Polyglycol esters, process for their preparation and their use as surface-active agents

US4209333A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Sienling Ong · Hofheim, DE
• Ulrich Cuntze

Key dates

• Filing date: Jun 21, 1978
• Grant date: Jun 24, 1980
• Expiry date: Jun 21, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S516/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Polyglycol esters which can be obtained by partially esterifying an oxalkylate of 1,1,1-trimethylolethane or pentaerythritol with a mixture of ethylene oxide and propylene oxide in the molar ratio of from 2:1 to 4:1 with sub-stoichiometrical amounts of a carboxylic acid having from 10 to 20 carbon atoms or an acylating derivative of such a carboxylic acid may be used as surface-active agents. The polyglycol esters increase and/or stabilize the viscosity of aqueous systems and are also suitable as emulsifying agents.