A porous, electrolyte permeable composite diaphragm, electrolytic cell comprising said diaphragm, electrolytic process using said diaphragm and a process for the preparation of said diaphragm

摘要

Porous and electrolyte permeable composite diaphragms for electrolysis cells comprising a chemically inert, fibrous porous matrix or substrate impregnated with a copolymer of divinylbenzene and at least one member of the group consisting of 2-vinylpyridine and 4-vinylpyridine, method of electrolysis of an electrolyte using the said diaphragms, process for the preparation of said diaphragm and an electrolysis cell containing said diaphragms.