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    • 4. 发明申请
    • Process of preparation of specific color effect pigments
    • 具体颜色效果颜料的制备工艺
    • US20060288906A1
    • 2006-12-28
    • US11410399
    • 2006-04-25
    • Martin WulfKlaus TaennertDirk AllardRudolf Zentel
    • Martin WulfKlaus TaennertDirk AllardRudolf Zentel
    • C09D11/00A61K8/02
    • C08J3/14C09D5/028C09D5/36C09D7/41C09D11/037C09D11/322
    • The invention provides a process of preparation photonic crystals which is distinguished by high efficiency and which provide photonic crystals having an opalescent effect of high quality; the process comprises (a) providing a dispersion of mono-disperse spheres in a liquid, (b) applying the dispersion onto a plain surface of an absorbent substrate selected from the group consisting of paper, textile and wood, and (c) removing the liquid from the dispersion on the surface to produce the photonic crystals in the form of a tightly packed and regularly arranged structure of mono-disperse spheres in the resulted particles; using the process according to the invention, it is possible to produce photonic crystals usable as pigment particles with a high optical brilliance in the color and with a color stability for the use in, e.g., coating compositions and inks.
    • 本发明提供一种制备光子晶体的方法,其特征在于高效率并且提供具有高质量乳光效果的光子晶体; 该方法包括(a)在液体中提供单分散球的分散体,(b)将分散体施加到选自纸,纺织品和木材的吸收性基材的平坦表面上,和(c) 液体从表面上的分散体中产生以所形成的颗粒中单分散球的紧密包装和规则排列的结构形式的光子晶体; 使用根据本发明的方法,可以产生可用作颜料的高光学亮度的颜料和可用于例如涂料组合物和油墨的颜色稳定性的光子晶体。