Method for producing polyaryl ethers

US8378054B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin Weber · Maikammer, DE
• Volker Warzelhan · Bad Dürkheim, DE
• Faissal-Ali El-Toufaili · Ludwigshafen, DE
• Andreas Greiner · Amöneburg, DE
• Heiner Stange · Neuss, DE
• Seema Agrarwal · Marburg, DE

Key dates

• Filing date: Nov 11, 2008
• Grant date: Feb 19, 2013
• Expiry date: Nov 18, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/23
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for preparing polyaryl ethers in which a polycondensation of the monomer building blocks is carried out using microwave irradiation leads to thermoplastic molding compositions having improved color properties.