Mixtures of NCO prepolymers containing tertiary nitrogen atoms and the use thereof as adhesives or coatings

US4426487A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Eberhard Konig · Kronberg, DE
• Rudolf Hombach · Leverkusen, DE
• Manfred Dollhausen · Odenthal, DE
• Josef Pedain · Cologne, DE

Key dates

• Filing date: Sep 27, 1982
• Grant date: Jan 17, 1984
• Expiry date: Sep 27, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/28
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a mixture which is stable in storage in the absence of moisture and comprises the following: PA1 (a) polyurethane prepolymers containing incorporated tertiary nitrogen atoms, structural units corresponding to the following formula: EQU --O--CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --O-- PA1 and terminal isocyanate groups, PA1 (b) aromatic or aliphatic orthophosphoric acid esters; PA1 (c) one or more inert solvents, and PA1 (d) optionally other auxiliaries and additives, and to the use of these mixtures as adhesives or coatings for flexible or rigid substrates.