POROUS DIAPHRAGM FOR ELECTROLYTIC CELL

摘要

A diaphragm of a porous sheet of an organic polymer for example, polytetrafluoroethylene, which contains a wetting agent distributed throughout the thickness of the sheet, the concentration of the wetting agent in that part of the sheet near to one or to both outer surfaces of the sheet being greater than the concentration of the wetting agent in that part of the sheet remote from the outer surfaces of the sheet.