Production manner null of green pearl glossy

摘要

PURPOSE: To obtain a green nacreous pigment retaining strong brilliancy inherent in titanium dioxide, having more intense hue, and being various in color. ;CONSTITUTION: This production method comprises suspending a white nacreous pigment prepared by coating mica flakes with a titanium dioxide layer in an aqueous medium and coating the surface with a compound oxide layer comprising cobalt oxide, nickel oxide and zinc oxide from a cobalt salt, a nickel salt and a zinc salt, and a substance which forms ammonia upon heating is used as the pricipitant for the metal salts.;COPYRIGHT: (C)1995,JPO