| 摘要 |
<p>Process for forming an overcoat by the two-coat one-bake method applying a base coat composition and a clear coat composition to a substrate wet-on-wet and thereafter curing and heating at the same time, wherein the base coat composition consists primarily of a hydroxyl-containing resin, an amino resin, a pigment and an organic solvent, the clear coat composition comprises: (A) at least one resin selected from (i) a resin having at least one epoxy group and at least one hydroxyl group in the molecule, (ii) a resin mixture of (ii-1) a resin having at least two epoxy groups in the molecule and (ii-2) a resin having at least two hydroxyl groups in the molecule, (iii) a resin having at least two epoxy groups in the molecule, and (iv) any mixture thereof; (B) a crosslinking agent comprising a compound with formula (I), R, R' and n being defined as in claim 1 and (C) a curing catalyst.</p> |
