Parallel Microwave-Assisted Synthesis of Ionic Liquids and Screening for Denitrogenation of Straight-Run Diesel Feed by Liquid-Liquid Extraction
作者:Miguel A. Ceron、Diego J. Guzman-Lucero、Jorge F. Palomeque、Rafael Martinez-Palou
DOI:10.2174/138620712800194477
日期:2012.4.1
Fifty-six ionicliquids were efficiently synthesized in parallel format under one-pot, solvent-freemicrowave-assisted synthesis. These compounds were evaluated as extracting agents of nitrogen-containing compounds from a real Diesel feed before being submitted to the hydrodesulfurization process to obtain ultralow sulfur Diesel. Our results showed that halogenated ionicliquids are an excellent alternative
A process for the preparation of imidazolium carbenes of formula (I) wherein R
1
and R
2
which can be the same or different, are hydrogen or linear or branched hydrocarbyl groups comprising heating an imidazolium halide with a strong base under reduced pressure and separating the resultant products is described. Also described is a process for the preparation of salts of these imidazolium carbenes,
1
and their use as ionic liquids.
Synthesis and study of ionic interactions by volumetric, transport, FT-IR and computational methods of alkyl imidazolium acetate ionic liquid with molecular solvents (DMSO, DMF & EG) at T = (293.15–363.15) K
Abstract In this work, the ionicliquid (IL) 1-octyl-3-methylimidazolium acetate [C1C8IM][OAc] was synthesized through the neutralization process followed by metathesis method. The experimental density (ρ) and viscosity (η) of the pure components as well as binary solutions of IL with molecularsolvents such as dimethyl sulfoxide (DMSO), dimethylformamide (DMF) and ethylene glycol (EG) have been measured
摘要 本工作通过中和后复分解法合成了离子液体(IL)1-辛基-3-甲基咪唑乙酸盐[C1C8IM][OAc]。已测量纯组分的实验密度 (ρ) 和粘度 (η) 以及 IL 与分子溶剂如二甲亚砜 (DMSO)、二甲基甲酰胺 (DMF) 和乙二醇 (EG) 的二元溶液的函数在 T = (293.15–363.15) K 和 0.1 Mpa 压力下,以摩尔浓度表示的 IL 浓度。从实验密度数据表观摩尔体积 (VΦ)、无限稀释表观摩尔体积 (VΦ∞)、表观摩尔极限参数 (Sv) 和表观摩尔膨胀率 (EΦΟ) 在 Redlich-Mayer 方程的帮助下计算。通过使用琼斯-多尔方程来分析实验粘度数据以评估经验系数(A和B)。分析获得的参数以了解研究的二元溶液在各种温度范围内的离子溶剂或离子离子相互作用。此外,进行了 FT-IR 光谱研究以证明氢键相互作用的合理性。进行密度泛函理论 (DFT) 以了解 IL
Tailoring the molecular weight of isosorbide-derived polycarbonates <i>via</i> regulating the H-bond donor/acceptor ability of task-specific ionic liquid catalysts
CO2-based compound dimethyl carbonate (DMC) as a monomer and ionicliquids (ILs) as metal-free catalysts. The molecular weight of PICs can be readily controlled by varying the cation structure of IL catalysts. Control experiments, density functional theory (DFT) calculations, and Kamlet–Taft solvent parameters indicated that the H-bond donor/acceptor (HBD/HBA) ability of IL catalysts played a dominant role
Process for preparing high-reactivity isobutene homo- or copolymers
申请人:BASF SE
公开号:US10975175B2
公开(公告)日:2021-04-13
The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol %. The present invention further relates to novel isobutene polymers.