Synthetic resin with basic nitrogen groups from resins reacted with the ketimine-urethane product of an alkanolamine, a ketone and anisocyanate

US4956402A · kind A · utility

Assignee

• Basf Lacke & Farben Aktiengesellschaft · DE

Inventors

• Thomas Perner · Eßlingen, DE
• Rolf Osterloh · Lechenich, DE
• Eberhard Schupp · Schwetzingen, DE
• Thomas Schwerzel · Meckenheim, DE
• Klaas Ahlers · Munster, DE

Key dates

• Filing date: Jun 23, 1988
• Grant date: Sep 11, 1990
• Expiry date: Jun 23, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31529
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A synthetic resin which carries basic nitrogen groups and is water-dilutable by protonation with acid is obtainable by reacting PA1 (A) an epoxy resin having an average molecular weight M.sub.n of from 200 to 6,000 and on average from 1.5 to 3.0 epoxy groups per molecule with PA1 (B) a ketimine of a primary amine additionally containing one or more urethane groups and optionally also with PA1 (C) a diketimine of a diprimary amine containing no urethane groups and optionally also with PA1 (D) a secondary amine which may contain a tertiary amimo group also, a ketimine of a primary monoamine and/or a ketimine of a primary/tertiary diamine.