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US08715407B2 High-gloss multilayer effect pigments having a non-silver interference color and a narrow size distribution, and method for the production thereof 有权
具有非银干涉色和窄尺寸分布的高光泽多层效应颜料及其制造方法

  • Patent Title: High-gloss multilayer effect pigments having a non-silver interference color and a narrow size distribution, and method for the production thereof
  • Patent Title (中): 具有非银干涉色和窄尺寸分布的高光泽多层效应颜料及其制造方法
  • Application No.: US13142520
    Application Date: 2010-08-09
  • Publication No.: US08715407B2
    Publication Date: 2014-05-06
  • Inventor: Dirk Schumacher , Michael Grüner , Günter Kaupp
  • Applicant: Dirk Schumacher , Michael Grüner , Günter Kaupp
  • Applicant Address: DE
  • Assignee: Eckart GmbH
  • Current Assignee: Eckart GmbH
  • Current Assignee Address: DE
  • Agency: Ostrolenk Faber LLP
  • Priority: DE102009037933 20090819
  • International Application: PCT/EP2010/004866 WO 20100809
  • International Announcement: WO2011/020571 WO 20110224
  • Main IPC: C04B14/20
  • IPC: C04B14/20
High-gloss multilayer effect pigments having a non-silver interference color and a narrow size distribution, and method for the production thereof
Abstract:
Multilayer pearlescent pigments comprising platelet-shaped transparent substrates provided with an optically active coating, where the coating includes at least (a) a nonabsorbing high-index layer A having a refractive index n≧1.8, (b) a low-index layer B having a refractive index n
Abstract(Chinese):

多层珠光颜料包括具有光学活性涂层的片状透明基材，其中涂层至少包含（a）折射率n≥1.8的非吸收性高折射率层A，（b）低折射率层B具有 折射率n <1.8，（c）折射率n≥1.8的非吸收性高折射率层C，以及（d）任选的至少一个外保护层D，其中颜料具有体积平均值的累积频率分布 尺寸分布函数，具有指数D10，D50，D90和跨度＆Dgr; D在0.7-1.4的范围内，跨度＆Dgr; D根据公式（I）＆Dgr计算; D =（D90-D10）/ D50（I）。 本发明进一步涉及一种生产这些多层珠光颜料的方法，以及它们的用途。

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