Articles with "cyclic carbonate" as a keyword



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From the Synthesis of Biobased Cyclic Carbonate to Polyhydroxyurethanes: A Promising Route towards Renewable Non-Isocyanate Polyurethanes.

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Published in 2019 at "ChemSusChem"

DOI: 10.1002/cssc.201900737

Abstract: With a global production of around 18 million tons (6th among all polymers) and a wide range of applications, such as rigid and soft foams, elastomers, coatings, and adhesives, polyurethanes (PUs) are a major polymer… read more here.

Keywords: synthesis biobased; isocyanate polyurethanes; non isocyanate; cyclic carbonate ... See more keywords
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Synthesis and antibacterial activity of novel 3-O-descladinosylazithromycin derivatives.

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Published in 2017 at "European journal of medicinal chemistry"

DOI: 10.1016/j.ejmech.2016.10.065

Abstract: Novel series of novel 3-O-arylalkylcarbamoyl descladinosylazithromycin derivatives with the 2'-O-acetyl and 11,12-cyclic carbonate groups, the 11,12-cyclic carbonate group and the 11-O-arylalkylcarbamoyl side chain, and 2'-O-arylalkylcarbamoyl descladinosylazithromycin with the 11,12-cyclic carbonate group were designed, synthesized and… read more here.

Keywords: novel; antibacterial activity; descladinosylazithromycin derivatives; activity ... See more keywords
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Cyclic carbonate for highly stable cycling of high voltage lithium metal batteries

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Published in 2019 at "Energy Storage Materials"

DOI: 10.1016/j.ensm.2018.11.003

Abstract: Abstract The lithium metal battery (LMB) is one of the most promising next-generation battery systems due to its ultrahigh energy density. However, problematic dendrite formation and low Coulombic efficiency (CE) greatly limit its practical application.… read more here.

Keywords: cyclic carbonate; lithium metal; metal; lithium ... See more keywords
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From multi-functional siloxane-based cyclic carbonates to hybrid polyhydroxyurethane thermosets

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Published in 2019 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2019.109280

Abstract: Abstract In this study, various novel cyclic carbonate-siloxane monomers were synthesized by hydrosilylation and CO2 carbonation of allyl glycidyl ether and epoxy-eugenol functions. Different structures were obtained from cyclic siloxane (D4) or linear PMHS-PDMS polymers… read more here.

Keywords: multi functional; functional siloxane; siloxane; siloxane based ... See more keywords
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Synthesis of bio-based cyclic carbonate from vegetable oil methyl ester by CO2 fixation with acid-base pair MOFs

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Published in 2020 at "Industrial Crops and Products"

DOI: 10.1016/j.indcrop.2020.112155

Abstract: Abstract Bio-based five-membered cyclic carbonates were synthesized from renewable O-acetyl methyl ricinoleate that from crops and CO2 via two steps and the products after each reaction step were characterized by fourier transform infrared spectroscopy. For… read more here.

Keywords: methyl; acid base; base pair; co2 ... See more keywords
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Identification and tuning of active sites in selected mixed metal oxide catalysts for cyclic carbonate synthesis from epoxides and CO2

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Published in 2019 at "Journal of CO2 Utilization"

DOI: 10.1016/j.jcou.2019.07.018

Abstract: Abstract The reaction of CO2 with epoxides to produce cyclic carbonate is one of the important transformations of CO2 which has commercial applications. In this study, several mixed metal oxides were explored as potential catalysts… read more here.

Keywords: metal oxides; cyclic carbonate; co2; metal ... See more keywords
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Amine functionalized polyglycerols obtained by copolymerization of cyclic carbonate monomers

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Published in 2018 at "Polymer"

DOI: 10.1016/j.polymer.2018.07.055

Abstract: Abstract Hyperbranched aliphatic polyethers containing hydroxyl and amine end groups were produced from glycerol carbonate (4-hydroxymethyl-1,3-dioxolan-2-one) and cyclic carbonate bearing phthalimide moieties. The new monomer N-[(2-oxo-1,3-dioxolan-4-yl)methyl]phthalimide was synthesized in a simple two-step, one-pot process. The… read more here.

Keywords: amine functionalized; functionalized polyglycerols; carbonate monomers; polyglycerols obtained ... See more keywords
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Ionic Liquid Modification of Hierarchical ZSM‑5for Solvent-Free Insertion of CO 2 to Epoxides

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Published in 2020 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.0c01173

Abstract: Hierarchical H-form ZSM-5 (h-ZSM-5) was synthesized and successfully functionalized with imidazolium-based ionic liquids for solvent-free insertion of carbon dioxide to epoxides and synthesis of cyclic carbonate. Tetrapropyl ammonium hydroxide and polyurethane foam were used as… read more here.

Keywords: ionic liquid; free insertion; solvent free; cyclic carbonate ... See more keywords
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Iron Complexes for Cyclic Carbonate and Polycarbonate Formation: Selectivity Control from Ligand Design and Metal-Center Geometry.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b01909

Abstract: A family of 17 iron(III) aminobis(phenolate) complexes possessing different phenolate substituents, coordination geometries, and donor arrangements were used as catalysts for the reaction of carbon dioxide (CO2) with epoxides. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry… read more here.

Keywords: polycarbonate formation; formation; geometry; iron ... See more keywords
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Overcoming Barriers in Polycarbonate Synthesis: A Streamlined Approach for the Synthesis of Cyclic Carbonate Monomers

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Published in 2021 at "Macromolecules"

DOI: 10.1021/acs.macromol.0c02880

Abstract: Accessing cyclic carbonate monomers on a large scale is critical for the development of any new carbonate-based materials platform. The synthesis of carbonate monomers can be a challenging and tedi... read more here.

Keywords: cyclic carbonate; synthesis; barriers polycarbonate; carbonate ... See more keywords
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Simple and Efficient Synthesis of Functionalized Cyclic Carbonate Monomers Using Carbon Dioxide.

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Published in 2022 at "ACS macro letters"

DOI: 10.1021/acsmacrolett.2c00060

Abstract: Aliphatic polycarbonates represent an important class of materials with diverse applications ranging from battery electrolytes, polyurethane intermediates, and materials for biomedical applications. These materials can be produced via the ring-opening polymerization (ROP) of six- to… read more here.

Keywords: carbonate; cyclic carbonate; carbon dioxide; synthesis ... See more keywords