Ether sulfonates
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsRobert Piorr, Alfred Meffert
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Abstract
Ether sulfonates are produced by reacting a C.sub.10 -C.sub.20 fatty alkyl C.sub.1 -C.sub.6 lower alkyl ether or a fatty alkyl (polyoxyalkyl) lower alkyl ether corresponding to the following formula R--O--(C.sub.n H.sub.2n O).sub.x --R.sup.1 (I) ps in which R is an oleyl, palmitoleyl, or linoleyl radical, or mixtures thereof, n is an integer of from 2 to 4, x is an integer of from 0 to 30, and R.sup.1 is a saturated C.sub.1 -C.sub.6 lower alkyl radical, with sulfur trioxide, contacting the sulfonate with aqueous alkali metal hydroxide solution and heating the solution until the sultones formed have been hydrolyzed.
Claims11
An ether sulfonate which is the aqueous alkali metal hydroxide treated reaction product of sulfur trioxide and either an unsaturated C.sub.10 -C.sub.20 fatty alkyl C.sub.1 -C.sub.6 lower alkyl ether or an unsaturated fatty alkyl polyoxyalkyl lower alkyl ether of the formula R--O(C.sub.n H.sub.2n O).sub.x --R.sup.1 (I) wherein R is an oleyl, palmitoleyl, or linoleyl group, n is an integer of from 2 to 4, x is an integer of from 0 to 30, and R.sup.1 is a C.sub.1 -C.sub.6 lower alkyl group.
The alkali metal salt of oleyl alcohol-5 EO-butylether sulfonate.
The alkali metal salt of oleyl alcohol-10 EO-butylether sulfonate.
The alkali metal salt of oleyl alcohol-20 EO-butylether sulfonate.
Dependencies are inferred from the claim text.