COMPOSITE PTFE MEMBRANE HYDROPHILISED USING UN- CROSS - LINKED ETHYLENE - VINYL - ALCOHOL - COPOLYMER

摘要

A water filtration article has a filtration layer of thickness no larger than 10 microns including porous polytetrafluoroethylene coated with a hydrophilic coating comprising uncrosslinked ethylene-vinyl alcohol copolymer. Methods include water filtration using and manufacture of such a water filtration article.