New green pigments; ZnO¯CoO

A zinc oxide pigment with an admixture of cobalt oxide has been prepared as a new green pigment for colouring plastics and paints. The effect of the CoO content in the starting mixture on the colour hue of the pigment has been evaluated and calcination conditions of the pigment synthesis have been established. The optimum conditions for the synthesis of pigments and the properties of the products (colour hue and structure) have been estimated.