Process for conducting etherification reactions

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 43/04 (2006.01) C07C 41/06 (2006.01)

Patent

CA 2233885

An improved process for conducting an etherification reaction of alcohols with olefins has been discovered. The process employs a macroporous strong-acid, cation-exchange resin catalyst prepared at a temperature of 120 ~C or higher with a reduced amount of divinylbenzene cross-linker. The etherification catalysts produced in the invention display equivalent or superior catalytic activity than conventional catalysts and are less expensive to produce than conventional catalysts due to reduced amounts of cross-linker.

On a découvert un procédé amélioré destiné à mener une réaction d'éthérification d'alcools avec des oléfines. Le procédé emmploie un acide fort macroporeux, un catalyseur constitué de résine d'échange de cations préparé à une température de 120 ·C ou supérieure avec une quantité réduite d'un agent de réticulation divinylbenzène. Les catalyseurs d'éthérification produits dans l'invention présentent une activité catalytique équivalente ou supérieure à celle de catalyseurs classiques et ils sont moins chers à produire que des catalyseurs classiques du fait des quantités réduites d'agents de réticulation.

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