C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 301/10 (2006.01)
Patent
CA 2759390
A method for enhancing the efficiency of a rhenium-promoted epoxidation catalyst is provided. Advantageously, the method may be carried out in situ, i.e., within the epoxidation process, and in fact, may be carried out during production of the desired epoxide. As such, a method for the epoxidation of alkylenes incorporating the efficiency-enhancing method is also provided, as is a method for using the alkylene oxides so produced for the production of 1,2-diols, 1,2-carbonates, 1,2-diol ethers, or alkanolamines.
L'invention concerne un procédé pour améliorer l'efficacité d'un catalyseur d'époxydation à promoteur rhénium. De manière avantageuse, le procédé peut être mis en uvre in situ, c'est-à-dire, dans un processus d'époxydation, et peut, en fait, s'exécuter pendant la production de l'époxyde désiré. L'invention concerne également un procédé d'époxydation d'alkylènes intégrant le procédé d'amélioration d'efficacité en tant que procédé d'utilisation des oxydes d'alkylène ainsi produits pour la production de 1,2-diols, 1,2-carbonates, 1,2-diol éthers ou d'alkanolamines.
Liu Albert Cheng-Yu
Zhang Liping
Dow Technology Investments Llc
Smart & Biggar
LandOfFree
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