Amino-modified urethaneacrylates

US5977284A · kind A · utility

Assignee

• BASF SE

Inventors

• Wolfgang Reich · Frankenthal (Pfalz), DE
• Erich Beck · Ladenburg, DE
• Edmund Keil · Ludwigshafen, DE
• Ulrich Jager · Lichtenfels, DE
• Matthias Lokai · Enkenbach-Alsenborn, DE
• Werner Fries · Böhl-Iggelheim, DE
• Eberhard Ambach · Schifferstadt, DE

Key dates

• Filing date: Dec 11, 1997
• Grant date: Nov 2, 1999
• Expiry date: Dec 11, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31551
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Urethane(meth)acrylates are obtainable by PA1 a) reacting polyether(meth)acrylates or polyester(meth)acrylates, which may also have at least one free hydroxyl group, with primary or secondary amino compounds which have at least one hydroxyl group, so that from 0.5 to 60 mol % of the (meth)acrylate groups are present in the form of Michael adducts with the amino compounds, and PA1 b) subsequently reacting the product obtained in a) with isocyanates.