene polymer having a low amorphous content and a micro-structure characterized by nodes interconnected by fibrils having a porosity of about 50 to 90 percent and a very tortuous path of interconnection. The improved diaphragm has an extremely long service life.
BASF Wyandotte Corporation
Dunn Robert E.
Kaplan G. L.
Linkhauer John W.
Prescott A. C.
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