Narrow range alkanol alkoxylates

Details Narrow range alkanol alkoxylates Narrow range alkanol alkoxylates

C - Chemistry, Metallurgy

07

C

260/636.3

C07C 41/03 (2006.01) C07C 43/13 (2006.01)

Patent

CA 1314056

T 2163 A B S T R A C T NARROW RANGE ALKANOL ALKOXYLATES A process for the preparation of narrow-range alkanol alkoxylates by contacting and reacting an alkylene oxide reactant comprising one or more C2 to C4 vicinal alkylene oxides with an alkanol reactant comprising one or more C6 to C30 alkanols in the presence of a catalytically effective amount of a catalyst prepared by contacting (i) sulfuric acid with (ii) an aluminum catalyst component comprising one or more aluminum alcoholates or aluminum phenolates, characterized in that the said contact and reaction are carried out in the presence of a catalyst prepared by contacting the sulfuric acid and the aluminum catalyst component in a molar ratio of sulfuric acid to aluminum alcoholate or phenolate which is in the range from 0.2:1 to 0.7:1 and further in the presence of a quantity of water in a molar ratio of water to aluminum alcoholate or phenolate which is in the range from 0.1:1 to 1.5:1.

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