METHOD FOR PREPARING PEARLESCENT PIGMENT COATING ORGANIC FLUORESCENCE FOR SECURITY AND SAFETY APPLICATIONS

摘要

More particularly, the present invention relates to a method for producing a security pigment, which comprises the steps of (a) preparing an organic binder solution containing organic phosphor particles, (b) mixing a flake substrate and a solvent, And (c) coating the organic phosphor particles on the surface of the flake substrate by mixing the substrate suspension and the organic binder solution to form a security pigment having both aesthetic effect and security characteristics To a manufacturing method that can be provided.;