Diaphragm for an electrolytic cell
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United States of America Patent
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-
Mar 7, 1989
Issued Date -
N/A
app pub date -
Nov 18, 1987
filing date -
Dec 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved diaphragm for an electrolytic cell is prepared by mixing a slurry of an additive, such as poly(ethylene chlorotrifluoroethylene), and asbestos fibers with a dispersion of titanium dioxide in isopropyl alcohol, depositing the treated asbestos fibers onto a cathode, heating the diaphragm to an elevated temperature of from about 100.degree. C. to about 400.degree. C., and allowing the diaphragm to cool. The diaphragm prepared according to this process exhibits improved mechanical strength and integrity as well as a decrease in electrical energy consumption in comparison to diaphragms prepared using conventional techniques.
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