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    • 25. 发明申请
    • WEATHER-RESISTANT PEARLESCENT PIGMENTS BASED ON SMALL THIN GLASS PLATES, AND METHOD FOR THE PRODUCTION THEREOF
    • 天气稳定的珠光颜料基于薄玻璃板及其方法
    • WO2007098897A3
    • 2007-10-25
    • PCT/EP2007001603
    • 2007-02-23
    • ECKART GMBH & CO KGSCHMIDT ULRICHSCHUMACHER DIRKKAUPP GUENTER
    • SCHMIDT ULRICHSCHUMACHER DIRKKAUPP GUENTER
    • C09C1/00C08K9/02C09D5/36
    • C09C1/0015C09C1/0021C09C1/0024C09C2200/102C09C2200/301C09C2200/401C09C2200/407C09D5/36
    • The invention relates to weather-resistant pearlescent pigments which have improved application properties and are based on a small glass plate that is coated with highly refractive metal oxides and a protective coating located on the top metal oxide layer. The inventive pigments are characterized in that the small glass plate has an average thickness of 50 to 500 nm. According to variant A, a metal oxide layer whose refractive index n exceeds 1.8 and which comprises TiO 2 having a rutile concentration ranging from 80 to 100 percent by weight as well as a protective SiO 2 coating are applied. According to variant B, a metal oxide layer whose refractive index n exceeds 1.8 and which comprises TiO 2 having a rutile concentration ranging from 80 to 100 percent by weight as well as a protective coating containing a first protective layer with cerium oxide and/or cerium oxide hydrate and/or cerium hydroxide and a second protective SiO 2 layer are applied. Additionally, an organic chemical surface coating is applied to the metal oxide layer of the protective coating of A or B. The invention further relates to a method for producing said pigments and the use thereof.
    • 本发明涉及天气与涂覆的基础上与高折射金属氧化物,玻璃板与位于最上层的金属氧化物层上的保护覆盖层上改进应用性能耐珠光颜料。 本发明的颜料的特征在于,所述玻璃血小板具有50至500nm的平均厚度,向其中按照一个变体A,其具有折射率n大于1.8,%的金属氧化物,通过该TiO2的具有80至100的金红石含量 - 。% 包括和SiO 2的保护层,或根据变体B,A,具有折射率n大于1.8,其重量的TiO 2 为80至100的金红石含量的金属氧化物 - 包括%和包含保护涂层。 用氧化铈和/或铈氧化物水合物和/或氢氧化铈和SiO 2 的第二保护层上的一个或B中的保护性外涂层的金属氧化物层的第一保护层是有机化学表面涂层施加。 本发明还涉及用于这些颜料和它们的使用的制备方法。