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PEARLESCENT PIGMENT BASED ON SELECTIVE ABSORPTION LAYER OF CHALCOGENIDE, OXYCHALCOGENIDE AND MIXED 发明申请

2022-07-31 3970 59K 0

专利信息

申请日期 2024-11-18 申请号 JP2004025883
公开(公告)号 JP2004339477A 公开(公告)日 2004-12-02
公开国别 JP 申请人省市代码 全国
申请人 Merck Patent Gesellschaft mit beschraenkter Haftung
简介 PROBLEM TO BE SOLVED : To obtain an easily available pigment having different mass color tones by combining a visual angle-dependent interference phenomenon with absorption colors for expanding the ranges of a chalcogenide/an oxychalcogrnide-based pearlescent pigments. SOLUTION : This pearlescent pigment is based on a substrate containing at least one selective light absorption layer consisting of the chalcogenide and/or oxychalcogenide excluding rare earth elements and yttrium sulfide, and the rare earth elements and yttrium oxysulfide. Further, preferably, the chalcogenide and/or oxychalcogenide are a metal chalcogenide and/or metal oxychalogenide of a metal selected from the 2nd and/or 4-16th groups of the periodic table.


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