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Advanced Functional Materials, EarlyView.For the first time, an extreme‐thick laser‐arc PVD ta‐C (DLC) coating exceeding 100 µm is demonstrated, opening up new possibilities for ultra‐high load bearing capacity. This superhard amorphous carbon architecture combines >50% sp3 bonding, robust adhesion and self‐supporting performance, shielding substrates from plastic flow under extreme contact ...
Martin Zawischa +3 more
wiley +1 more source
Cyclic Carbonates Synthesised From CO2: Applications, Challenges and Recent Research Trends [PDF]
Current Opinion in Green and Sustainable Chemistry, 2021 Cyclic carbonates are a class of versatile compounds that can be prepared using the greenhouse gas carbon dioxide as building block and that can find applications as green solvents and as sustainable alternative to toxic reactants currently employed in ...
Nick Daems, Paolo P Pescarmona
exaly +2 more sources
Catalytic Transformations of Functionalized Cyclic Organic Carbonates
Angewandte Chemie - International Edition, 2018 Functionalized cyclic organic carbonates and related heterocycles have emerged as highly versatile heterocyclic substrates for ring-opening and decarboxylative catalytic transformations allowing for the development of new stereo- and enantioselective C‒N,
Wusheng Guo +2 more
exaly +1 more source
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Safer Polyurethane Foams with Cyclic Carbonates
Angewandte Chemie, 2023AbstractPolyurethanes (PUs) are a class of materials usually synthesized from isocyanates, diols, and water. Water is essential for producing carbon dioxide (CO2) which is used for the self‐blowing of the foams. Due to safety concerns with the production of isocyanates, alternative chemistries have been evaluated and cyclic carbonate systems have shown
Alexandra D. Easley +2 more
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Tetrahedron, 2019
Abstract Hydroiodides of amidines can catalyze the reaction of carbon dioxide and epoxides under mild conditions such as ordinary pressure and ambient temperature, and the corresponding five-membered cyclic carbonates were obtained in high yields. The reaction of epoxide with carbon disulfide was also examined under the same conditions.
Naoto Aoyagi +2 more
openaire +1 more source
Abstract Hydroiodides of amidines can catalyze the reaction of carbon dioxide and epoxides under mild conditions such as ordinary pressure and ambient temperature, and the corresponding five-membered cyclic carbonates were obtained in high yields. The reaction of epoxide with carbon disulfide was also examined under the same conditions.
Naoto Aoyagi +2 more
openaire +1 more source
Conversion of Carbon Dioxide and Olefins into Cyclic Carbonates in Water.
ChemInform, 2007AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Nicolas Eghbali, Chao-Jun Li
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Synthesis of cyclic carbonates with carbon dioxide and cesium carbonate
Green Chemistry, 2013Cyclic carbonates are important compounds for the synthesis of biocompatible polymers and linear dialkyl carbonates, as well as solvents and electrolytes. We report here the synthesis of such compounds from easily accessible starting materials with carbon dioxide as a C1 source and caesium carbonate as the base. This new methodology is able to yield 5-
Michael R. Reithofer +2 more
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Preparation and Utility of Cyclic Enol Carbonates.
ChemInform, 2004AbstractFor Abstract see ChemInform Abstract in Full Text.
Mark Lautens, Matthew L. Maddess
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Novel Methodologies for the Synthesis of Cyclic Carbonates
Chemistry – A European Journal, 2004Abstract Cyclic carbonates are valuable compounds that have applications in a variety of chemical fields. Methodologies for the synthesis of cyclic carbonates are well investigated in recent years, and the most successful and popular procedure is the utilization of CO 2 ...
Masahiro, Yoshida, Masataka, Ihara
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Reactive Jojoba and Castor Oils-Based Cyclic Carbonates for Biobased Polyhydroxyurethanes
European Polymer Journal, 2019 International audienceSyntheses of novel biobased PolyHydroxyUrethane (PHU) have been performed from Jojoba and castor oil. Cyclic carbonate monomers with various functionality were synthesized from both jojoba and castor oils.
Fouad Malek +2 more
exaly +2 more sources