Continuous method for producing highly methylolated melamine and etherified melamine formaldehyde resins

US8034929B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jorg Schneider · Wezembeek-Oppem, BE
• Günter Scherr · Ludwigshafen, DE
• Rainer Erhardt · Shanghai, CN
• Andreas Eichfelder · Frankenthal (Pfalz), DE
• Martin Reif · Lichtenfels, DE
• Stefan Hirsch · Neustadt, DE
• Hans Schupp · Worms, DE
• Christel Hittinger · Mannheim, DE
• Alain Robert · Niederkirchen, DE

Key dates

• Filing date: Jan 13, 2005
• Grant date: Oct 11, 2011
• Expiry date: Apr 19, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D251/64
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing polymethylolated melamine and polymethylolated melamine compounds polyetherified with alkanol, wherein the methylolation reaction is carried out in a kneading reactor.