Hydrophilic microporous membrane made of polytetrafluoroethylene and a method for their preparation

摘要

the invention relates to a hydrophilierte microporous membrane, and methods for their manufacture. objective of the invention is a microporous membrane from hydrophilierte, ptfe product. $a erfindungsgemu00e4u00df is hydrophilierte, microporous membrane from unmodifiziertem ptfe and 2.5 to 25% by weight of hochfunktionalisiertem ptfe as largely polymeridentisches hydrophilierungsmittel.the hochfunktionalisierte ptfe by radiation and, where appropriate, by addition of sulphites as. $a to method for the production of membranes, the subject of the invention.