Improving the flowability of thermoconductive polycarbonate compositions

US10472516B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

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

Key dates

• Filing date: Jul 5, 2016
• Grant date: Nov 12, 2019
• Expiry date: Aug 30, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/001
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to the use of diglycerol esters to enhance the flowability of graphite-containing, thermally conductive polycarbonate compositions. Melt viscosities and melt volume flow rates are improved.