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- W2388471567 abstract "To synthesize ethylene carbonate(EC) with urea and ethylene glycol(EG) as raw materials under the catalysis of compound catalyst.To investigate the influence of the ratio of reactants,catalyst amount,reaction temperature and reaction time of processing conditions on the reaction,determine the optimum process conditions:n(urea)∶n(EG)= 2∶3,2.6% of the mass fraction of catalyst,reaction temperature 135 ℃,reaction time 4.5 h,and discuss the catalyst separation encountered in the subsequent refining process and material polymerization." @default.
- W2388471567 created "2016-06-24" @default.
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- W2388471567 date "2012-01-01" @default.
- W2388471567 modified "2023-09-25" @default.
- W2388471567 title "Synthesis of Ethylene Carbonate by Alcoholysis of Urea and Refining Process" @default.
- W2388471567 hasPublicationYear "2012" @default.
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