Effect of Poly(vinyl pyrrolidone) on Antifouling Properties of Asymmetric Poly(ethylene‐<i>co</i>‐vinyl alcohol) Membranes

Nechikkattu, Riyasudheen; Paul, Manu Jose; Sujith, A.

doi:10.1002/ceat.201300397

Cited by 13 publications

(8 citation statements)

References 63 publications

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“…In this context, over the past few decades, hydrophilic polymers with low polymer–water interfacial energy have been proposed for use as antifouling materials; representative examples include poly(ethylene glycol) (PEG), − poly(alkyl-2-oxazoline), − poly(vinyl pyrrolidone), − and zwitterionic poly(2-methacryloyloxyethyl phosphorylcholine). , Among them, PEG has been most widely used for antifouling coatings owing to its flexibility, biocompatibility, and high degree of hydration. , It is well known that surfaces coated with PEG prevent protein adsorption and cell adhesion because of the large excluded hydrodynamic volume caused by surface-bound water molecules …”

Section: Introductionmentioning

confidence: 99%

Mussel-Inspired Multiloop Polyethers for Antifouling Surfaces

et al. 2021

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Despite the widespread use of polymers for antifouling coatings, the effect of the polymeric topology on the antifouling property has been largely underexplored. Unlike conventional brush polymers, a loop conformation often leads to strong steric stabilization of surfaces and antifouling and lubricating behavior owing to the large excluded volume and reduced chain ends. Herein, we present highly antifouling multiloop polyethers functionalized with a mussel-inspired catechol moiety with varying loop dimensions. Specifically, a series of polyethers with varying catechol contents were synthesized via anionic ring-opening polymerization by using triethylene glycol glycidyl ether (TEG) and catechol-acetonide glycidyl ether (CAG) to afford poly(TEGco-CAG) n. The versatile adsorption and antifouling effects of multiloop polyethers were evaluated using atomic force microscopy and a quartz crystal microbalance with dissipation. Furthermore, the crucial role of the loop dimension in the antifouling properties was analyzed via a surface force apparatus and a cell attachment assay. This study provides a new platform for the development of versatile antifouling polymers with varying topologies.

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Section: Introductionmentioning

confidence: 99%

Mussel-Inspired Multiloop Polyethers for Antifouling Surfaces

et al. 2021

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“…The main controlling factors that influence the characteristics of membranes in this method are the type of solvent and non-solvent, polymer solution concentration, and coagulation bath temperature. In addition, blend-ing and the incorporation of additives and/or nanoparticles are being used extensively to modify the performance of membranes [11,[16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Effects of Gelatin and Nano‐ZnO on the Performance and Properties of Cellulose Acetate Water Membranes

Sheikh

2020

Chem Eng & Technol

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Biodegradable cellulose acetate (CA) membranes were prepared via phase inversion induced by immersion precipitation method. Acetic acid and deionized water were used as solvent and non‐solvent, respectively. The modifying effect of gelatin and zinc oxide (ZnO) nanoparticles additives was investigated on the membranes in terms of water flux, protein rejection percentage, and fouling ability during two hours of bovine serum albumin separation from aqueous solution. Specimens were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), tensile test, contact angle technique, and porosity measurement. The incorporation of gelatin and ZnO nanoparticles into the CA matrix increased the porosity coefficient and hydrophilicity. Moreover, gelatin improved the tensile properties of the membrane.

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“…Membrane properties including the membrane material, pore size, hydrophilicity, and surface roughness play a key role in membrane fouling . Efforts have been made to improve the antifouling properties of membranes, mostly by introducing new types of membrane . In addition, a numerical tool for the modeling of membranes helped to reduce trial and error to achieve an optimal membrane through understanding the mechanisms contributing to the membrane fouling.…”

Section: Introductionmentioning

confidence: 99%

Water Flux Reduction in Microfiltration Membranes: A Pore Network Study

et al. 2018

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A 3D pore network model was developed to simulate the removal of dextran from water. Advanced scanning electron microscopy combined with focused ion beam analysis was used to obtain the sizes of the different pore networks that represent the microscopic structure of a porous membrane. The required input transport parameters for modeling were obtained by performing dynamic experiments on dextran adsorption within the pores of a polysulfone membrane. The simulated flux changes demonstrated a good agreement with the experimental data showing that such a model can be used to study the effects of various parameters during the process. Specifically, the results showed an increase in the applied pressure, decreased membrane thickness, increased pore size, while small sizes of contaminant molecules lead to a rise of the flux passing through the membrane.

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Effect of Poly(vinyl pyrrolidone) on Antifouling Properties of Asymmetric Poly(ethylene‐co‐vinyl alcohol) Membranes

Cited by 13 publications

References 63 publications

Mussel-Inspired Multiloop Polyethers for Antifouling Surfaces

Mussel-Inspired Multiloop Polyethers for Antifouling Surfaces

Effects of Gelatin and Nano‐ZnO on the Performance and Properties of Cellulose Acetate Water Membranes

Water Flux Reduction in Microfiltration Membranes: A Pore Network Study

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