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1. 发明申请

WO2012010326A1 METHOD FOR PREPARING WHITE PAPER 审中-公开
标题翻译：制备白皮书的方法
公开(公告)号：WO2012010326A1
公开(公告)日：2012-01-26
申请号：PCT/EP2011/003692
申请日：2011-07-22
申请人： CLARIANT INTERNATIONAL LTD , GRETHER-SCHENE, Heidrun , KLEIN, Cedric , BREVEAUD, Frederic , ATKINSON, David , JACKSON, Andrew, Clive
发明人： GRETHER-SCHENE, Heidrun , KLEIN, Cedric , BREVEAUD, Frederic , ATKINSON, David , JACKSON, Andrew, Clive
IPC分类号： D21H21/28 , D21H21/30 , D21H21/32
CPC分类号： D21H17/09 , D21H21/28 , D21H21/30 , D21H21/32
摘要： Object of the invention is the method for preparing white paper which comprises adding to the pulp mass an aqueous formulation 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, wherein 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 C0 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 2 C 4 linear or branched alkyl, C 2 -C 4 linear or branched hydroxyalkyl, CΗ 2 CΟ 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; R3 signifies hydrogen, -CO 2 - or -SO 3 - and p is 0, 1 or 2, and at least one shading dye of formula (II) in which R 4 signifies H, methyl or ethyl, R5 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 Ci-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C 1 -C 4 linear or branched hydroxyalkyi radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C 1 -C 4 linear or branched alkylradical and linear or branched hydroxyalkyi radical or mixtures of said compounds, optionally one or more auxiliaries and water.
摘要翻译：本发明的目的是制备白皮书的方法，该方法包括向纸浆物质中加入一种水性制剂，该水性制剂包含：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，铵的相同或不同的阳离子，由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直链或支链烷基和直链或支链烷基的混合物二 - ，三 - 或四取代的铵羟基烷基或所述化合物的混合物，其中R 1和R 1'可以相同或不同，并且各自为氢，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 R2' 各自为C 2 -C 4直链或支链烷基，C 2 -C 4直链或支链羟烷基，C 2 C 2 C 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吗啉环; R 3表示氢，-CO 2 - 或-SO 3 - ，p为0,1或2，并且至少一种其中R 4表示H，甲基或乙基的式（II）的着色染料，R5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，由C 1 -C 4直链或支链烷基单，二，三或四取代的铵的阳离子，其为单 - ，被C1-C4直链或支链羟基烷基自由基二取代，三取代或四取代的是被C1-C4直链或支链烷基酰基和直链或支链羟基烷基自由基或混合物的混合物二，三或四取代的铵的所述化合物，任选的一种或多种助剂和水。

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