文献类型：期刊文献

中文题名：Reactive extraction for intensifying 2-ethylhexyl acrylate synthesis using deep eutectic solvent [Im:2PTSA]

作者：Ruizhuan Wang[1];Hao Qin[1];Jingwen Wang[1];Hongye Cheng[1];Lifang Chen[1];Zhiwen Qi[1]

机构：[1]State Key Laboratory of Chemical Engineering and School of Chemical Engineering,East China University of Science and Technology,130 Meilong Road,Shanghai,200237,China

年份：2021

卷号：6

期号：3

起止页码：405

中文期刊名：Green Energy & Environment

外文期刊名：绿色能源与环境（英文版）

收录：CSTPCD;;Scopus;CSCD:【CSCD2021_2022】；

基金：The financial support from National Natural Science Foundation of China(21776074,21861132019 and 21978096)is greatly acknowledged

语种：英文

中文关键词：2-Ethylhexyl acrylate;Deep eutectic solvent;Reactive extraction;Esterification kinetics;COSMO-RS

摘要：2-Ethylhexyl acrylate(2-EHA)is one of the most widely used acrylates in the polymer industry,which is synthesized via Fisher esterification that is limited by chemical equilibrium.To intensify the esterification process,in this work,reactive extraction concept is proposed,with halogen-free deep eutectic solvent(DES[Im:2PTSA])as dual solvent-catalyst that consists of imidazole(Im)and p-toluenesulfonamide(PTSA).The bifunctional effects of the DES[Im:2PTSA]are evaluated by thermodynamic analysis and experimental study.Favorable phase splitting is verified byσ-potential analysis predicted by COSMO-RS theory,combined with experiments,and the optimal acid-to-alcohol molar ratio is set to 1.2.The esterification kinetics is then experimentally determined and fitted using the molar-based and activity-based pseudo-homogeneous(PH)models,respectively.The activity-based PH model,that considers the bifunctional roles of the DES,proves to be more accurate with small RMSD of 0.0344.The stability of DES after recycling is validated to further confirm the industrial prospects of DES[Im:2PTSA]in 2-EHA production.