Abstract Sulfonic mesoporous silicas have demonstrated an outstanding catalytic performance in the esterification of levulinic acid with different alcohols to produce alkyl levulinates, a family of chemicals considered to be excellent oxygenated fuel extenders for gasoline, diesel and biodiesel. Catalyst screening indicated that propylsulfonic acid-modified SBA-15 material was the most active

Sulfonic-acid functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yiel

Abstract Silica‐supported sulfonic acids are a class of solid Brønsted acid catalysts that generally comprise organo‐sulfonic acid groups tethered to silica surfaces. Propyl-sulfonic-acid functionalized mesostructured silica and organosilica were synthesized following a one-pot co-condensation procedure previously employed for the prepara-tion of propyl-sulfonic-acid functionalized silica SBA-15 [11]. For the case of the organosilica, 1,2-bis-(triethoxysilyl)ethane (BTSE, Aldrich) was additionally incorporated. View 0 peer reviews of Efficient conversion of levulinic acid into alkyl levulinates catalyzed by sulfonic mesostructured silicas on Publons Download Web of Science™ My Research Assistant : Bring the power of the Web of Science to your mobile device, wherever inspiration strikes. (B) The pathway used for the preparation of mesostructured MSU-G silicas. ( C ) The XRD patterns for the pristine surfactant were recorded for a 88:12 (v/v) water:ethanol suspension of neutral C° 12-2-0 gemini surfactant at the same concentration (3.0 weight %) used for MSU-G synthesis ( 16 ) and a thin-film sample of the surfactant on glass.

(B) The pathway used for the preparation of mesostructured MSU-G silicas. ( C ) The XRD patterns for the pristine surfactant were recorded for a 88:12 (v/v) water:ethanol suspension of neutral C° 12-2-0 gemini surfactant at the same concentration (3.0 weight %) used for MSU-G synthesis ( 16 ) and a thin-film sample of the surfactant on glass. Synthesis and characterization of functionalized mesostructured silicas with acid sulphonic groups Universidad Rey Juan Carlos. Biblioteca. DSpace 6.2 Read "Supported and Free‐Standing Sulfonic Acid Functionalized Mesostructured Silica Films with High Proton Conductivity, European Journal of Inorganic Chemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Acid-catalyzed etherification of bio-glycerol and isobutylene over sulfonic mesostructured silicas Author MELERO, J. A 1; Melero JA, Morales G, Iglesias J, Paniagua M, Hernández B, Penedo S (2013) Efficient conversion of levulinic acid into alkyl levulinates catalyzed by sulfonic mesostructured silicas. Appl Catal A 466:116–122.

Melero JA, Morales G, Iglesias J, Paniagua M, Hernández B, Penedo S (2013) Efficient conversion of levulinic acid into alkyl levulinates catalyzed by sulfonic mesostructured silicas. Appl Catal A 466:116–122. CAS Article Google Scholar

Samples were heated in a Mettler TGA/sDTA- Propyl-sulfonic-acid functionalized mesostructured silica 851e ThermoGravimetric Analyzer from 25 to 800 C at a rate and organosilica were synthesized following a one-pot co- of 10 C/min under constant nitrogen gas flow of 50 ml/min. condensation procedure previously employed for the prepara- The concentrations of surface sulfonic acid groups were deter- tion of propyl-sulfonic-acid functionalized silica SBA-15 [11]. Efficient conversion of levulinic acid into alkyl levulinates catalyzed by sulfonic mesostructured silicas . 24 Sulfonic-acid-functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yield tert-butylated derivates.

Sulfonic acid-functionalized mesostructured SBA-15 silicas have been demonstrated to be active for the catalytic transesterification of glycerol with methyl acetate to produce di- and triacetylglycerols. An optimization of the reaction conditions carried out with pharmaceutical glycerol by means of experimental design methodology showed that it is necessary to use a high methyl acetate to

Efficient conversion of levulinic acid into alkyl levulinates catalyzed by sulfonic mesostructured silicas . 24 Sulfonic-acid-functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yield tert-butylated derivates. Di-tert-butylglycerols (DTBG) and tri-tert-butylglycerol (TTBG) have shown to be valuable fuel additives leading to decreases in the emission of particulate matter, hydrocarbons, carbon monoxide and Abstract Sulfonic mesoporous silicas have demonstrated an outstanding catalytic performance in the esterification of levulinic acid with different alcohols to produce alkyl levulinates, a family of chemicals considered to be excellent oxygenated fuel extenders for gasoline, diesel and biodiesel. Catalyst screening indicated that propylsulfonic acid-modified SBA-15 material was the most active Supported and Free‐Standing Sulfonic Acid Functionalized Mesostructured Silica Films with High Proton Conductivity Ralf Supplit Department of Chemical System Engineering, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, 113‐8656 Tokyo, Japan Mesoporous silicas have found widespread application within the field of heterogeneous catalysis. Acid functionalization of such materials, through one-pot or post-synthetic grafting of sulfonic Sulfonic acid-functionalized mesostructured silicas have demonstrated excellent catalytic behaviour in the acetalisation of glycerol with acetone to yield 2,2-dimethyl-1,3-dioxolane-4-methanol, also known as solketal.

