Method of preparing asbestos diaphragms for electrolysis cell

Details Method of preparing asbestos diaphragms for electrolysis cell Method of preparing asbestos diaphragms for electrolysis cell

1978-02-21

1980-06-17

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Including solid non-waterlaid preform

162155, 204295, C25B 1300

Patent

active

042082463

ABSTRACT:
Diaphragms of deposited asbestos which are consolidated by a polymer are prepared by the steps of dispersing a polymer emulsion into asbestos fibers dispersed in an aqueous solution of a cellulose ether or a high molecular weight polyether polyol, depositing the asbestos fiber slurry on a metal screen cathode by means of filtration, and drying the deposited asbestos fibers. The asbestos fibers are deposited evenly on a cathode of commercial size and the diaphragms are consolidated satisfactorily by the polymer.

REFERENCES:
patent: 2626213 (1953-01-01), Novak
patent: 2773114 (1956-12-01), McAuslan
patent: 3723264 (1973-03-01), Leduc et al.
patent: 3980613 (1976-09-01), Bachot et al.
patent: 4036727 (1977-07-01), Patil et al.
patent: 4065534 (1977-12-01), Rechlicz et al.
patent: 4093533 (1978-06-01), Beaver et al.
Schwartz, "Surface Active Agents & Detergents", vol. II, (1958), p. 516.

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