发明名称 Ultra-fine granular barium sulfate-coated flaky pigment and method of preparing the same.
摘要 Disclosed are a flaky pigment in which the surfaces of fine flaky grains, as a base of pigment, have been coated with ultra-fine barium sulfate grains having a mean grain size of 0.1 mu m or less, by the use of: (a) an aqueous solution containing a complexing agent capable of forming a complex compound with barium ion, as dissolved therein; (b) an aqueous solution containing a water-soluble barium compound as dissolved therein; and (c) an aqueous solution containing sulfate ion; and a method of preparing the flaky pigment; and use of it in pigment coloration of cosmetics, top coats for cars, plastics, printing inks, domestic electric appliances, coating materials and coating paints for building materials.
申请公布号 EP0565043(A1) 申请公布日期 1993.10.13
申请号 EP19930105666 申请日期 1993.04.06
申请人 MERCK PATENT GMBH 发明人 NOGUCHI, TAMIO;WARAGAI, YUMIKO
分类号 A61K8/18;A61K8/23;A61Q1/00;A61Q1/02;A61Q1/12;C04B14/20;C08K9/02;C09C1/00;C09C1/02;C09C3/06;C09D7/12;C09D11/02 主分类号 A61K8/18
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