Ionic liquids

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 233/58 (2006.01) B01J 31/02 (2006.01) B01J 35/12 (2006.01) C07C 211/63 (2006.01) C07D 213/20 (2006.01) C07F 9/54 (2006.01)

Patent

CA 2182894

This invention relates to a process for making ionic liquids by reacting a solution of a lead salt of an anion desired in the ionic liquid with a solution of a halide of a cation desired in said ionic liquid, separating the precipitate of the lead halide so formed to leave behind a solution of the desired ionic liquid. Ionic liquids are versatile and can be used as catalysts in a number of hydrocarbon conversion reaction such as e.g. alkylation, oligomerisation, isomerisation and polymerisation.

L'invention a pour objet un processus de fabrication de liquides ioniques. Ce procédé consiste à faire réagir une solution d'un sel de plomb d'un anion requis dans le liquide ionique avec une solution d'un halogénure d'un cation requis dans ce liquide ionique; à séparer le précipité de l'halogénure de plomb ainsi formé pour laisser une solution du liquide ionique requis. Les liquides ioniques présentent une grande souplesse d'utilisation et peuvent être utilisées comme catalyseurs dans un certain nombre de réactions de transformation d'hydrocarbures telles que l'alkylation, l'oligomérisation, l'isomérisation et la polymérisation, par exemple.

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