Process for the production of beta type copper phthalocyanine pigment
作者： Osamu Shiromaru , Toshio Oshiba , Takuya Kotani , Yuusaku Ide
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摘要: A process for the production of a β type copper phthalocyanine pigment having an average primary crystal diameter 80±40 nm and aspect ratio 2.0±1.0 crystallite 22±5 in direction perpendicular to monoclinic (200) plane, 27±5 (001) plane 15±5 (010) which comprises, dry-milling crude purity 97 100% 0.5 100 μm at 180 50° C., prepare α/β mixed α 5 35%, treating dry-milled product water-miscible organic solvent.
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