A powder coating is provided which does not require a long complicated production process, can be produced easily and with no danger of gelling occurring during production, and which forms a paint film with superior smoothness and with no film defects such as bubbles or pinholes. A powder coating raw materials solution comprising as essential constituents a room temperature solid main constituent resin (A) with a curable reactive group, a room temperature solid curing agent (B) which reacts with the curable reactive group of the main constituent resin (A), and an organic solvent (C), is spray dried at a temperature at which the main constituent resin (A) and the curing agent (B) undergo no substantial curing reaction.
本发明提供了一种粉末涂料,它不需要复杂的长期生产工艺,可以轻松生产,并且在生产过程中不会出现胶凝的危险,形成的漆膜具有极佳的平滑性,不会出现气泡或针孔等漆膜缺陷。粉末涂料原料溶液的基本成分包括具有可固化反应基的室温固体主成分
树脂(A)、与主成分
树脂(A)的可固化反应基反应的室温固体固化剂(B)和有机溶剂(C),在主成分
树脂(A)和固化剂(B)不发生实质性固化反应的温度下进行喷雾干燥。