Negative thermal expansion in porous glass-ceramics based on Mg2Al2B2Si5O18 prepared from Saudi raw materials
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-1017-3
Abstract: A porous glass-ceramic enjoyed very low and negative thermal expansion was prepared. A glass of the base molar composition, 2 MgO·2 Al2O3·2 B2O3·5 SiO2 with the addition of 1.61 ma% TiO2, was melted from kaolin,… read more here.
Keywords: negative thermal; glass; glass ceramics; porous glass ... See more keywords
Preparation, characterization and performance evaluation of supported zeolite on porous glass hollow fiber for desalination application
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2018.11.015
Abstract: Abstract A-type zeolite membranes were synthesized on porous glass hollow fibers that prepared using the in-situ hydrothermal process. The porous glass hollow fibers were prepared using the phase inversion and sintering technique with the addition… read more here.
Keywords: glass hollow; porous glass; glass; hollow fiber ... See more keywords
Crystal growth and mechanical properties of porous glass-ceramics derived from waste soda-lime-silica glass and clam shells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2020.06.009
Abstract: Abstract New low-cost and high strength porous glass-ceramics have been successfully fabricated in the Na2O–CaO–SiO2 glass system by powder sintering method, using pre-calcined clamshell (CS) and waste soda-lime-silica (SLS) glass as raw materials. The effect… read more here.
Keywords: lime silica; glass; glass ceramics; waste soda ... See more keywords
Spectral changes in Si–O–Si stretching band of porous glass network upon ingress of water
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2019.119722
Abstract: Abstract Water ingress into porous glass can induce internal stress, resulting in strains in chemical bonds of the network. For silica and silicate glasses, the position of Si–O–Si stretching mode in infrared spectroscopy is known… read more here.
Keywords: network; water; spectroscopy; porous glass ... See more keywords
Porous glass membranes for vanadium redox-flow battery application - Effect of pore size on the performance
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.12.001
Abstract: Abstract The improvement of redox-flow batteries requires the development of chemically stable and highly conductive separators. Porous glass membranes can be an attractive alternative to the nowadays most common polymeric membranes. Flat porous glass membranes… read more here.
Keywords: porous glass; glass membranes; redox flow;
Development of an analytical chip for nitrogen monoxide detection using porous glass impregnated with 2-phenyl-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxyl
Sign Up to like & getrecommendations! Published in 2019 at "Microchemical Journal"
DOI: 10.1016/j.microc.2019.104251
Abstract: Abstract Nitrogen monoxide (NO) is an important bio-regulatory molecule. NO presence in exhaled breath is a biomarker for an airway inflammation. Thus, measuring NO in the exhaled air is considered a noninvasive method for disease… read more here.
Keywords: nitrogen monoxide; glass impregnated; impregnated phenyl; porous glass ... See more keywords
Nonanal Gas Sensors Using Porous Glass as a Reaction Field for Ammonia-Catalyzed Aldol Condensation
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.2c07622
Abstract: Transmittance in porous-glass gas sensors, which use aldol condensation of vanillin and nonanal as the detection mechanism for nonanal, decreases because of the production of carbonates by the sodium hydroxide catalyst. In this study, the… read more here.
Keywords: porous glass; gas sensors; glass; aldol condensation ... See more keywords
Advanced titanium dioxide fluidizable nanowire photocatalysts
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d1ra07681g
Abstract: In photocatalytic water splitting, fluidization is known to minimize the adverse effects of mass-transfer, poor radiation distribution, parasitic back-reactions and photocatalyst handling difficulties, which limit the scalability of immobilized-film and suspended slurry photocatalysts. Fluidization of… read more here.
Keywords: advanced titanium; attrition; tio2; titanium dioxide ... See more keywords
Dielectric properties of magnetic-ferroelectric CoO–NaNO2–porous glass nanocomposite
Sign Up to like & getrecommendations! Published in 2017 at "Physics of the Solid State"
DOI: 10.1134/s1063783417100237
Abstract: Dielectric properties of the nanostructured multiferroic composite on the basis of silicate porous glass simultaneously filled with ferromagnetic (cobalt oxide CoO) and ferroelectric (sodium nitrite) materials have been investigated in wide temperature (270–570 K) and… read more here.
Keywords: glass; dielectric properties; geometry; properties magnetic ... See more keywords
Structural Parameters of Membranes from Porous Glass in Aqueous Solutions of Electrolytes, Containing Singly-Charged (Na+, K+) and Triple-Charged (Fe3+) Cations
Sign Up to like & getrecommendations! Published in 2018 at "Glass Physics and Chemistry"
DOI: 10.1134/s1087659618040065
Abstract: The structural parameters of micro- and macroporous glass-like membranes in the solutions containing sodium, potassium, and iron counterions were investigated. The dependences of the volumetric porosity of the membranes, structural resistance coefficients, filtration coefficients, specific… read more here.
Keywords: glass; structural parameters; glass aqueous; membranes porous ... See more keywords
Effect of Borax On Sintering Kinetics, Microstructure and Mechanical Properties of Porous Glass-Ceramics From Coal Fly Ash by Direct Overfiring
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.839680
Abstract: The direct sintering process of coal fly ash for the preparation of glass-ceramics is the liquid-phase sintering process, from non-densification to densification. When the temperature exceeds the densification temperature point, the porosity of glass-ceramics on… read more here.
Keywords: glass ceramics; fly ash; coal fly; porous glass ... See more keywords