Oil-absorbent polyurethane sponges with good mechanical properties

US9023908B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Nils Mohmeyer · Mannheim, DE
• Ralf Fritz · Bohmte, DE
• Bernd Bruchmann · Ludwigshafen, DE
• Anna Cristadoro · Heppenheim, DE
• Marcus Leberfinger · Georgsmarienhütte, DE
• Antje van der Net · Kassel, DE

Key dates

• Filing date: May 24, 2011
• Grant date: May 5, 2015
• Expiry date: Apr 16, 2033

Classification

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

Abstract

The present invention relates to a method for adsorbing and/or absorbing oil, by bringing oil into contact with a polyurethane sponge with excellent mechanical properties.