Multi-layer weather-resistant, coloured panel

US8092901B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Rudiger Gorny · Dorpsstraat, US
• Siegfried Anders · Recklinghausen, DE
• Wolfgang Nising · Sankt Augustin, DE
• Wolfgang Ebert · Krefeld, DE
• Robert Maleika · Düsseldorf, DE
• Martin Döbler · Düsseldorf, DE
• Melanie Mothrath · Mülheim an der Ruhr, DE

Key dates

• Filing date: Dec 5, 2002
• Grant date: Jan 10, 2012
• Expiry date: Nov 29, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31786
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A multilayer product characterized by its improved weatherability and mechanical properties is disclosed. The product contains a layer A containing a member selected from the group consisting of transparent thermoplastic material and a lacquer, the member containing at least one UV absorber, a layer B containing a transparent thermoplastic material and containing at least one colorant, and a layer C containing a transparent thermoplastic material. Also disclosed is a process for the preparation of the inventive multilayer product.