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    Non-aqueous pigment dispersions containing specific dispersion synergists
    5.
    发明公开
    Non-aqueous pigment dispersions containing specific dispersion synergists 有权
    含有特定分散增效剂的非水性颜料分散体

    公开(公告)号：EP1790697A1

    公开(公告)日：2007-05-30

    申请号：EP05111357.9

    申请日：2005-11-28

    Applicant: Agfa Graphics N.V.

    Inventor： Deroover, Geert ,  Point, Nicolas

    IPC: C09B67/22 ,  C09D11/02

    CPC classification number: C09D11/101 ,  C09B67/0046 ,  C09B67/0051 ,  C09B67/0055 ,  C09B67/009 ,  C09D11/326 ,  C09D11/36 ,  C09D17/002

    Abstract: A non-aqueous pigment dispersion comprising a colour pigment, a polymeric dispersant and a dispersion synergist in a dispersion medium characterized in that the dispersion synergist is represented by Formula (I):

    wherein,
    AR 1 and AR 2 represent a substituted or unsubstituted aromatic group and R represents a substituted or unsubstituted aliphatic group, with the proviso that one of R, AR 1 and AR 2 contains at least one carboxylate anion and that the molecular weight of the anionic part of the dispersion synergist is smaller than the molecular weight of the colour pigment.

    Abstract translation: 一种在分散介质中含有彩色颜料，聚合物分散剂和分散增效剂的非水性颜料分散体，其特征在于分散增效剂由式（I）表示：其中，AR1和AR2表示取代或未取代的芳族基团，R 表示取代或未取代的脂族基团，条件是R，AR1和AR2中的一个包含至少一个羧酸根阴离子，并且分散增效剂的阴离子部分的分子量小于有色颜料的分子量。

    Non-aqueous pigment dispersions containing specific dispersion synergists
    6.
    发明公开
    Non-aqueous pigment dispersions containing specific dispersion synergists 有权
    Nichtwaessrige Pigmentdispersionen enthaltend spezifische Dispersionssynergisten

    公开(公告)号：EP1790696A1

    公开(公告)日：2007-05-30

    申请号：EP05111356.1

    申请日：2005-11-28

    Applicant: Agfa Graphics N.V.

    Inventor： Deroover, Geert ,  Point, Nicolas

    IPC: C09B67/22 ,  C09D11/02 ,  C09B67/20

    CPC classification number: C09D11/36 ,  C09B67/0046 ,  C09B67/0051 ,  C09B67/0055 ,  C09B67/0086 ,  C09B67/009 ,  C09D11/101 ,  C09D11/322 ,  C09D11/326 ,  C09D11/40

    Abstract: A non-aqueous pigment dispersion comprising a colour pigment, a polymeric dispersant, and a dispersion synergist characterized in that the molecular weight of the anionic part of the dispersion synergist containing at least one carboxylate anion is smaller than the molecular weight of the colour pigment and that the anionic part of the dispersion synergist has a similarity coefficient SIM of at least 0.5 with the similarity coefficient defined by: SIM = t . C S + P - C
    wherein,
    S represents the number of atoms in the anionic part of the dispersion synergist;
    P represents the number of atoms in the colour pigment;
    C represents the largest number of atoms in common between the anionic part of the dispersion synergist and the colour pigment as one continuous structure; and
    t is an integer representing the number of times that the largest number of atoms
    in common C fits into the organic colour pigment, without using atoms of the colour pigment twice.

    Abstract translation: 一种包含着色颜料，聚合物分散剂和分散协同剂的非水颜料分散体，其特征在于含有至少一种羧酸根阴离子的分散协同剂的阴离子部分的分子量小于彩色颜料的分子量， 分散协同剂的阴离子部分具有至少为0.5的相似系数SIM，其相似系数定义为：SIM = t。 C S + P-C其中，S表示分散增效剂的阴离子部分中的原子数; P表示着色颜料中的原子数; C表示作为一个连续结构的分散增效剂的阴离子部分和彩色颜料之间共同的最大原子数; t是代表共同C中最大数量的原子配合到有机彩色颜料中而不使用彩色颜料的原子两次的次数的整数。

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