Method of forming a permionic membrane
AssigneePPG Industries, Inc.
InventorsPatrick E. Hillman, Preston S. White
Life of this patent
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Abstract
Disclosed is a method of preparing a permionic membrane by contacting the permionic membrane with a plasticizer and an electroconductive material, and hot pressing the permionic membrane, the plasticizer, and the electroconductive material.
Claims10
In a method of preparing an electrolyte impermeable chlor-alkali cell permionic membrane comprised of a fluorocarbon copolymer having immobile cation selective groups on a fluorocarbon backbone, comprising depositing electroconductive materials chosen from the group consisting of particles of metals, particles of metal compounds, and mixtures thereof on a surface of the permionic membrane, the improvement comprising providing a composition of plasticizer chosen from the group consisting of phthalates, sebacates, adipates, and azelates, and the particles of the electroconductive material on the surface of the permionic membrane, and hot pressing the plasticizer, the particles of electroconductive material, and the permionic membrane, whereby to deposit the electroconductive material in the permionic membrane.
Dependencies are inferred from the claim text.