Ultrafiltration blend membrane and preparation thereof

摘要

Present invention discloses polyvinylidine fluoride and polymethyl methacrylate-copolychloromethylstyrene blend or polyvinylidine fluoride, polyvinylpyrrolidone, and polymethyl methacrylate-co-poly chloromethyl styrene blend membranes and their modified membranes and their preparation thereof The membranes obtained are useful for electrodialysis, oil-water filtration, water purification and other filtration processes.