초록 ▼

An asymmetric, microporous hollow fiber membrane comprising a polyimide is disclosed. The hollow fiber membrane is chemically inert to aqueous solutions and/or blood, is immediately rewettable after repeated steam and chemical sterilizations, has superior clearance, sieving, and water permeability c

An asymmetric, microporous hollow fiber membrane comprising a polyimide is disclosed. The hollow fiber membrane is chemically inert to aqueous solutions and/or blood, is immediately rewettable after repeated steam and chemical sterilizations, has superior clearance, sieving, and water permeability characteristics and is usable over a wide range of applications such as dialysis and water filtration. Also disclosed is the process for manufacturing the polyimide hollow fiber membrane.

대표청구항 ▼

An asymmetric, microporous, hollow fiber membrane comprising a polyimide polymer wherein said polyimide polymer has a molecular weight of about 30,000 daltons to about 125,000 daltons and wherein said hollow fiber membrane has an inner diameter of approximately 280 microns and an outer diameter of a

An asymmetric, microporous, hollow fiber membrane comprising a polyimide polymer wherein said polyimide polymer has a molecular weight of about 30,000 daltons to about 125,000 daltons and wherein said hollow fiber membrane has an inner diameter of approximately 280 microns and an outer diameter of approximately 380 microns and a pore size range of approximately 0.001 microns to about 0.5 microns and wherein said hollow fiber membrane is characterized by a uniform sponge structure and the absence of voids.