| 摘要 |
PROBLEM TO BE SOLVED: To provide an aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersion having pyrazole-blocked isocyanate groups. SOLUTION: The aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersion having pyrazole-blocked isocyanate groups is provided. The coating composition prepared therefrom, and their use in coatings are also provided. COPYRIGHT: (C)2008,JPO&INPIT |
