发明名称 GRANULAR BLACK PIGMENT CONTAINING COBALT
摘要 <p>Disclosed is a black pigment having adequate degree of blackness and high electrical resistance at the same time. Specifically disclosed is a granular black pigment containing cobalt which is characterized in that it is composed of an oxide containing at least cobalt and the divalent cobalt content accounts for 40-70% of the total cobalt content. It is preferable that the total cobalt content in a whole particle is 60-80% by mass, and the divalent cobalt content in a whole particle is 20-50% by mass. It is also preferable that the primary particle diameter is 0.02-0.6 µm.</p>
申请公布号 WO2006030896(A1) 申请公布日期 2006.03.23
申请号 WO2005JP17150 申请日期 2005.09.16
申请人 MITSUI MINING & SMELTING CO., LTD.;HOSHINO, TOMOYUKI;KATSUYAMA, KOICHI;FUJIYASU, SHOICHI;NAKASHIMA, TAKASHI 发明人 HOSHINO, TOMOYUKI;KATSUYAMA, KOICHI;FUJIYASU, SHOICHI;NAKASHIMA, TAKASHI
分类号 C01G51/04 主分类号 C01G51/04
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