Coating agent containing addition compounds with silane functionality, and highly scratch-resistant coatings with improved crack resistance

US8603587B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Andreas Poppe · Clüversborstel, DE
• Egon Wegner · Munster, DE
• Guenter Klein · Munster, DE

Key dates

• Filing date: Jan 22, 2008
• Grant date: Dec 10, 2013
• Expiry date: Apr 4, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L75/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed are coating compositions comprising film-forming material with at least one reactive functional group G′″, catalyst for the crosslinking of the silane groups, aprotic solvents, and at least one adduct with silane functionality which is prepared by an addition reaction of Also disclosed are multicoat paint systems in which the transparent coating has been produced from these coating compositions, methods of making and use, as well as methods of improving the hardness and/or the scratch resistance of coatings.