Primerless adhesive for a painted surface

摘要

A one-part moisture curable adhesive comprising an isocyanate-terminated prepolymer and an organic monosulfonic acid. The adhesives of the present invention permit bonding to various substrates without the need for a primer. The adhesives of the present invention enable adhesion to acid-resistant paints, melamine carbamate, and acrylic melamine, which have previously been especially difficult to adhere to. A method for using the adhesive composition is also disclosed.