| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin composition for water-base paint forming a film having a long working life and excellent initial hardness and appearance. SOLUTION: This resin composition for water-base paint includes a water-dispersive polyisocyanate composition A including hydrophobic polyisocyanate (a1), a water-soluble or dispersive resin B preferably having a mixture of hydrophobic polyisocyanate (a1) and water-dispersive polyisocyanate (a2) and having active hydrogen contained group reacting with an isocyanate group, preferably a hydroxy group-containing vinyl-based polymer and a water-soluble zirconium compound C, preferably zirconium ammonium carbonate and/or zirconium potassium carbonate, and water. COPYRIGHT: (C)2009,JPO&INPIT
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