Method of preparing a resin-containing asbestos diaphragm

Details Method of preparing a resin-containing asbestos diaphragm Method of preparing a resin-containing asbestos diaphragm

C - Chemistry, Metallurgy

25

B

18/18, 204/201

C25B 13/06 (2006.01) C25B 1/46 (2006.01) C25B 13/04 (2006.01)

Patent

CA 1128264

Abstract Disclosed is a method of preparing a resin-containing asbestos diaphragm. The diaphragm is prepared by depositing asbestos fibers and resin from an aqueous slurry onto a liquid permeable cathode and subse- quently heating the deposited asbestos fibers and resin to cause the resin to bound the asbestos fibers together. As disclosed, air flow is maintained through the diaphragm until the diaphragm is substantially free of entrained water. The heated air is maintained at a temperature below the boiling tem- perature of entrained water so as to avoid boiling the entrained water. Thereafter, the temperature of the deposited diaphragm is heated to cause the resin to bind the asbestos fibers together.

326537

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