| abstract |
The present invention relates to an aqueous blocked polyurethane urea obtained by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl group and / or carboxylate group and water. Concerning the dispersion. Further according to the present invention a coating composition comprising an aqueous blocked polyurethaneurea dispersion, the use of an aqueous blocked polyurethaneurea dispersion or coating composition to produce a coating, an aqueous blocked polyurethaneurea dispersion or coating composition As well as a process for producing aqueous blocked polyurethaneurea dispersions are provided. |