Radiation-hardenable compounds

US8211954B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Nick Gruber · Mannheim, DE
• Reinhold Schwalm · Monsheim, DE
• Erich Beck · Ladenburg, DE
• Yvonne Heischkel · Mannheim, DE
• Gabriele Dlugosch · Worms, DE
• Peter Thuery · Ludwigshafen, DE

Key dates

• Filing date: Dec 21, 2005
• Grant date: Jul 3, 2012
• Expiry date: Oct 30, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D175/16
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Radiation-curable compounds, processes for the preparation thereof, the use thereof and coating materials comprising them and having high scratch resistance, which compounds are polyurethanes comprising allophanate groups and obtained by reaction of di- or polyisocyanates and at least two different compounds, each having at least one group reactive toward isocyanate and at least one unsaturated group capable of free radical polymerization.