Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1978-04-11
1980-02-19
Henderson, C. A.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
20415918, 204252, 260 296F, 260 334F, 525200, 525331, 525336, 521 18, 521 27, 521 31, 521 33, 526344, C25B 1308, C08F 842, C08F 840
Patent
active
041893697
ABSTRACT:
Certain fluoropolymers, when chemically modified by reacting them with sulfur or phosphorus containing compounds, become hydrophilic materials useful for making ion-exchange membranes, especially diaphragms for electrolytic cells, particularly chlor-alkali cells used in the production of chlorine, hydrogen and sodium hydroxide from brine.
REFERENCES:
patent: 2913449 (1959-11-01), Hoerger
patent: 3551394 (1970-12-01), Sakuragi
patent: 3692569 (1972-09-01), Grot
patent: 3696084 (1972-10-01), Gordon
patent: 3960697 (1976-06-01), Kircher
patent: 4085071 (1978-04-01), Resnick
Szmant, H. H., Organic Chemistry, Prentice Hall (N.J.), 1957, p. 196.
E. I. Du Pont de Nemours and Company
Henderson C. A.
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