Results 11 to 20 of about 1,886 (171)
Polyurethane /Ionic Silica Xerogel Composites for CO2 Capture [PDF]
Materials Research, 2019 Capturing carbon dioxide (CO2) from exhaust gases is an important strategy to prevent climate change. There is a great interest in developing novel CO2 sorbents. Thus, a series of polyurethane (PU) / silica xerogels functionalized with RTILs (bmim Cl and
Leonardo Moreira dos Santos +6 more
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Data in Brief, 2022 Groundwater with high fluoride concentrations has been recognized as one of the serious concerns worldwide. Besides, the fluoride released into the groundwater by slow dissolution of fluoride-containing rocks, various industries also contribute to ...
Nahum Andres Medellin-Castillo +7 more
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Electromagnetic interference shielding in lightweight carbon xerogels
Materials Research Express, 2023 With the increasing use of high-frequency electronic and wireless devices, electromagnetic interference (EMI) has become a growing concern due to its potential impact on both electronic devices and human health.
Biporjoy Sarkar +7 more
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Hydrophobization of Monolithic Resorcinol-Formaldehyde Xerogels by Means of Silylation
Gels, 2022 In materials research, the control of wettability is important for many applications. Since they are typically based on phenolics, organic aerogels, and xerogels are intrinsically hydrophilic in nature, and examples of the chemical functionalization of ...
Fabian Henn, René Tannert
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Carbon Gels–Green Graphene Composites as Metal-Free Bifunctional Electro-Fenton Catalysts
Gels, 2023 The Electro-Fenton (EF) process has emerged as a promising technology for pollutant removal. However, the EF process requires the use of two catalysts: one acting as an electrocatalyst for the reduction of oxygen to H2O2 and another Fenton-type catalyst ...
Lilian D. Ramírez-Valencia +4 more
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Magnetic Study of CuFe2O4-SiO2 Aerogel and Xerogel Nanocomposites
Nanomaterials, 2021 CuFe2O4 is an example of ferrites whose physico-chemical properties can vary greatly at the nanoscale. Here, sol-gel techniques are used to produce CuFe2O4-SiO2 nanocomposites where copper ferrite nanocrystals are grown within a porous dielectric silica ...
Alizé V. Gaumet +6 more
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Nanocellulose Xerogels With High Porosities and Large Specific Surface Areas
Frontiers in Chemistry, 2019 Xerogels are defined as porous structures that are obtained by evaporative drying of wet gels. One challenge is producing xerogels with high porosity and large specific surface areas, which are structurally comparable to supercritical-dried aerogels ...
Shunsuke Yamasaki +7 more
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The Role of Cations in Resorcinol–Formaldehyde Gel Textural Characteristics
Gels, 2022 The production of resorcinol–formaldehyde xerogels has yielded insight into the gelation processes underpinning their structures. In this work, the role of the cation species from the catalyst is probed by studying the simultaneous addition of sodium ...
Stewart J. Taylor +2 more
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Exploring the difference in xerogels and organogels through in situ observation [PDF]
Royal Society Open Science, 2018 Solvent–gelator interactions play a key role in mediating organogel formation and ultimately determine the physico-chemical properties of the organogels and xerogels.
Binglian Bai +5 more
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Textiles, 2022 Hybrid organic-inorganic (dendritic polymer-silica) xerogels containing silver nanoparticles (Ag Nps) were developed as antibacterial leather coatings. The preparation method is environmentally friendly and is based on two biomimetic reactions.
Michael Arkas +13 more
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