Process for preparing polyether alcohols

US8618337B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Sirus Zarbakhsh · Ludwigshafen, DE
• Markus Schuette · Melle, DE
• Marc Fricke · Straubing, DE

Key dates

• Filing date: Apr 22, 2011
• Grant date: Dec 31, 2013
• Expiry date: Apr 22, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/5027
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c).