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silver-white -Effect Pigments 发明申请

2023-01-19 4220 300K 0

专利信息

申请日期 2025-07-20 申请号 DE102006027025
公开(公告)号 DE102006027025A1 公开(公告)日 2007-12-13
公开国别 DE 申请人省市代码 全国
申请人 MERCK PATENT GMBH
简介 Effect pigments exhibiting a synthetic mica panels in which 90% of the particle with an equivalent distribution of 2-40 mu m, and a thickness distribution of 100-3500 nm and a coating by a refractive index >=1.9 containing titanium dioxide and zinc oxide and/or one or more heavily soluble alkaline-earth compound. Independent claims are included for : (1) a formulations comprising one or more effect pigments; (2) a production of the effect pigment comprising coating the synthetic mica panel wet chemical via hydrolytic decomposition of metal salts in aqueous medium; (3) a pigment preparation comprising one or more binder, optionally one or more additives and the effect pigment; and (4) drying preparations comprising the effect pigments.


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