Surface coatings and a process for their production

US5412056A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Christian Zwiener · Cologne, DE
• Michael Sonntag · Odenthal, DE
• Dieter Margotte

Key dates

• Filing date: Aug 5, 1994
• Grant date: May 2, 1995
• Expiry date: Aug 5, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D175/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A coating composition in which the binding agent is a two-component system containing a) a polyisocyanate component and b) an isocyanate-reactive component and contains b1) specific ester group-containing secondary polyamines, b2) specific moisture-activatable blocked polyamines and b3) optionally other known compounds containing isocyanate-reactive groups, and a process for preparing coated substrates from this coating composition.