Construction of a composite microporous polyethylene membrane with enhanced fouling resistance for water treatment

In this research, a new kind of anti-fouling ultrafiltration composite membrane was fabricated by decorating poly on both the surface and cavities of a commercialized polyethylene separator

Tianyu Liu; Dandan Chen; Ya Cao; Feng Yang; Jinyao Chen; Jian Kang; Ruizhang Xu; Ming Xiang

2020

Key concepts

Scholarcy highlights

  • In this research, a new kind of anti-fouling ultrafiltration composite membrane was fabricated by decorating poly on both the surface and cavities of a commercialized polyethylene separator
  • Reported the application of polyethylene separator working as the substrate of UF membranes for the first time
  • Zwitterionic l-cysteine was further tethered onto the composite membrane by “thiol–ene” click chemistry for pursuing enhanced anti-fouling properties
  • Results of XPS and FTIR verified the occurrence of each reaction procedure
  • Results suggested that the composite membranes behave remarkable capacity in retaining BSA and identical water flux to the PSf membrane
  • This study may render consideration on exploiting low-cost, sustainable UF membranes, and broadening the additional application of PE separators

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