Polyquaternary polysiloxane polymers, their synthesis and use in cosmetic preparations

US4833225A · kind A · utility

Assignee

• Th. Goldschdidt AG · DE

Inventors

• Dietmar Schaefer · Hattingen, DE
• Manfred Krakenberg · Essen, DE

Key dates

• Filing date: Feb 10, 1988
• Grant date: May 23, 1989
• Expiry date: Feb 10, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/54
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Polyquaternary polysiloxane polymers are disclosed comprising repeating units of ##STR1## wherein X is a bivalent hydrocarbon group with at least 4 carbon atoms, which has a hydroxyl group and may be interrupted by an oxygen atom, PA0 Y is a bivalent hydrocarbon group with at least 2 carbon atoms, which has a hydroxyl group and which may be interrupted by an oxygen or nitrogen atom, PA0 R.sup.1, R.sup.2, R.sup.3, R.sup.4 are the same or different and may be alkyl groups with at least 1 to 4 carbon atoms or benzyl groups or in which R.sup.1 and R.sup.3 or R.sup.2 and R.sup.4 may be components of a bridging alkylene group, PA0 A.crclbar. is an inorganic or organic anion, PA0 n=5 to 200 PA0 m is a whole number.gtoreq.1. The compounds may be synthesized by an addition reaction between .alpha.,.omega.-hydrogenpolysiloxane of the formula ##STR2## and epoxides which have a terminal olefinic bond and reacting the product obtained with a diamine of the general formula ##STR3## The polymers may be used in cosmetic preparations, especially in hair cosmetics. They improve the ability to comb the hair wet and dry, increase the gloss and reduce the electrostatic charge on the treated hair.