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公开(公告)号：EP2588667B1
公开(公告)日：2018-05-30
申请号：EP11726716.1
申请日：2011-06-21
申请人： Archroma IP GmbH
CPC分类号： D21H19/44 , D21H21/28 , D21H21/30 , D21H21/32 , Y10T428/31971 , Y10T428/31982 , Y10T428/31986 , Y10T428/31993
摘要： Aqueous coating composition for shading substrates, preferably paper, comprising (a) at least one shading dye of formula (I) in which R1 signifies H, methyl or ethyl, R2 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 C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds, (b) at least one white pigment, (c) at least one primary binder, (d) optionally one or more secondary binders and (e) water.
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公开(公告)号：EP2588666B1
公开(公告)日：2018-08-08
申请号：EP11726715.3
申请日：2011-06-21
申请人： Archroma IP GmbH
CPC分类号： D21H19/44 , C09B11/12 , C09B23/148 , C09B67/0033 , D21H21/28 , D21H21/30 , D21H21/32 , Y10T428/25 , Y10T428/2982 , Y10T428/31971 , Y10T428/31986 , Y10T428/31993
摘要： Aqueous coating composition 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 C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds, R1 and R1′ may be the same or different, and each is hydrogen, C1-C4 linear or branched alkyl, C2-C4 linear or branched hydroxyalkyl, CH2CO2−, CH2CH2CONH2 or CH2CH2CN, R2 and R2′ may be the same or different, and each is C1-C4 linear or branched alkyl, C2-C4 linear or branched hydroxyalkyl, CH2CO2−, CH(CO2−)CH2CO2−, CH(CO2−)CH2CH2CO2−, CH2CH2SO3−, CH2CH2CO2−, CH2CH(CH3)CO2−, benzyl, or R1 and R2 and/or R1′ and R2′, together with the neighboring nitrogen atom signify a morpholine ring and p is 0, 1 or 2, (b) at least one shading dye of formula (II) in which R3 signifies H, methyl or ethyl, R4 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 C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 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 (f) water.
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公开(公告)号：EP2596170B1
公开(公告)日：2018-05-02
申请号：EP11735806.9
申请日：2011-07-22
申请人： Archroma IP GmbH
发明人： GRETHER-SCHENE, Heidrun , KLEIN, Cédric , BREVEAUD, Frederic , ATKINSON, David , JACKSON, Andrew, Clive
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 C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds, wherein R1 and R1' may be the same or different, and each is hydrogen, C1-C4 linear or branched alkyl, C2-C4 linear or branched hydroxyalkyl, CH2CO2-, CH2CH2CONH2 or CH2CH2CN, R2 and R2' may be the same or different, and each is C1-C4 linear or branched alkyl, C2-C4 linear or branched hydroxyalkyl, CH2CO2-, CH(CO2-)CH2CO2-, CH(CO2-)CH2CH2CO2-, CH2CH2SO3-, CH2CH2CO2-, CH2CH(CH3)CO2-, benzyl, or R1 and R2 and/or R1' and R2', together with the neighboring nitrogen atom signify a morpholine ring; R3 signifies hydrogen, -CO2- or -SO3- and p is 0, 1 or 2, and b) at least one shading dye of formula (II) in which R4 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 C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds, c) optionally one or more auxiliaries and d) water.
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公开(公告)号：EP2534301B1
公开(公告)日：2018-08-01
申请号：EP11702406.7
申请日：2011-02-05
申请人： Archroma IP GmbH
IPC分类号： D21H21/30
摘要： The instant invention relates to liquid sizing compositions comprising shading dyestfuffs, derivatives of diaminostilbene, binders, protective polymers, and optionally divalent metal salts which can be used for the optical brightening of substrates, including substrates suitable for high quality ink jet printing.
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