| 摘要 |
A 2-component type aqueous polyurethane coating composition is provided to ensure scratch resistance, chemical resistance, abrasion resistance and durability with showing excellent appearance and adhesion property. A 2-component type aqueous polyurethane coating composition comprises the first aqueous component and the second component including a cross-linking agent. The first aqueous component comprises the first polyurethane water-dispersible resin containing a liberated hydroxyl group, and the second polyurethane water-dispersible resin different from the first polyurethane water-dispersible resin. |
