Acrylate-functional blocked polyisocyanate resin for UV/thermally curable coatings

US7144955B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Scott Grace · Dorpsstraat, US
• Michael J. Dvorchak · Monroeville, US
• Richard R. Roesler · Wexford, US
• Dinesh Pethiyagoda · Pittsburgh, US
• Michael K. Jeffries
• Jan Weikard · Neunburg vorm Wald, DE

Key dates

• Filing date: Oct 27, 2003
• Grant date: Dec 5, 2006
• Expiry date: Feb 27, 2024

Classification

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

Abstract

Solvent-based, dual cure coatings incorporating thermally curable blocked polyisocyanates, which also contain unsaturated linkages, and a method for preparing these coatings. The unsaturated linkages, such as acrylate groups, can be crosslinked by free-radical mechanisms such as UV curing.