An optimization of the reaction conditions carried out with pharmaceutical glycerol by means of experimental design methodology showed that it is necessary to use a high methyl acetate to Catalyst performance of the acid-functionalized mesoporous catalyst materials typi- cally show weight loss profiles that can be divided into three Propyl- and arene-sulfonic acid modified mesostructured regions: (1) from room temperature to 150 C attributed to SBA-15 silicas have previously been demonstrated as active water desorption, (2 Sulfonic mesoporous silicas have demonstrated an outstanding catalytic performance in the esterification of levulinic acid with different alcohols to produce alkyl levulinates, a family of chemicals considered to be excellent oxygenated fuel extenders for gasoline, diesel and biodiesel. Sulfonic acid functionalized silica films with 2D‐hexagonal mesostructures of various channel sizes are prepared in a one‐step synthesis.
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Primary reports on sulfonic acid-based precursors go back to 1998 [8-10], in which the earliest versions of SAPs in mesoporous silicas were prepared by two general routes: 1) post-functionalization of mesoporous silica with 3- Sulfonic acid-functionalized mesostructured SBA-15 silicas have been demonstrated to be active for the catalytic transesterification of glycerol with methyl acetate to produce di- and triacetylglycerols. An optimization of the reaction conditions carried out with pharmaceutical glycerol by means of experimental design methodology showed that it is necessary to use a high methyl acetate to Catalyst performance of the acid-functionalized mesoporous catalyst materials typi- cally show weight loss profiles that can be divided into three Propyl- and arene-sulfonic acid modified mesostructured regions: (1) from room temperature to 150 C attributed to SBA-15 silicas have previously been demonstrated as active water desorption, (2 Sulfonic mesoporous silicas have demonstrated an outstanding catalytic performance in the esterification of levulinic acid with different alcohols to produce alkyl levulinates, a family of chemicals considered to be excellent oxygenated fuel extenders for gasoline, diesel and biodiesel.

24 Sulfonic-acid-functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yield tert-butylated derivates. Di-tert-butylglycerols (DTBG) and tri-tert-butylglycerol (TTBG) have shown to be valuable fuel additives leading to decreases in the emission of particulate matter, hydrocarbons, carbon monoxide and Abstract Sulfonic mesoporous silicas have demonstrated an outstanding catalytic performance in the esterification of levulinic acid with different alcohols to produce alkyl levulinates, a family of chemicals considered to be excellent oxygenated fuel extenders for gasoline, diesel and biodiesel. Catalyst screening indicated that propylsulfonic acid-modified SBA-15 material was the most active Supported and Free‐Standing Sulfonic Acid Functionalized Mesostructured Silica Films with High Proton Conductivity Ralf Supplit Department of Chemical System Engineering, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, 113‐8656 Tokyo, Japan Mesoporous silicas have found widespread application within the field of heterogeneous catalysis.
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Photochromic mesostructured silica pigments dispersed in latex films2005Ingår i: Journal of Materials Chemistry, ISSN 0959-9428, E-ISSN 1364-5501, Vol.

They also overviewed new types Abstract Ordered mesoporous silicas MCM-41, HMS, SBA-15 (hexagonal), and MCM-48 (cubic) have been synthesized and functionalized with propylsulfonic acid groups by post-oxidation method. Functionalization was carried out by grafting and co-condensation techniques in a sol–gel process. This process required TEOS, MPTS and an appropriate surfactant as structure-directing agent. Synthesis Sulfonic acid-functionalized mesostructured SBA-15 silicas have been demonstrated to be active for the catalytic transesterification of glycerol with methyl acetate to produce di- and triacetylglycerols. An optimization of the reaction conditions carried out with pharmaceutical glycerol by means of experimental design methodology showed that it is necessary to use a high methyl acetate to 2008-08-31 · Sulfonic acid-functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yield tert-butylated compounds.

Sulfonic Acid-Functionalized SBA-15 as Strong Cation-Exchange Sorbent for Solid-Phase Extraction of Atropine and Scopolamine in Gluten-Free Grains and Flours Foods . 2020 Dec 12;9(12):E1854. doi: 10.3390/foods9121854.

2020 Dec 12;9(12):E1854. doi: 10.3390/foods9121854. Abstract Silica‐supported sulfonic acids are a class of solid Brønsted acid catalysts that generally comprise organo‐sulfonic acid groups tethered to silica surfaces.

Sulfonic-acid-functionalized mesostructured silicas have demonstrated an excellent catalytic behavior in the etherification of glycerol with isobutylene to yield tert-butylated derivates.