Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers

US5498747A · kind A · utility

Assignee

• BASF SE

Inventors

• Siegmund Pohl · Ludwigshafen, DE
• Friedhelm Lehrich · Bohmte, DE
• Manfred Genz · Ostercappeln, DE
• Bernd Bruchmann · Ludwigshafen, DE
• Helmut Tesch · Bad Dürkheim, DE
• Roland Minges · Havelsee, DE
• Joachim Streu · Dachau, DE

Key dates

• Filing date: Mar 7, 1995
• Grant date: Mar 12, 1996
• Expiry date: Mar 7, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L75/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to novel carbodiimides or oligomeric polycarbodiimides containing terminal isocyanate, urea and/or urethane groups, methods for their preparation, and their use as hydrolysis stabilizers.