One-component system comprising blocked polyurethane prepolymers

Abstract

The present invention relates to a one-component system comprising a) at least one polyurethane prepolymer based on at least one di- and/or polyisocyanate and at least one di- and/or polyol, wherein at least one di- or polyol is a polyalkylene glycol having a number-average molecular weight of 900 to 2150 g/mol, wherein all unconverted isocyanate groups are blocked with at least one malonic ester and b) at least one di and/or polyamine; to a process for its production, to its use and to processes employing it for producing artificial leather and (artificial) leather coatings.

Dependencies are inferred from the claim text.