| 摘要 |
The present invention relates to an aqueous blocked polyurethane-urea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, a polyamine having at least one carboxyl and/or carboxylate group and water. The invention further relates to a coating agent comprising the aqueous blocked polyurethane-urea dispersion, the use of the aqueous blocked polyurethane-urea dispersion, or of the coating agent for producing a coating, a coating, obtainable using the aqueous blocked polyurethane-urea dispersion, or the coating agent, and also a method for producing the aqueous blocked polyurethane-urea dispersion. |
