A method of making a synthetic alkylaryl sulfonate

Details A method of making a synthetic alkylaryl sulfonate A method of making a synthetic alkylaryl sulfonate

C - Chemistry, Metallurgy

07

C

C07C 309/31 (2006.01)

Patent

CA 2706345

A process for preparing a synthetic petroleum sulfonate comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst, wherein the resulting product comprises at least about 60 weight percent of a 1,2,4- trialkylsubstituted aromatic compound; (b) sulfonating the product of (a); and (c) neutralizing the product of (b) with an alkali or alkaline earth metal hydroxide or ammonia.

L'invention concerne un procédé pour préparer un sulfonate de pétrole synthétique qui comporte (a) la mise en réaction d'une première quantité d'au moins un composé aromatique avec une première quantité d'un mélange d'oléfines ayant d'environ 8 à environ 100 atomes de carbone, en présence d'un catalyseur acide fort, le produit résultant comportant au moins environ 60 pour cent en poids d'un composé aromatique 1,2,4-trialkylsubstituté ; (b) la sulfonation du produit de (a), et (c) la neutralisation du produit de (b) avec un hydroxyde de métal alcalin ou alcalino-terreux, ou de l'ammoniac.

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