Results 231 to 240 of about 56,967 (264)

Li diffusion and migration are influenced differently by co-solvents in polymer electrolytes based on poly(ε-caprolactone) and poly(ethylene oxide). [PDF]

Chem Sci
Buyting S, Schönhoff M.
europepmc   +1 more source

Liquid–liquid equilibria for the ternary systems DMC–methanol–glycerol, DMC–glycerol carbonate–glycerol and the quaternary system DMC–methanol–glycerol carbonate–glycerol at catalytic reacting temperatures

Chemical Engineering Research and Design, 2014
Liquid-liquid equilibria of multicomponent systems involved in the synthesis of glycerol carbonate from dimethyl carbonate and glycerol were experimentally measured. Particularly, data for the ternary systems dimethyl carbonate + methanol + glycerol and dimethyl carbonate + glycerol carbonate + glycerol and the quaternary system dimethyl carbonate ...
Jesus Esteban, MIGUEL Ladero, Felix García-Ochoa   +2 more
exaly   +4 more sources

Liquid–liquid equilibria for the systems ethylene carbonate + ethylene glycol + glycerol; ethylene carbonate + glycerol carbonate + glycerol and ethylene carbonate + ethylene glycol + glycerol carbonate + glycerol at catalytic reacting temperatures

Chemical Engineering Research and Design, 2015
The measurements of the liquid-liquid equilibria implied in the reaction system to yield glycerol carbonate from ethylene carbonate and glycerol were performed. First, data for the ternary systems consisting of ethylene carbonate. +. ethylene glycol. +. glycerol as well as ethylene carbonate. +. glycerol carbonate. +. glycerol at 313.2, 318.2 and 323.2.
Esteban, J.; id_orcid 0000-0003-3729-5378, Ladero, M., García-Ochoa, F.   +2 more
openaire   +3 more sources

Glycerol carbonate synthesis from glycerol and dimethyl carbonate using guanidine ionic liquids

Chinese Journal of Chemical Engineering, 2017
Abstract A large number of surplus glycerol from the biodiesel production can be used as renewable feedstock to produce glycerol carbonate. In this paper, a series of guanidine-based ionic liquids were synthesized to catalyze the transesterification of glycerol and dimethyl carbonate.
Xingxing Wang, Peng Zhang, Penglei Cui, Weiguo Cheng, Suojiang Zhang   +4 more
core   +3 more sources

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Chemical equilibrium of glycerol carbonate synthesis from glycerol

Journal of Chemical Thermodynamics, 2011
In this paper, the chemical equilibrium for the glycerol carbonate preparation from glycerol was investigated. The chemical equilibrium constants were calculated for the reactions to produce glycerol carbonate from glycerol. The theoretical calculation was compared with the experimental results for the transesterification of glycerol with dimethyl ...
Tao Wang
exaly   +2 more sources

Synthesis of glycerol carbonate from glycerol and dimethyl carbonate catalyzed by KF modified hydroxyapatite

Journal of Industrial and Engineering Chemistry, 2011
Abstract Hydroxyapatite (HAP) modified with different metal salts were prepared by wet-impregnation method and used as a catalyst for the synthesis of glycerol carbonate via transesterification from glycerol and dimethyl carbonate (DMC). It was found that KF/HAP was a highly efficient heterogeneous catalyst for the synthesis of glycerol carbonate and
Rongxian Bai, Guangxing Li
exaly   +2 more sources

Coupling reaction and azeotropic distillation for the synthesis of glycerol carbonate from glycerol and dimethyl carbonate

Chemical Engineering and Processing: Process Intensification, 2010
A new process, coupling reaction and azeotropic distillation was proposed for the synthesis of glycerol carbonate (GC) from glycerol (G) and dimethyl carbonate (DMC). The bench scale experimental investigation was systematically conducted for this new process.
Tao Wang
exaly   +2 more sources

Microwave assisted synthesis of glycerol carbonate from glycerol and urea

Pure and Applied Chemistry, 2017
Abstract The transformation of glycerol into value-added chemicals is an interesting topic in Green Chemistry. The glycerolysis of urea into glycerol carbonate is an important route of glycerol transformation. In this work, the synthesis of glycerol carbonate from glycerol and urea was performed under microwave irradiation and solvent ...
Lujun Zhang, Zhaofu Zhang, Congyi Wu, Qingli Qian, Jun Ma, Long Jiang, Buxing Han   +6 more
openaire   +2 more sources

Synthesis of glycerol carbonate from glycerol and urea with gold-based catalysts

Dalton Transactions, 2011
The reaction of glycerol with urea to form glycerol carbonate is mostly reported in the patent literature and to date there have been very few fundamental studies of the reaction mechanism. Furthermore, most previous studies have involved homogeneous catalysts whereas the identification of heterogeneous catalysts for this reaction would be highly ...
Hammond, Ceri, Lopez-Sanchez, Jose A., Hasbi Ab Rahim, Mohd, Dimitratos, Nikolaos, Jenkins, Robert L., Carley, Albert F., He, Qian, Kiely, Christopher J., Knight, David W., Hutchings, Graham J.   +9 more
openaire   +4 more sources

Lipase-catalyzed synthesis of glycerol carbonate from renewable glycerol and dimethyl carbonate through transesterification

Journal of Molecular Catalysis B: Enzymatic, 2007
Glycerol carbonate is a key multifunctional compound employed as solvent, additive, monomer, and chemical intermediate. Enzymatic synthesis of glycerol carbonate from renewable starting materials (glycerol and dimethyl carbonate) was successfully ...
Yong Hwan Kim, Bong Keun Song
exaly   +2 more sources