Use of organosilicon compounds to thicken oils

US4844826A · kind A · utility

Assignee

• Th. Goldschmidt. AG · DE

Inventors

• Dietmar Schaefer · Hattingen, DE
• Klaus Hoffmann · Essen, DE

Key dates

• Filing date: Sep 16, 1988
• Grant date: Jul 4, 1989
• Expiry date: Sep 16, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10M2229/048
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Thickeners of the general formula ##STR1## wherein R.sup.1 is alkyl with 18 to 36 carbon atoms, PA0 R.sup.2 is hydrogen, methyl or a group of the general formula --(CH.sub.2).sub.x R.sup.3, PA1 R.sup.3 being a COOR.sup.4 group, in which R.sup.4 is hydrogen or alkyl with 1 to 4 carbon atoms, or PA1 a --O[C.sub.r H.sub.2r O--].sub.y R.sup.5 group, in which R.sup.5 is hydrogen, alkyl with 1 to 4 carbon atoms or acyl, r=2 or 3 and y.gtoreq.0, PA1 x=2 to 12, PA0 n.gtoreq.20 and m=0 to 0.5n, are disclosed for hydrocarbon oils, ester oils and vegetable oils. The thickeners are incorporated in the oil in amounts of 2 to 10% by weight, based on the oil. The organopolysiloxanes, effective as thickeners, are usable for many purposes, are effective in small concentrations and are physiologically safe. They are therefore suitable for thickening cosmetic or pharmaceutical preparations based on hydrocarbons, ester oils and vegetable oils.