Process for the preparation of polyether ester polyols

US8716515B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Klaus Lorenz · Worms, DE
• Reinhard Albers · Leverkusen, DE
• Frank Otto · Hilden, DE

Key dates

• Filing date: Oct 15, 2009
• Grant date: May 6, 2014
• Expiry date: Sep 2, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2101/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of polyether ester polyols starting from fatty acid esters and starter compounds having Zerewitinoff-active hydrogen atoms, and to their use in the production of solid or foamed polyurethane materials.