| 摘要 |
<p>The present invention relates to the use of a hardener composition of hydrophilic polyisocyanate type, which includes at least one hydrophobic polyisocyanate, said hydrophobic polyisocyanate containing one or more allophanate functional groups, said allophanate functional groups being present in said hardener composition in an amount at least equal to 6 mol% relative to the total number of moles of isocyante monomers converted in the preparation of the hardener composition, for the preparation in aqueous phase of a high-gloss polyurethane coating formulation.</p> |
