Plastisols which prevent the yellowing of top coats, process for their preparation and use

US5475056A · kind A · utility

Assignee

• Teroson GmbH · DE

Inventors

• Bernhard Koesters · Eppelheim, DE
• Xaver Muenz · Heidelberg, DE
• Manfred Asang · Schwetzingen, DE

Key dates

• Filing date: Apr 13, 1995
• Grant date: Dec 12, 1995
• Expiry date: Apr 13, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D127/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to plastisols which prevent a yellowing of top coats applied thereon, to a process for their preparation and to their use. The plastisols based on PVC or methacryl contain, in addition to basic adhesion promoters, aldehydes, ketones, their derivatives, oligomers or mixtures of same.