Adhesion promoters
US5342867A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Sep 30, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides an adhesive composition comprising a polyurethane resin and, as adhesion promoter, a compound of formula I: ##STR1## in which Z is an organic radical which is derived from an aliphatic aromatic or heterocyclic polyisocyanate containing m+n isocyanate groups; m is a value greater than or equal to 1; n is a value greater than or equal to 0; m+n is a value greater than or equal to 2; Y is 0 or S; X is 0, S or N--C.sub.1 -C.sub.4 alkyl; R.sub.1 is C.sub.1 -C.sub.8 alkylene; R.sub.2 is C.sub.1 -C.sub.4 alkyl or two groups R.sub.2 together for m a C.sub.1 -C.sub.4 alkylene residue; R.sub.3 is C.sub.1 -C.sub.4 alkyl or phenyl; and q is a value from 0 to 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.