Polyamines comprising urea groups, method for their production, and their use as hardeners for epoxide resins

US7001972B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jörg Tillack · Bensberg, DE
• Lutz Schmalstieg · Neunburg vorm Wald, DE
• Wolfgang Puetz · Rostock, DE
• Gerhard Ruttmann · Burscheid, DE

Key dates

• Filing date: Jul 17, 2000
• Grant date: Feb 21, 2006
• Expiry date: Jul 17, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D163/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides polyamines which contain urea groups, a process for the preparation thereof and their use to produce adhesives, sealants, embedding compounds, moulded items or coatings.