| 摘要 |
A substrate is coated successively with a non-metallic primer coat, a transparent interference coat and a transparent polymeric protective clear coat and heated to produce an opalescent colour effect. The primer coat has a N-4 to N-8 value on the Munsell colour chart. The interference coat comprises a polymer binder contg. 6-13% metal oxide encapsulated mica. - Pref. the primer coat has a N-7 colour value. The metal oxide is TiO2.
|
