Method for producing alkylene glycol

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 29/10 (2006.01)

Patent

CA 2310835

The invention relates to a method for producing alkylene glycol or a mixture of two different alkylene glycols, wherein a reaction mixture containing at least one alkylene oxide or a mixture of two or more different alkylene oxides, a catalyst and water are made to react. The catalyst can not be dissolved in the reaction mixture and has at least one covalently linked acid functional group and at least one covalently linked basic functional group. The invention also relates to a moulded body with at least one acid group and at least one basic functional group, whereby the functional groups are covalently linked to the support.

L'invention concerne un procédé de préparation d'alkylèneglycol ou d'un mélange de deux différents alkylèneglycols ou plus, selon lequel un mélange réactionnel contenant au moins un oxyde d'alkylène ou un mélange de deux différents oxydes d'alkylène ou plus, un catalyseur et de l'eau sont mis à réagir. Le catalyseur est non soluble dans le mélange réactionnel et comprend au moins un groupe acide fonctionnel lié de manière covalente. L'invention concerne en outre un corps moulé contenant un support inorganique qui comporte au moins un groupe acide fonctionnel et au moins un groupe basique fonctionnel, lesdits groupes fonctionnels étant liés de manière covalente avec le support.

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