l Patent No. Europe 1 093 482 A
Henkel has patented a polyurethane composition for adhesives and coatings with good flexibility and tensile strength. It is comprised of a polyisocyanate component and a polyol component containing polyethers, Mn at least 4000, polydispersity <1.5 and/or hydroxyl functionality 1.8-2.0, and other components.
The product may also contain polyurethane with endgroup(s) reactive with water, preferably isocyanate and/or alkoxysilane groups.