Method for lubricating PVC plastics

US4749750A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Hermann Anzinger · Goldkronach, DE
• Kurt Worschech · Loxstedt, DE
• Bernd Wegemund · Haan, DE
• Uwe Ploog · Haan, DE

Key dates

• Filing date: May 26, 1987
• Grant date: Jun 7, 1988
• Expiry date: May 26, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L67/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A method for lubricating/releasing polyvinyl chloride, its copolymers, or polymer mixtures thereof, in which there is added a polyester comrising the polycondensation product of a C.sub.12-24 hydroxy carboxylic acid containing a secondary hydroxyl moiety, which may be chain terminated by a C.sub.8-24 monocarboxylic acid or glycerol.