Coating agents having high scratch resistance and weathering stability

US9353287B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Matthijs Groenewolt · Hachenburg, DE
• Andreas Poppe · Clüversborstel, DE
• Günter Klein
• Manuela Niemeier · Drensteinfurt, DE
• Elke Westhoff · Steinfurt, DE
• Wilfried Stubbe · Greven, DE
• Simone Hesener · Munster, DE

Key dates

• Filing date: Dec 19, 2007
• Grant date: May 31, 2016
• Expiry date: May 11, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D175/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed are coating compositions comprising at least one hydroxyl-containing compound (A) and at least one isocyanato-containing compound (B), wherein one or more of the constituents of the coating composition comprise between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (I)—N(X—SiR″x(OR′)3-x)n(X′—SiR″y(OR′)3-y)m  (I)and between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (II)—Z—(X—SiR″x(OR′)3-x)  (II).