Polycarbonate compositions containing a carboxylic acid and their glycerol or diglycerol esters

US10934415B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Rolf Wehrmann · Krefeld, DE
• Helmut-Werner Heuer · Krefeld, DE
• Anke Boumans · Goch, DE

Key dates

• Filing date: May 22, 2017
• Grant date: Mar 2, 2021
• Expiry date: Jun 10, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K7/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to glass-fibre- and/or carbon-fibre-reinforced polycarbonate compositions having improved flowability coupled with good heat resistance and to articles of manufacture produced from said compositions, in particular those from the thin wall applications sector, for example housing parts for ultrabooks or smartphones. The compositions comprise at least one saturated or unsaturated monocarboxylic acid having a chain length of 6 to 30 carbon atoms and at least one ester of these monocarboxylic acids based on glycerol and/or diglycerol.