| abstract |
The multilayer effect pigment comprises a transparent substrate, a layer of high refractive index material on the substrate and alternating layers of low and high refractive index material on the first layer, the total number of layers being an odd number of 3 or more, and all adjacent layers Exhibit a refractive index difference of at least about 0.2 and at least one of the layers has a different optical thickness from all of the other layers. The multilayer effect pigment formed is not a quarter wavelength laminate.n n n Effect pigment, pearlescent, titanium dioxide coated mica, high refractive index material, low refractive index material |