Polyurethanes containing sulphide groups, polymeric mixtures based thereon, production and use thereof

US7129288B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Wilma Locken · Haltern, DE
• Heinz-Peter Rink · Hachenburg, DE
• Thomas Krüger · Leverkusen, DE
• Stefan Schwarte · Emsdetten, DE
• Hans-Ulrich Moritz · Hanstedt, DE
• Hartmut Kagerer · Hamburg, DE

Key dates

• Filing date: Oct 30, 2001
• Grant date: Oct 31, 2006
• Expiry date: Oct 30, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S528/905
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Novel polyurethanes containing sulfide groups which comprise at least one group of the general formula I in the polymer main chain and/or at least one group of the general formula II incorporated at the chain end:—X—A—S—B—Y—  (I)—X—A—S—B—YH  (II)in which the variables have the following definitions: