A novel PVDF hybrid membrane with excellent active–passive integrated antifouling and antibacterial properties based on a PDA guiding effect

Ni, Xingxing; Li, Jianhua; Yu, Luping

doi:10.1039/d1ma00058f

Cited by 5 publications

(1 citation statement)

References 49 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Contrariwise, that of P0 fell to less than 25% of its initial value. Irreversible fouling by the microorganisms occurred at the surface of P0 in a greater extent than at the surface of P2, as bacteria can readily interact with unmodified PVDF material even in static adsorption tests (Figure 7), as also recently reported by Ni et al [54] or Maggay et al [25]. Dynamic tests more severely foul the membrane as a result of the pressure gradient forcing the bacteria to interact with the surface and within the pores.…”

Section: Performances Of the Membranes During Cyclic Water/bacterial ...supporting

confidence: 67%

A Green Stable Antifouling PEGylated PVDF Membrane Prepared by Vapor-Induced Phase Separation

et al. 2022

View full text Add to dashboard Cite

While green solvents are being implemented in the fabrication of polyvinylidene fluoride (PVDF) membranes, most are not compatible with the vapor-induced phase separation (VIPS) process for which relatively low dissolution temperatures are required. Additionally, preparing antifouling green membranes in one step by blending the polymer with an antifouling material before inducing phase separation remains extremely challenging due to the solubility issues. Here, the green solvent triethyl phosphate (TEP) was used to solubilize both PVDF and a copolymer (synthesized from styrene monomer and poly(ethylene glycol) methyl ether methacrylate). VIPS was then used, yielding symmetric bi-continuous microfiltration membranes. For a 2 wt% copolymer content in the casting solution, the corresponding membrane P2 showed a homogeneous and dense surface distribution of the copolymer, resulting in a high hydration capacity (>900 mg/cm3) and effective resistance to biofouling during the adsorption tests using bovine serum albumin, Escherichia coli or whole blood, with a measured fouling reduction of 80%, 89% and 90%, respectively. Cyclic filtration tests using bacteria highlighted the competitive antifouling properties of the membranes with a flux recovery ratio after two water/bacterial solution cycles higher than 70%, a reversible flux decline ratio of about 62% and an irreversible flux decline ratio of 28%. Finally, these green antifouling membranes were shown to be stable despite several weeks of immersion in water.

show abstract

Section: Performances Of the Membranes During Cyclic Water/bacterial ...supporting

confidence: 67%

A Green Stable Antifouling PEGylated PVDF Membrane Prepared by Vapor-Induced Phase Separation

et al. 2022

View full text Add to dashboard Cite

show abstract

Antibacterial performance of the PVDF membranes doped with Ag photodeposited TiO2 particles

Batitute,

Diler Inan,

Sozen

et al. 2024

J Polym Res

View full text Add to dashboard Cite

AgNPs-thiols modified PVDF electrospun nanofiber membrane with a highly rough and pH-responsive surface for controllable oil/water separation

Kang

et al. 2022

Journal of Environmental Chemical Engineering

View full text Add to dashboard Cite

A novel PVDF hybrid membrane with excellent active–passive integrated antifouling and antibacterial properties based on a PDA guiding effect

Abstract: A novel and versatile active-passive integrated strategy to integrate both antifouling and antibacterial properties into PVDF membranes had been developed. The PDA microspheres on the modified membranes were served as...

Cited by 5 publications

References 49 publications

A Green Stable Antifouling PEGylated PVDF Membrane Prepared by Vapor-Induced Phase Separation

A Green Stable Antifouling PEGylated PVDF Membrane Prepared by Vapor-Induced Phase Separation

Antibacterial performance of the PVDF membranes doped with Ag photodeposited TiO2 particles

AgNPs-thiols modified PVDF electrospun nanofiber membrane with a highly rough and pH-responsive surface for controllable oil/water separation

Contact Info

Product

Resources

About