Non-hygroscopic polystyrene-supported chloroaluminate ionic liquid was prepared from the reaction of Merrifield resin with 1- methylimidazole followed by reaction with aluminum chloride. This Lewis acidic ionic liquid...Non-hygroscopic polystyrene-supported chloroaluminate ionic liquid was prepared from the reaction of Merrifield resin with 1- methylimidazole followed by reaction with aluminum chloride. This Lewis acidic ionic liquid is environmentally friendly heterogeneous catalyst for the Knoevenagel condensation of aromatic and aliphatic aldehydes with ethyl cyanoacetate. The catalyst is sta^le （as a bench top catalyst） and reusable.展开更多
The introduction of ionic liquids to alkylation process gives a choice for“green production”in the petrochemical and detergent industry.A lot of papers and patents have been published using chloroaluminate ionic liq...The introduction of ionic liquids to alkylation process gives a choice for“green production”in the petrochemical and detergent industry.A lot of papers and patents have been published using chloroaluminate ionic liquid as a novel catalyst for alkylation with high reactivity and easy separation from reactants.These included the acidity,characterization,determination and catalysis technologies in batch and continuous operation mode for different scales.According to published data and several results of pilot alkylation,including the authors’experience,the prospect of chloroaluminate ionic liquids for commercials was also discussed.It has been pointed out that there still are many difficulties and challenges to be overcome for commercial application of the ionic liquid catalyst.展开更多
基金the partial support of this study by the Shahrekord University Research Council
文摘Non-hygroscopic polystyrene-supported chloroaluminate ionic liquid was prepared from the reaction of Merrifield resin with 1- methylimidazole followed by reaction with aluminum chloride. This Lewis acidic ionic liquid is environmentally friendly heterogeneous catalyst for the Knoevenagel condensation of aromatic and aliphatic aldehydes with ethyl cyanoacetate. The catalyst is sta^le （as a bench top catalyst） and reusable.
文摘The introduction of ionic liquids to alkylation process gives a choice for“green production”in the petrochemical and detergent industry.A lot of papers and patents have been published using chloroaluminate ionic liquid as a novel catalyst for alkylation with high reactivity and easy separation from reactants.These included the acidity,characterization,determination and catalysis technologies in batch and continuous operation mode for different scales.According to published data and several results of pilot alkylation,including the authors’experience,the prospect of chloroaluminate ionic liquids for commercials was also discussed.It has been pointed out that there still are many difficulties and challenges to be overcome for commercial application of the ionic liquid catalyst.
