Method for producing semi-aromatic copolyamides with a high diamine excess

US10351671B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Axel Wilms · Bad Dürkheim, DE
• Christian Schmidt · Bonn, DE
• Florian Richter · Mannheim, DE
• Joachim Clauss · Scheinfeld, DE
• Gad Kory · Gaiberg, DE
• Stefan Schwiegk · Hamburg, DE
• Arnold Schneller · Mainz, DE

Key dates

• Filing date: Jun 11, 2014
• Grant date: Jul 16, 2019
• Expiry date: May 31, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G69/28
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a method for producing semi-aromatic copolyamides with a high diamine excess in the reaction batch.