ION-EXCHANGE RESIN MEMBRANE AND PROCESS FOR PRODUCING THE SAME

摘要

A reactive liquid is applied to a membrane of an ion-exchange resin precursor and the precursor is then hydrolyzed. The reactive liquid preferably has a viscosity of 50 mPa •s or higher or a low surface tension. The hydrolysis is preferably conducted while restraining the precursor membrane by stretching it in the width direction or other direction(s).