Process for bonding substrates of glass fiber reinforced polyester resin

US5254199A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Horst Stepanski · Leverkusen, DE
• Jose Colinas-Martinez · Wermelskirchen, DE
• Rainer Trinks · Dormagen, DE
• Bernhard Jansen · Cologne, DE
• Hanns P. Muller · Leverkusen, DE
• Otto Ganster · Odenthal, DE

Key dates

• Filing date: Mar 11, 1992
• Grant date: Oct 19, 1993
• Expiry date: Mar 11, 2012

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/659
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed herein is an adhesive and a process for bonding with the adhesive containing an isocyanate prepolymer a), an isocyanate reactive component b) and a catalyst for the reaction of a) and b), characterized in that the catalyst comprises a compound corresponding to the following formula ##STR1## wherein R.sup.1 and R.sup.2 may be identical of different and denote an alkyl group having 1 to 4 carbon atoms, PA1 R.sup.3 denotes a CHO group or H or alkyl group having 1 to 4 carbon atoms, optionally substituted with a CHO group, PA1 n stands for an integer from 2 to 4, PA1 o stands for 1 or 2, PA1 p stands for 0 or 1 and PA1 o+p=2.