Radiation-curable paint systems having a lower layer with low-temperature elasticity

US7910197B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frank Dietsche · Schriesheim, DE
• Thomas Jaworek · Kallstadt, DE
• Reinhold Schwalm · Monsheim, DE
• Martin Weber · Maikammer, DE
• Helmut Steininger · Neu-Anspach, DE

Key dates

• Filing date: Jul 16, 2003
• Grant date: Mar 22, 2011
• Expiry date: Jul 16, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31989
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A multicoat system on a substrate, comprising at least one radiation-curable coating system (F) and at least one elastic intercoat (D) which is located between substrate and radiation-curable coating system (F) and has a glass transition temperature (Tg) of −20° C. or less.