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Pigment transparent multilayer goniochromatic effect

机译:颜料透明多层角色效应

摘要

A pigment multilayer effect comprising: a transparent substrate having a layer of titanium dioxide thereon, with the optical thickness of said layer of titanium dioxide such as to provide a white hue to said substrate, and ranges from about 105 to 155 nm; a layer of silica as low refractive index on said layer of titanium dioxide and an outer layer of a material of high refractive index layer positioned on said material low refractive index; said outermost layer of titanium dioxide having an optical thickness of about 45 to 240 nm comprising, said material layer low refractive index an optical thickness in the range of about 215-470 nm to provide a variable length path for dependent light incidence angle of light is incident thereon; each layer differs in refractive index from any adjacent layer by at least about 0.2 and wherein at least one layer has an optical thickness which is different from all other layers, whereby the pigment is not a stack of quarter wave; and said multilayer effect pigment has a non-white hue.
机译:一种颜料多层效应,包括:在其上具有二氧化钛层的透明基材,所述二氧化钛层的光学厚度使得为所述基材提供白色色调,并且范围为约105至155nm;和在所述二氧化钛层上的低折射率二氧化硅层和位于所述低折射率材料上的高折射率材料外层;所述最外层的二氧化钛具有约45至240nm的光学厚度,包括:所述材料层低折射率,具有约215-470nm范围内的光学厚度,以提供取决于光的入射角的可变长度的路径。事发每层与任何相邻层的折射率相差至少约0.2,并且其中至少一层的光学厚度不同于所有其他层,因此颜料不是四分之一波的叠层;所述多层效果颜料具有非白色的色调。

著录项

  • 公开/公告号ES2543414T3

    专利类型

  • 公开/公告日2015-08-19

    原文格式PDF

  • 申请/专利权人 BASF CORPORATION;

    申请/专利号ES20060734835T

  • 发明设计人 FULLER DANIEL J.;ZIMMERMANN CURTIS J.;

    申请日2006-02-10

  • 分类号A61K6/00;

  • 国家 ES

  • 入库时间 2022-08-21 15:11:53

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