Condensation products based on rosin

US5073623A · kind A · utility

Assignee

• Basf Lacke & Farben Aktiengesellschaft · DE

Inventors

• Bernhard Prantl · Worms, DE
• Rolf Walz · Rutesheim, DE
• Erwin Stark · Bad Boll, DE

Key dates

• Filing date: Sep 6, 1989
• Grant date: Dec 17, 1991
• Expiry date: Sep 6, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G8/34
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A rosin based condensation product produced by reacting in a multistage process the following reactants, rosin, phenolic compounds, formaldehyde, unsaturated C.sub.3 -C.sub.4 dicarboxylic acid or maleic anhydride, monounsaturated or polyunsaturated aliphatic monohydric or dihydric alcohol or amine or a monounsaturated or polyunsaturated C.sub.2 -C.sub.12 aminoalcohol or C.sub.2 -C.sub.12 alkanediol or C.sub.2 -C.sub.12 aminoalcohol, monounsaturated or polyunsaturated C.sub.8 C.sub.40 fatty acid.