abstract |
Compounds of formula (I) <IMAGE> (I) wherein one of the radicals R1 or R2 is -N=C=O and the other is -NHC(O)S(CH2)3Si(OR3)3, wherein R3 is C1-C4 alkyl or phenyl, are most suitable for use as adhesion promoters for polyurethane single-component or two-component adhesives and also as primers. |