Results 211 to 220 of about 230,110 (264)
Synergistic effects of graphene oxide loading and particle size in ice-templated carboxymethyl cellulose-based aerogels on dye removal. [PDF]
Sci RepKweon SW +5 more
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Flexible Aerogels for Thermal Insulation: Fabrication and Application. [PDF]
ACS Appl Mater InterfacesLin P, Qing X, Liu Q, Yang Y.
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Advances in Science and Technology, 2010
Aerogels are often largely mesoporous solids, with a porosity which may exceed 90 vol% and a specific surface area up to 1000 m2 g-1. Such materials were first obtained by Kistler in 1932, and designate gels in which the liquid was replaced with a gas without collapsing the gel solid network. Contrary to xerogels dried from wet gels by evaporation with
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Aerogels are often largely mesoporous solids, with a porosity which may exceed 90 vol% and a specific surface area up to 1000 m2 g-1. Such materials were first obtained by Kistler in 1932, and designate gels in which the liquid was replaced with a gas without collapsing the gel solid network. Contrary to xerogels dried from wet gels by evaporation with
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ACS Applied Materials & Interfaces, 2020
Noble metal-based nanomaterials have been a hot research topic during the past few decades. Particularly, self-assembled porous architectures have triggered tremendous interest. At the forefront of porous nanostructures, there exists a research endeavor of noble metal aerogels (NMAs), which are unique in terms of macroscopic assembly systems and three ...
Hengjia Wang +5 more
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Noble metal-based nanomaterials have been a hot research topic during the past few decades. Particularly, self-assembled porous architectures have triggered tremendous interest. At the forefront of porous nanostructures, there exists a research endeavor of noble metal aerogels (NMAs), which are unique in terms of macroscopic assembly systems and three ...
Hengjia Wang +5 more
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Advanced Materials, 1991
Research News: Recently listed amongst the top ten scientific and technological developments, aerogels have found applications as traps for relativistic particles, in fire protection and in thermal insulation or acoustic impedance. The materials, which contain more air than gel, their synthesis, and other potential applications are described.
Jochen Fricke, Andreas Emmerling
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Research News: Recently listed amongst the top ten scientific and technological developments, aerogels have found applications as traps for relativistic particles, in fire protection and in thermal insulation or acoustic impedance. The materials, which contain more air than gel, their synthesis, and other potential applications are described.
Jochen Fricke, Andreas Emmerling
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Organofunctional silica aerogels
Journal of Sol-Gel Science and Technology, 1997Organically modified silica aerogels were prepared from mixtures of tetramethoxysilane (TMOS) and organofunctional alkoxysilanes RSi(OMe)3 with R = mercaptopropyl, diphenylphosphinoethyl and chloropropyl. The base catalyzed hydrolysis and condensation reactions, followed by supercritical drying with liquid carbon dioxide were investigated.
N. Hüsing, U. Schubert
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Carbohydrate Polymers, 2015
Aerogels based on interpenetrated cellulose-silica networks were prepared and characterised. Wet coagulated cellulose was impregnated with silica phase, polyethoxydisiloxane, using two methods: (i) molecular diffusion and (ii) forced flow induced by pressure difference.
Demilecamps, Arnaud +4 more
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Aerogels based on interpenetrated cellulose-silica networks were prepared and characterised. Wet coagulated cellulose was impregnated with silica phase, polyethoxydisiloxane, using two methods: (i) molecular diffusion and (ii) forced flow induced by pressure difference.
Demilecamps, Arnaud +4 more
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Monolithic Nanoporous Crystalline Aerogels
Macromolecular Rapid Communications, 2013Monolithic aerogels can be easily obtained by drying physical gels formed by linear uncross‐linked polymers. Preparation methods, structure, and properties of these physically cross‐linked polymeric aerogels are reviewed, with particular emphasis to those whose cross‐linking knots are crystallites and, more in particular, crystallites exhibiting ...
DANIEL, Christophe +4 more
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2014
Aerogels were discovered in 1932 and since then their properties, in particular their high surface area, small pore size, transparency, low thermal conductivity and high pore volume have attracted attention for diverse applications. These applications include thermal insulation, catalyst supports, anti-reflectance coatings, composite materials such as ...
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Aerogels were discovered in 1932 and since then their properties, in particular their high surface area, small pore size, transparency, low thermal conductivity and high pore volume have attracted attention for diverse applications. These applications include thermal insulation, catalyst supports, anti-reflectance coatings, composite materials such as ...
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Aerogels in Chemical Engineering: Strategies Toward Tailor-Made Aerogels
Annual Review of Chemical and Biomolecular Engineering, 2017The present review deals with recent advances in the rapidly growing field of aerogel research and technology. The major focus of the review lies in approaches that allow tailoring of aerogel properties to meet application-driven requirements. The decisive properties of aerogels are discussed with regard to existing and potential application areas ...
Irina, Smirnova, Pavel, Gurikov
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