METHOD FOR IMPROVING BLOCKING RATE OF PERMEABLE MEMBRANE, BLOCKING RATE IMPROVED PERMEABLE MEMBRANE, AND PERMEBALE MEMBRANE TREATMENT METHOD AND APPARATUS

摘要

1. A method of enhancing rejection of a permeable membrane, comprisingcontacting the permeable membrane witha rejection enhancing agent comprising a hydrophilic polymer having no hydrophobic group having 8 or more carbon atoms anda modifying agent comprising a water soluble polymer having a hydrophobic group having 8 or more carbon atoms.