期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 11, 期 21, 页码 6999-7008出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cy01128f
关键词
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资金
- National Science Foundation of China [21101084]
- Scientific Research Fund of Liaoning Provincial Education Department [LJC202007]
- Liaoning Provincial Natural Science Fund Project [2020-MS-140]
- Liaoning Provincial Natural Science Fund Guidance Project [20180550928]
- Collaborative Innovation Centre of Applicative Technology of Clean Energy Resources in Fujian Province [2016-71]
In this study, a novel, efficient, experimentally simple, and environmentally friendly synthesis route was developed using hydroxy acid-functionalized ionic liquids as catalysts for the conversion of carbon dioxide and epoxides to cyclic carbonates under solvent and co-catalyst-free conditions. The catalysts showed outstanding catalytic activity, with the ability to be reused multiple times without significant loss.
An innovative, efficient, experimentally simple and environmentally friendly synthesis route of cyclic carbonates from carbon dioxide and epoxide applying novel hydroxy acid-functionalized ionic liquids as efficient catalysts under solvent and co-catalyst-free conditions has been developed. These hydroxy acid-functionalized ionic liquids exhibit outstanding catalytic activity for the conversion of CO2 and various epoxides to cyclic carbonates. The effects of reaction parameters (amount of catalyst, CO2 pressure, reaction time and temperature) on the catalytic activity for chloropropene carbonate synthesis from epichlorohydrin and CO2 are examined and optimized. The catalysts could be reused for at least seven times without any noticeable loss of selectivity and activity. The activation energy was determined to be 66.9 kJ mol(-1). Finally, a possible reaction mechanism is proposed.
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