Journal
CHEMICAL ENGINEERING & TECHNOLOGY
Volume 42, Issue 5, Pages 1027-1036Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201800271
Keywords
Filtration performance; Fluorocarbon surfactant; Hydrophilization; Poly(tetrafluoroethylene) porous membrane; Superhydrophilicity
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Funding
- National Natural Science Foundation of China [21476005, 21878003]
- National Natural Science Fund for Innovative Research Groups [51621003]
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The commercial fluorocarbon surfactant (FCS) DuPont (TM) Zonyl 321 fluorinated cationic surfactants, was employed to modify both flat-sheet and hollow-fiber poly(tetrafluoroethylene) (PTFE) porous membranes. The variation of morphology, wettability, and hydrophilicity durability to acid and alkali as well as the filtration performance of both membranes were investigated. Such superhydrophilic membranes showed better wetting stability and higher resistance to acid and alkali solutions. Moreover, both membranes exhibited good filtration performance.
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