Patent ID: 8541629
Filing Date: 2013-09-24
Classification: C07C

Abstract:
1. A process of producing a glycol ether product, comprising the step of contacting (i) an alcohol selected from the group consisting of an aliphatic monohydric alcohol and a phenolic alcohol; (ii) at least one alkylene oxide selected from the group consisting of ethylene oxide and propylene oxide, and (iii) a catalyst amount of at least one aromatic, heterocyclic amine selected from the group consisting of imidazole, benzimidazole, 1-methylimidazole, and 2-methylimidazole; at a temperature between 50 and 160° C. and a pressure between 0.098 and 4.9 MPa, the alcohol and the alkylene oxide present at a molar ratio within a range of from 1:2 to 7:1, and the aromatic, heterocyclic amine present in an amount between 1 and 5,000 ppm based on the combined amount of alcohol and alkylene oxide.