Super acidic catalysts for the synthesis of...

C - Chemistry – Metallurgy – 07 – C

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C07C 41/06 (2006.01) B01J 29/08 (2006.01) C07C 43/04 (2006.01)

Patent

CA 2046694

In accordance with the present invention, there is now provided a novel selective catalyst useful for the synthesis of methyl-tert-butyl ether (MTBE) or ethyl-tert-butyl ether (ETBE) prepared by reacting isobutene with methanol orethanol, respectively. More specifically, the catalyst of the present invention comprises from about 0.5 to about 7% by weight of triflic acid (trifluoro-methanesulfonic acid, CF3SO3H, hereafter referred to as TFA) incorporated onto an acid form Y zeolite.

Nouveau catalyseur sélectif pour la synthèse d'éther-oxyde méthyl-tert-butylique (MTBE) ou d'éther-oxyde éthyl-tert-butylique (ETBE), préparés par réaction d'isobutène avec respectivement du méthanol ou de l'éthanol. Plus précisément, le catalyseur de la présente invention renferme de 0,5 à 7 % environ en poids d'acide triflique (acide trifluoro-méthanesulfonique, CF3SO3H, appelé ici TFA), incorporé sur un acide pour former une zéolite Y.

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