Process for the preparation of polyether-ester polyols

US9284401B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Klaus Lorenz · Worms, DE
• Reinhard Albers · Leverkusen, DE
• Frank Otto · Hilden, DE
• Ulrich Leyrer · Leverkusen, DE
• Don S. Wardius · Shelby, US
• Keith J. Headley · Paden City, US

Key dates

• Filing date: Mar 5, 2007
• Grant date: Mar 15, 2016
• Expiry date: May 26, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2110/0083
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a process for the preparation of polyols based on fatty acid esters and starter compounds having Zerewitinoff-active hydrogen atoms and the use thereof for the preparation of polyurethane materials.