Patent ID: 11878271
Assignee: HARRIS MEMBRANE CLEAN TECHNOLOGY INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 4:
5. The low-pressure high-flux hollow fiber NF membrane according to claim 1, wherein the sulfonated polymer is one or a mixture of two or more selected from the group consisting of sulfonated polysulfone (SPSU), sulfonated polyethersulfone (SPES), sulfonated polyetherketone (SPEK), sulfonated polyvinyl chloride (SPVC), sulfonated polyacrylonitrile (SPAN), sulfonated polyimide (SPI), sulfonated polyetherimide (SPEI), sulfonated polyvinylidene fluoride (SPVDF), and sulfonated cellulose (SC).