Process for the preparation of high purity phthalocyanine pigments
    88.
    发明授权
    Process for the preparation of high purity phthalocyanine pigments 失效
    制备高纯度酞菁颜料的方法

    公开(公告)号:US4508650A

    公开(公告)日:1985-04-02

    申请号:US517868

    申请日:1983-07-27

    CPC分类号: C09B67/0017 C09B67/0096

    摘要: A process for the preparation of pigments of high purity which comprises reacting in the presence of an organic solvent an appropriate impure pigment with an organic acid of the formula R-X, or comprises reacting an appropriate impure pigment with an organic acid of the formula R-X, and subsequently adding an organic solvent to the resulting organic mixture, adding a precipitating agent to the resulting solution mixture, followed by separation of the desired pure pigment from the reaction mixture, wherein R is an alkyl group, containing from about 4 carbon atoms to about 22 carbon atoms, or an aryl group containing from about 6 carbon atoms to about 24 carbon atoms, and X is a group capable of yielding anions.

    摘要翻译: 一种用于制备高纯度颜料的方法,其包括在有机溶剂存在下使合适的不纯颜料与式RX的有机酸反应,或包括使合适的不纯颜料与式RX的有机酸反应,和 随后向所得有机混合物中加入有机溶剂,向所得溶液混合物中加入沉淀剂,然后从反应混合物中分离出所需的纯颜料,其中R为含有约4个碳原子至约22个碳原子的烷基 碳原子或含有约6个碳原子至约24个碳原子的芳基,X是能够产生阴离子的基团。