Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1977-02-23
1978-05-02
Mack, John H.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204250, 204279, C25D 1700, C25B 900
Patent
active
040873439
ABSTRACT:
A flexible elastomeric cover particularly for an electrolytic cell of the mercury type. The cover has at least one layer comprised of a corrosion resistant elastomeric composition including a vulcanized rubbery polymer to resist deleterious fluids and a multiplicity of small, non-porous, inert particles of a plate-like structure dispersed throughout the polymer to further resist the permeation and penetration of such fluids into the cover with the preponderance of the particles having an aspect ratio of at least 20:1 and being oriented in a direction generally parallel to a surface of the cover to provide a barrier to the migration of such deleterious fluids. The rubbery polymer is preferably polyisoprene and the plate-like or platy particles are preferably graphite or glass flakes.
REFERENCES:
patent: 2998374 (1961-08-01), Granfors
patent: 3450621 (1969-06-01), Anderson
patent: 3576726 (1971-04-01), Cooper
patent: 3794577 (1974-02-01), Oliver et al.
patent: 3968022 (1976-07-01), Eng et al.
Custer Harry Samuel
Schisler Robert Charles
Mack John H.
The Goodyear Tire & Rubber Company
Valentine D. R.
Yaist R. P.
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