POLYSULFONE HOLLOW FIBER MEMBRANE WITH GOOD PERMEABILITY OF WATER AND PREPARATION METHOD THEREOF

摘要

A polysulfone hollow fiber membrane and a preparation method thereof are provided to prevent contamination of water by offering excellent water transmission property by minimizing resistance of liquid. A polysulfone hollow fiber membrane includes the outer surface and the inner surface. The polysulfone hollow fiber membrane has a cross section of sponge structure of which pore size become gradually wider to the inner surface direction from the outer surface. The pore of which diameter is 10 ~ 30 mum is formed on the inner surface. A small diameter pore is formed on the outer surface to a slit shape. The water transmission degree is 35 ~ 50 ml/cmÀmin À (kgf/cm).