A novel bifunctional task-specific ionic liquid(TSIL),i.e.[trialkylmethylammonium][sec-nonylphenoxy acetate]([A336] [CA-100]) was impregnated on intermediate polarized XAD-7 resin,and the prepared solvent impreganated...A novel bifunctional task-specific ionic liquid(TSIL),i.e.[trialkylmethylammonium][sec-nonylphenoxy acetate]([A336] [CA-100]) was impregnated on intermediate polarized XAD-7 resin,and the prepared solvent impreganated resin(SIR) was studied for rare earth(RE) separation.Adsorption ability of the SIR was indicated to be obviously higher than that prepared by [A336][NO3] because of the functional anion of [A336][CA-100].Adsorption kinetics,adsorption isotherm,separation and desorption of the SIR were also stu...展开更多
Benzoin condensation promoted efficiently in three imidazolium based room tempera- ture ionic liquids [bmim]Br, [bmim]BF4 and [Bnmim]BF4 is reported for the first time. Benzoins were obtained in up to 91% yield within...Benzoin condensation promoted efficiently in three imidazolium based room tempera- ture ionic liquids [bmim]Br, [bmim]BF4 and [Bnmim]BF4 is reported for the first time. Benzoins were obtained in up to 91% yield within less than 30 min under mild conditions.展开更多
Several task-specific ionic liquids(TSILs) with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala]) for the CO<sub>2</sub> ab...Several task-specific ionic liquids(TSILs) with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala]) for the CO<sub>2</sub> absorption.[N<sub>2222</sub>][L-Ala]has been chosen as a green and efficient activator for methyldiethanolamine(MDEA).The densities,viscosities and absorption properties of the equimolar[N<sub>2222</sub>][L-Ala]-MDEA blended absorbents were investigated.Low viscosity and density values support the idea that blended absorbents are preferred in the industrial applications.[N<sub>2222</sub>][L-Ala]-MDEA behave similarly to the aqueous counterparts but offer more advantages,such as large absorption capacities,fast absorption rate and relatively low damage to the environment.展开更多
基金supported by ‘Hundreds Talents Program’from Chinese Academy of Sciences, National Natural Science Foundation of China (50574080, 20901073)National Key Technology R&D Program of China (2006BAC02A10)Distinguished Young Scholar Foundation of Jilin Province (20060114)
文摘A novel bifunctional task-specific ionic liquid(TSIL),i.e.[trialkylmethylammonium][sec-nonylphenoxy acetate]([A336] [CA-100]) was impregnated on intermediate polarized XAD-7 resin,and the prepared solvent impreganated resin(SIR) was studied for rare earth(RE) separation.Adsorption ability of the SIR was indicated to be obviously higher than that prepared by [A336][NO3] because of the functional anion of [A336][CA-100].Adsorption kinetics,adsorption isotherm,separation and desorption of the SIR were also stu...
基金We thank the financial support from the National Natural Science Foundation of China.(No.20172038)
文摘Benzoin condensation promoted efficiently in three imidazolium based room tempera- ture ionic liquids [bmim]Br, [bmim]BF4 and [Bnmim]BF4 is reported for the first time. Benzoins were obtained in up to 91% yield within less than 30 min under mild conditions.
基金supported by the National Natural Science Foundation (21076101)Technological Support Project of Jiangsu Province(SBE 201000600)
文摘Several task-specific ionic liquids(TSILs) with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala]) for the CO<sub>2</sub> absorption.[N<sub>2222</sub>][L-Ala]has been chosen as a green and efficient activator for methyldiethanolamine(MDEA).The densities,viscosities and absorption properties of the equimolar[N<sub>2222</sub>][L-Ala]-MDEA blended absorbents were investigated.Low viscosity and density values support the idea that blended absorbents are preferred in the industrial applications.[N<sub>2222</sub>][L-Ala]-MDEA behave similarly to the aqueous counterparts but offer more advantages,such as large absorption capacities,fast absorption rate and relatively low damage to the environment.