Process for the production of sheet metal/duroplast composite elements

US5194334A · kind A · utility

Assignee

• DSM N.V. · NL

Inventors

• Walter Uerdingen · Leverkusen, DE
• Bert Brassat · Krefeld, DE
• Karl-Ludwig Noble · Cologne, DE
• Bernhard Hess · Moers, DE
• Heino Muller · Leverkusen, DE
• Heinz Eichner · Ratingen, DE

Key dates

• Filing date: Oct 25, 1990
• Grant date: Mar 16, 1993
• Expiry date: Oct 25, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31522
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The use of molding compositions based on unsaturated polyester resins containing specific reactive groups and of sheet metals with a specially selected coating results in sheet metal/duroplast composite elements having excellent adhesion.