- 专利标题： Photoluminescent pigment, and photoluminescent paint composition and automobile outer panel coating material containing same
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申请号： US14363658申请日： 2012-12-07
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公开(公告)号： US09683105B2公开(公告)日： 2017-06-20
- 发明人: Takeaki Kitamura
- 申请人： Nippon Sheet Glass Company, Limited
- 申请人地址： JP Tokyo
- 专利权人： Nippon Sheet Glass Company, Limited
- 当前专利权人： Nippon Sheet Glass Company, Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Hamre, Schumann, Mueller & Larson, P.C.
- 优先权： JP2011-270444 20111209
- 国际申请： PCT/JP2012/081848 WO 20121207
- 国际公布： WO2013/085049 WO 20130613
- 主分类号： C09C3/06
- IPC分类号： C09C3/06 ; C09D5/22 ; C09C1/00 ; C09C1/40 ; C09C1/28 ; A61K8/02 ; C03C17/25 ; C08K9/02 ; C09D7/12 ; C09D5/36 ; B05D5/06 ; B05D7/14
摘要：
A bright pigment of the present invention is a bright pigment including flaky particles and a metal oxide layer covering each surface of the flaky particles. The bright pigment has a particle diameter corresponding to a 90% volume-cumulative particle diameter from a small particle diameter side, in a particle size distribution, of 55 μm or less. The flaky particles are formed of a material having a refractive index of 1.4 to 1.8. The flaky particles have an average thickness of 0.35 to 0.55 μm and substantially do not contain flaky particles having a thickness of 0.15 μm or less.
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