C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/465.2
C07C 303/24 (2006.01) C07C 305/06 (2006.01) C07C 305/10 (2006.01)
Patent
CA 1310657
PROCESS FOR THE MANUFACTURE OF HIGHER FATTY MONOGLYCERIDE MONOSULFATE DETERGENTS ABSTRACT OF THE DISCLOSURE: A process for the manufacture of water soluble higher fatty monoglyceride monosulfate detergents is described which includes reacting a sulfating agent, such as chlorosulfuric acid, with glycerol dissolved in an organic solvent, such as chloroform, to trisulfate the glycerol, reacting the glycerol trisulfuric acid made with a higher fatty acid or a higher fatty acid methyl ester in such a solvent, extracting the reac- tion mixture with a solvent for the monoglyceride disulfuric acid, such as aqueous lower alkanol, and neutralizing the extracted monoglyceride disulfuric acid with an aqueous neutra- lizing agent to make the water soluble detergent salt. Among preferable detergent salts made are sodium hydrogenated coco fatty monoglyceride sulfate, sodium. hydrogenated palm kernel fatty monoglyceride sulfate, sodium hydrogenated palm fatty monoglyceride sulfate, sodium hydrogenated tallow fatty mono- glyceride sulfate, and mixtures of two or more thereof. In modifications of the processes the extraction and neutraliza- tion operations are effected simultaneously, preferably with a slurry of sodium bicarbonate, as neutralizing agent, in aqueous lower alkanol. The products resulting are of improved quality and of higher detergent content and the processes are more efficient, requiring only stoichiometric amounts of reagents, reducing formation of sodium sulfate and improving the yields of detergent, compared to similar prior art products and processes for the production thereof.
577101
Colgate-Palmolive
Smart & Biggar
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