发明名称 COLORED MAGNETIC METAL FLAKE
摘要 PROBLEM TO BE SOLVED: To obtain colored magnetic metal flakes forming particles having a prescribed particle size or less, when added to a coating, free from coagulation, giving excellent contrasts and designs and useful for magnetic display media, etc. SOLUTION: The colored magnetic metal flakes are obtained by sticking a coloring pigment, such as a phthalocyanine pigment, coated with an amino compound (e.g. ethylenediamine) having two amino groups in the molecule and not having a carboxyl group to at least 90% of the surfaces of all the magnetic metal flakes, form particles having sizes of <=90μm (measured by JIS 5400 B method), when added to a coating, and have the maximum flake size of 150μm, an average thickness of 0.1-5μm and a median diameter of 5-100μm. The coloring pigment is preferably coated with a monobasic aromatic carboxylic acid.
申请公布号 JPH10168339(A) 申请公布日期 1998.06.23
申请号 JP19960327194 申请日期 1996.12.06
申请人 TOYO ALUM KK 发明人 HASHIZUME YOSHIKI;NIIZAKI TORU
分类号 C09C1/62;C09C3/08;C09C3/12;C09D5/23;(IPC1-7):C09C1/62 主分类号 C09C1/62
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