The unconventional solvent properties of ionic liquids have been exploited in biocatalyst recycling and product recovery schemes. 目前离子液体的溶解特性已在生物催化再循环和产品的回收方面得到了很好的应用。
Supercritical CO2/ ionic liquid system mainly solves the product isolation problems and realizes succesive industy operation. 超临界CO2/离子液体双绿色体系主要解决产品的分离与生产过程连续化操作问题。
The results showed that the dewatered ionic liquid could still catalyze the alkylation, and the carbonium mechanism was established through the GC-MS analysis of the reaction liquid product. 结果表明,脱水后的离子液体仍然可以催化烷基化反应,液体产物的GC-MS分析结果支持正碳离子机理。
Based on the particular properties of ionic liquids, the reaction medium recycling, product recovery, and water recruiting have been studied. 利用离子液体有别于传统有机溶剂的特性,对离子液体的循环使用、产物的回收和水的补充方法进行了研究。
These results are interpreted in terms of the structure of the micelle solution, electrostatic interactions between ions and micelles, ionic hydratability, changes in the water structure and an activity product effect. 这些结果用胶团溶液结构,离子与胶团的相互作用,离子的水合能力,水结构改变和活度积效应来解释。
The results showed that acid ionic liquids have higher activity and selectivity, stronger acidity is favorable to reaction. But for the alkylation, the acidity of ionic liquids need not very strong, appropriate acidity are help to improve the selectivity of product. 研究结果表明:酸性的离子液体具有较高的活性与选择性,较强的酸性对反应更有利,但对于烷基化反应并不需要酸性太强的离子液体,适宜的酸强度有助于提高目的产物的选择性。
A new type rosin series of non ionic surfactant was synthesized by acrylic acid rosin, polyethylene glycol and sucrose. The structure of the product was investigated by IR spectra and TGA spectra and the surface property of the product was determined. 以丙烯酸松香、聚乙二醇、蔗糖合成了一种新型的松香系列非离子表面活性剂,用IR谱、TGA谱进行结构表征,对其表面性质进行了测定及探讨。
A novel ionic liquid [ Et_3NH] [ CH_3COO] was used as cocatalyst in the aerobic oxidation of 2,3,6-trimethylphenol in this paper. The results show that the amount of catalyst CuCl_2 used in the oxidation reaction could be greatly decreased and the product yield was 74.2%. 本文设计合成了新型离子液体[Et3NH][CH3COO]作为助催化剂用于2,3,6&三甲基苯酚氧化反应,大大减少了催化剂CuCl2的使用量,收率74.2%以上;
The alkylation of o-xylene and 1,2-dichloroethane catalyzed by ionic liquid formed from anhydrous AlCl 3 and quaternary ammonium salt was investigated, whose reaction product is 1,2-bis ( 3,4-dimethylphenyl) ethane. 报道了无水AlCl3与季铵盐形成的离子液体催化邻二甲苯与1,2-二氯乙烷烷基化反应,反应产物为1,2-双(3,4-二甲基苯基)乙烷。
Bifunctional knit goods which have far infrared and negative ionic effects have been developed using nanometer carbide and far infrared finishing agents, thus raising the product grade and the market competitive force. 利用纳米电气石整理剂、远红外整理剂开发具有远红外、负离子双重效应的高附加值产品,提高产品档次和市场竞争力。
Using the ionic liquids, the synthesis process became greener and simpler because of easy product separation and catalyst recycling and unnecessary use of volatile and harmful organic solvents. 使用离子液体使得合成过程变得更加绿色和简单,因为产品易分离,催化剂可以循环利用,而且不必使用挥发性有害的有机溶剂。
The experimental results showed that, although the catalytic activity of ionic liquid was slightly lower than the other two, but it has always been able to maintain high product selectivity. 尽管离子液体的催化活性略低于其他两种催化剂,但其始终能保持产物极高的选择性,在较为活泼的环己烯反应体系中有很大应用空间。
However, many synthetic methodologies of ionic liquids lead to the final product with yellowish or brown color. 在众多的离子液体中烷基咪唑盐是被研究得最多的。然而大多数的现有的合成方法会使离子终产物呈黄色或者棕色。
However, these catalysts can not be reused, so we design the ionic Liquids [ MIMPS] HSO4 and [ TEAPS] HS04, which be modified with PS. The product ester can be easily separated from the system, thus promoting the reaction. 但是由于该类催化剂不能重复使用,因此设计了PS功能化离子液体[MIMPS]HS04和[TEAPS]HS04,由于产物酯能从体系中分离出来,因此促进了反应的进行。