Bismaleimide resin containing unreacted monomer reactants

US5093459A · kind A · utility

Assignee

• BASF SE

Inventors

• Roland Peter · Mutterstadt, DE
• Philipp Eisenbarth · Bad Dürkheim, DE
• Lothar Schlemmer · Frankenthal (Pfalz), DE

Key dates

• Filing date: Jul 9, 1990
• Grant date: Mar 3, 1992
• Expiry date: Jul 9, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G73/127
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Solid, fusible bismaleimide resins formed from a mixture of a bismaleimide and an aminophenol still contain from 70 to 90 mol % of unconverted bismaleimide and from 30 to 60 mol % of unconverted aminophenol.