Disazo Dyes and Dye Compositions for Shading White Paper
    4.
    发明申请
    Disazo Dyes and Dye Compositions for Shading White Paper 失效
    双色染料和染料组合物用于遮蔽白皮书

    公开(公告)号:US20090083913A1

    公开(公告)日:2009-04-02

    申请号:US11922451

    申请日:2006-06-26

    IPC分类号: C09B31/08

    CPC分类号: D21H21/28 C09B31/08

    摘要: The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R′1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D′ represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl and C1-C4alkoxy and R3 and M are as defined above, and their mixtures suitable for shading white paper, a process for shading, a process for the preparation of the novel dyes and white paper which has been treated with such shading components.

    摘要翻译: 本发明涉及式(1)的新型染料,其中D表示被一个或两个磺酸或羧酸基团取代的苯基或萘残基,且任选地通过一个或两个选自C 1 -C 4烷基,羟基 和硝基,每个R 1和R 2独立地代表氢或C 1 -C 4烷基,R 1表示氢,羟基,C 1 -C 4烷基或C 1 -C 4羟烷基,R 3表示氢,C 1 -C 4烷基或苯基,其是未取代的或 被选自C 1 -C 4烷基,C 1 -C 4烷氧基,卤素,羟基,-NH 2,硝基,-SO 3 M和-CO 2 M中的一个或两个基团取代,M代表氢,碱金属或碱土金属,铵或铵, 被C 1 -C 4烷基或C 2 -C 4羟烷基或聚乙二醇铵阳离子和还有已知的式(5)的染料二取代,三取代或四取代,其中D'表示被一个或两个磺酸或羧酸取代的苯基或萘残基 酸基和任选的一个或两个gro 选自C 1 -C 4烷基和C 1 -C 4烷氧基,R 3和M如上所定义,并且它们的混合物适用于白皮书着色,阴影处理,制备新染料的方法和已经用 这样的阴影组件。

    Dye mixtures
    6.
    发明授权
    Dye mixtures 失效
    染料混合物

    公开(公告)号:US06635092B2

    公开(公告)日:2003-10-21

    申请号:US09902872

    申请日:2001-07-11

    IPC分类号: D06P360

    摘要: Disclosed are dye mixtures for shading white paper which may contain fluorescent brightener. The dye mixtures comprise a violet dye according to the formula (1) or (2) indicated in claim 1 and sufficient of a red, blue or further violet anionic azo dye that this dye mixture is capable of producing in the Cielab color co-ordinates system a relative hue angle of 270 to 295° when the dyeing contains 0.00005 to 0.005% by weight of dye, based on the weight of the paper, with the proviso that the value 0.005% is excluded.

    摘要翻译: 公开了用于遮蔽白皮书的染料混合物,其可以含有荧光增白剂。 染料混合物包括根据权利要求1所述的式(1)或(2)的紫色染料,并且足够的红色,蓝色或更深的阴离子偶氮染料,该染料混合物能够在Cielab颜色坐标 当染色含有0.00005至0.005重量%的染料时,基于纸的重量,系统的相对色调角为270至295°,条件是不包括0.005%的值。

    Disazo dyes and dye compositions for shading white paper
    7.
    发明授权
    Disazo dyes and dye compositions for shading white paper 失效
    用于遮蔽白皮书的双偶氮染料和染料组合物

    公开(公告)号:US07682406B2

    公开(公告)日:2010-03-23

    申请号:US11922451

    申请日:2006-06-26

    CPC分类号: D21H21/28 C09B31/08

    摘要: The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R′1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D′ represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl and C1-C4alkoxy and R3 and M are as defined above, and their mixtures suitable for shading white paper, a process for shading, a process for the preparation of the novel dyes and white paper which has been treated with such shading components.

    摘要翻译: 本发明涉及式(1)的新型染料,其中D表示被一个或两个磺酸或羧酸基团取代的苯基或萘残基,且任选地通过一个或两个选自C 1 -C 4烷基,羟基 和硝基,每个R 1和R 2独立地代表氢或C 1 -C 4烷基,R 1表示氢,羟基,C 1 -C 4烷基或C 1 -C 4羟烷基,R 3表示氢,C 1 -C 4烷基或苯基,其是未取代的或 被选自C 1 -C 4烷基,C 1 -C 4烷氧基,卤素,羟基,-NH 2,硝基,-SO 3 M和-CO 2 M中的一个或两个基团取代,M代表氢,碱金属或碱土金属,铵或铵, 被C 1 -C 4烷基或C 2 -C 4羟烷基或聚乙二醇铵阳离子和还有已知的式(5)的染料二取代,三取代或四取代,其中D'表示被一个或两个磺酸或羧酸取代的苯基或萘残基 酸基和任选的一个 或选自C 1 -C 4烷基和C 1 -C 4烷氧基的两个基团,且R 3和M如上所定义,并且它们的混合物适合于遮蔽白皮书,遮蔽方法,制备新染料和白皮书的方法 用这种阴影部件处理。