| 摘要 |
An object of the present invention is to provide an asymmetric porous membrane excelling in selective separation (cut off) performance of plasma proteins, exhibiting almost no endogenous coagulation activity, complementary activity, and kuinine activity, remarkably excelling in biocompatibility, and usable in hemodialysis, plasma separation, and the like. <??>The asymmetric porous membrane mainly formed from a synthetic polymer has a dense layer substantially free from electric charges at least on the outermost surface on the side on which a liquid to be processed is loaded and at least part of the membrane other than the outermost surface is negatively charged. <??>In the present invention, the dense layer free from electric charges present at least on the outermost surface functions as a size barrier and the part of the membrane other than the outermost surface functions as a charge barrier. <??>The present invention relates to a method of manufacturing the asymmetric porous membrane. |
