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    Improved aqueous compositions for whitening and shading in coating applications
    1.
    发明公开
    Improved aqueous compositions for whitening and shading in coating applications 有权
    Beschichtungsanwendungen的VerbessertewässrigeZusammensetzungen zumWeißenundAbtönen

    公开(公告)号：EP2557128A1

    公开(公告)日：2013-02-13

    申请号：EP11006601.6

    申请日：2011-08-11

    申请人： Clariant International Ltd.

    发明人： Klein, Cédric ,  Reveaud, Frederic ,  Atkinson, David ,  Jackson, Andew Clive

    IPC分类号： C09B67/00 ,  D21H21/30

    CPC分类号： D21H21/28 ,  C09B23/148 ,  D21H17/67 ,  D21H21/18 ,  D21H21/30

    摘要： The instant invention relates to the Aqueous coating compositions for optical brightening and shading of substrates, comprising
    (a) at least one optical brightener of formula (I)

    in which
    the anionic charge on the brightener is balanced by a cationic charge composed of one or more identical or different cations selected from the group consisting of hydrogen, an alkali metal cation, alkaline earth metal, ammonium, ammonium which is mono-, di-, tri- or tetrasubstituted by a C 1 -C 4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C 1 -C 4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C 1 -C 4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds,
    R 1 and R 1 '
    may be the same or different, and each is hydrogen, C 1 -C 4 linear or branched alkyl, C 2 -C 4 linear or branched hydroxyalkyl, CH 2 CO 2 - , CH 2 CH 2 CONH 2 or CH 2 CH 2 CN,
    R 2 and R 2 '
    may be the same or different, and each is C 1 -C 4 linear or branched alkyl, C 2 -C 4 linear or branched hydroxyalkyl, CH 2 CO 2 - , CH(CO 2 - )CH 2 CO 2 - , CH(CO 2 - )CH 2 CH 2 CO 2 - , CH 2 CH 2 SO 3 - , CH 2 CH 2 CO 2 - , CH 2 CH(CH 3 )CO 2 - , benzyl, or
    R 1 and R 2
    and/or R 1 ' and R 2 ' , together with the neighboring nitrogen atom signify a morpholine ring and
    p
    is 1 or 2,

    (b) at least one shading dye of formula (II)

    in which
    R 3
    signifies H, methyl or ethyl,
    R 4
    signifies paramethoxyphenyl, methyl or ethyl,
    M
    signifies a cation selected from the group consisting of hydrogen, an alkali metal cation, alkaline earth metal, ammonium, ammonium which is mono-, di-, tri- or tetrasubstituted by a C 1 -C 4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C 1 -C 4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C 1 -C 4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds,

    (c) at least one white pigment,
    (d) at least one primary binder,
    (e) optionally one or more secondary binders and and
    (f) water.

    摘要翻译： 本发明涉及用于底物的光学增白和遮蔽的水性涂料组合物，其包含（a）至少一种式（I）的荧光增白剂，其中增亮剂上的阴离子电荷通过由一个或多个 选自由C 1 -C 4直链或支链烷基单，二，三或四取代的氢，碱金属阳离子，碱土金属，铵，铵组成的组中的相同或不同的阳离子，铵 其是被C 1 -C 4直链或支链羟烷基单，二，三或四取代的铵，其是由C 1 -C 4直链或支链烷基衍生物的混合物二，三或四取代的铵和 直链或支链羟烷基或所述化合物的混合物，R 1和R 1'可以相同或不同，各自为氢，C 1 -C 4直链或支链烷基，C 2 -C 4直链或支链羟烷基，CH 2 CO 2 - ，CH 2 CH 2 CONH 2或CH 2 CH 2 CN ，R 2和R 2'可以相同或不同，并且各自为C 1 -C 4直链或支链烷基，C 2 -C 4直链或支链羟烷基，CH 2 CO 2 - ，CH（CO 2 - ）CH 2 CO 2 - ，CH（CO 2 - ）CH 2 CH 2 CO 2 - ，CH 2 CH 2 SO 3 - ，CH 2 CH 2 CO 2 - ，CH 2 CH（CH 3）CO 2 - ，苄基或R 1和R 2和/或R 1'和R 2'与相邻的氮原子一起表示一个吗啉环，p是1或2，（b）至少一种式（II）的着色染料，其中R 3表示 H，甲基或乙基，R 4表示对甲氧基苯基，甲基或乙基，M表示选自氢，碱金属阳离子，碱土金属，铵，铵的阳离子，其为单 - ，二 - ，三 - 或 - 被C 1 -C 4直链或支链烷基四取代，被C 1 -C 4直链或支链羟烷基单，二，三或四取代的铵，二，三或三 被C 1 -C 4直链或支链烷基和直链或麸的混合物四取代 （c）至少一种白色颜料，（d）至少一种主要粘合剂，（e）任选的一种或多种次级粘合剂和（f）水。