High-hydrophilic polysulfone ultrafiltration membrane and preparation method thereof

• Main Authors: ZHOU LANFENG, XU YELONG, WEN HAIMENG, LI SHENGLAN
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2022
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

According to the invention, low-content PSf-b-PEG is adopted as an amphiphilic block copolymer, high-content PEG and a polysulfone film-forming material are blended together, and a PEG chain segment in the PSf-b-PEG is thermally crosslinked with PEG by thermal crosslinking, so that the high hydrophi...