Synthesis and characterization of novel PEO–MCM-41/PVDC nanocomposite membrane

Jomekian, Abolfazl; Mansoori, Seyed Ali Akbar; Monirimanesh, Negin

doi:10.1016/j.desal.2011.03.058

Cited by 25 publications

(13 citation statements)

References 26 publications

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“…Thermal reduction of GO can be an eco-friendly method to produce highquality RGO on a large scale without using any hazardous reducing agents. [32,33] The results suggested that the hydrophilic groups on the surface of silica nanoparticles contribute to the overall properties of the membrane, especially water permeability, hydrophilicity, and antifouling ability. Recently, the use of graphene as nanofiller in ceramic matrix composites showed improvements in mechanical, electrical, and thermal properties.…”

Section: Introductionmentioning

confidence: 99%

Tuning the Mechanical and Adsorption Properties of Silica with Graphene Oxide

et al. 2014

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Silica and graphene oxide (GO) were synthesized by modified Stöber and Hummer’s methods, respectively. Silica/GO composite powders of different compositions were obtained by introduction of GO sheets in between silica particles through a hydrothermal synthesis. Composites were characterized by Fourier transform infrared spectroscopy, X‐ray diffraction analysis, and scanning and transmission electron microscopy. Density measurements were performed with a pycnometer and chemical analyses of powders were performed by energy‐dispersive X‐ray and X‐ray photoelectron spectroscopies. Composite powders showed an improvement in the Cu2+ ion adsorption property relative to pure silica. Composite powders were further consolidated at 1200 °C under 50 MPa pressure in vacuum by pulsed electric current sintering. Transparency in the UV/Vis region, the electrical conductivity, and the toughness of consolidated samples were altered by varying the GO content in the starting materials. Studies suggest that the use of GO as a reinforcing agent not only improves the mechanical properties of transparent silica ceramic, but also improves the electrical conductivity and adsorption properties of silica.

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Section: Introductionmentioning

confidence: 99%

Tuning the Mechanical and Adsorption Properties of Silica with Graphene Oxide

et al. 2014

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“…Advances in adsorption, coating and separation techniques, drug delivery, catalysis, controlled release, sensors, photonics, and nanodevices require the controlled architectures of ordered porous materials and the systematic tailoring of pores (Corma, 1997;Galarneau, Cambon, Di Renzo, & Fajula, 2001;Jomekian, Mansoori, & Monirimanesh, 2011;Li et al, 2012;Motevalizadeh et al, 2013). Polymer/MCM-41 nanocomposites have generated great interest because of their unique properties.…”

Section: Introductionmentioning

confidence: 99%

Effects of polyethyleneimine-functionalized MCM-41 on flame retardancy and thermal stability of polyvinyl alcohol

et al. 2015

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“…According to the internal structure of the materials, these fillers can be categorized into nonporous and porous fillers. Compared with nonporous fillers, porous fillers present new and exciting opportunities for further improving the permeability of synthetic membranes . Apart from interacting with the filtered fluid on their surfaces, these porous fillers can also provide additional internal channels, which allow the rapid transport of water molecules .…”

Section: Introductionmentioning

confidence: 99%

“…Compared with nonporous fillers, porous fillers present new and exciting opportunities for further improving the permeability of synthetic membranes. [16][17][18][19] Apart from interacting with the filtered fluid on their surfaces, these porous fillers can also provide additional internal channels, which allow the rapid transport of water molecules. [20][21][22][23] Recently, a new kind of effective porous filler (mesoporous SBA-15) was blended into various polymeric membranes for water purification owing to its unique properties, such as a suitable pore size and periodically aligned pore structure.…”

Section: Introductionmentioning

confidence: 99%

Development of a high‐performance polysulfone hybrid ultrafiltration membrane using hydrophilic polymer‐functionalized mesoporous SBA − 15 as filler

Wang

et al. 2019

J of Applied Polymer Sci

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A novel polysulfone hybrid ultrafiltration membrane was developed by blending hydrophilic poly[poly(ethylene glycol) methyl ether methacrylate] [P(PEGMA)] grafted mesoporous SBA‐15 [SBA‐g‐P(PEGMA)] as filler. The hydrophilic SBA‐g‐P(PEGMA) fillers were synthesized via surface‐initiated atom transfer radical polymerization. The effects of the SBA‐g‐P(PEGMA) fillers on the prepared hybrid membranes were systematically investigated. Compared with pristine SBA‐15 fillers, SBA‐g‐P(PEGMA) fillers contributed to higher hydrophilicity and a more developed pore structure in the hybrid membranes. Specifically, SBA‐15 grafted with a moderate P(PEGMA) molecular weight could better preserve the valid open‐ended filler pore structure in the membrane matrix, thus facilitating membrane permeability. The pure water flux of the as‐prepared polysulfone (PSF)/SBA‐g‐P(PEGMA) membrane was three times that of the PSF/SBA‐15 membrane (271.7 L m−2 h−1 vs. 88.2 L m−2 h−1) with similar membrane selectivity. Moreover, the PSF/SBA‐g‐P(PEGMA) membranes showed improved antifouling property. This work paves the way for developing high‐performance hybrid membranes by blending of hydrophilic polymer‐functionalized mesoporous fillers in the future. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47353.

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Synthesis and characterization of novel PEO–MCM-41/PVDC nanocomposite membrane

Cited by 25 publications

References 26 publications

Tuning the Mechanical and Adsorption Properties of Silica with Graphene Oxide

Tuning the Mechanical and Adsorption Properties of Silica with Graphene Oxide

Effects of polyethyleneimine-functionalized MCM-41 on flame retardancy and thermal stability of polyvinyl alcohol

Development of a high‐performance polysulfone hybrid ultrafiltration membrane using hydrophilic polymer‐functionalized mesoporous SBA − 15 as filler

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