公开(公告)号：US08491715B2

公开(公告)日：2013-07-23

申请号：US13176147

申请日：2011-07-05

申请人： Keigo Gouda ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Fumiaki Fujioka ,  Souichi Nagai ,  Akiko Yasuda

发明人： Keigo Gouda ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Fumiaki Fujioka ,  Souichi Nagai ,  Akiko Yasuda

IPC分类号： C09D11/02

CPC分类号： C09D7/62 ,  C01P2006/22 ,  C09C1/56 ,  C09C3/08 ,  C09D11/324 ,  C09D11/38

摘要： Disclosed herein are an ink containing a self-dispersible pigment and a salt, wherein the self-dispersible pigment is a pigment to the surface of a particle of which a functional group containing at least a group having a hydrogen bonding property and two phosphonic acid groups is bonded, counter ions of the two phosphonic acid groups containing one of K+ and NH4+; the salt is constituted by combining at least one cation of K+ and NH4+ with at least one anion selected from the group consisting of Cl−, Br−, I−, ClO−, ClO2−, ClO3−, ClO4−, NO2−, NO3−, SO42−, CO32−, HCO3−, HCOO−, (COO−)2, COOH(COO−), CH3COO−, C2H4 (COO−)2, C6H5COO−, C6H4(COO−)2, PO43−, HPO42− and H2PO4−; a cation concentration in the ink is 0.04 mol/L or more; and the viscosity of a liquid obtained by evaporating 15% by mass of the ink is less than 3.5 mPa·s at 25° C.

摘要翻译： 本文公开了含有自分散颜料和盐的油墨，其中，所述自分散性颜料是至少含有氢键性质的基团的官能团和两个膦酸基团的颗粒表面的颜料 键合，含有K +和NH4 +之一的两个膦酸基的抗衡离子; 该盐通过将至少一种K +和NH 4 +的阳离子与至少一种选自Cl-，Br-，I-，ClO-，ClO 2 - ，ClO 3 - ，ClO 4 - ，NO 2 - ，NO 3 - （COO-）2，COOH（COO-），CH3COO-，C2H4（COO-）2，C6H5COO-，C6H4（COO-）2，PO43-，HPO42） - 和H2PO4-; 油墨中的阳离子浓度为0.04mol / L以上; 并且通过蒸发15质量％的油墨而获得的液体的粘度在25℃下小于3.5mPa·s

公开(公告)号：US20120033009A1

公开(公告)日：2012-02-09

申请号：US13176147

申请日：2011-07-05

申请人： Keigo Gouda ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Fumiaki Fujioka ,  Souichi Nagai ,  Akiko Yasuda

发明人： Keigo Gouda ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Fumiaki Fujioka ,  Souichi Nagai ,  Akiko Yasuda

IPC分类号： B41J2/175 ,  C09D11/02

CPC分类号： C09D7/62 ,  C01P2006/22 ,  C09C1/56 ,  C09C3/08 ,  C09D11/324 ,  C09D11/38

摘要： Disclosed herein are an ink containing a self-dispersible pigment and a salt, wherein the self-dispersible pigment is a pigment to the surface of a particle of which a functional group containing at least a group having a hydrogen bonding property and two phosphonic acid groups is bonded, counter ions of the two phosphonic acid groups containing one of K+ and NH4+; the salt is constituted by combining at least one cation of K+ and NH4+ with at least one anion selected from the group consisting of Cl−, Br−, I−, ClO−, ClO2−, ClO3−, ClO4−, NO2−, NO3−, SO42−, CO32−, HCO3−, HCOO−, (COO−)2, COOH(COO−), CH3COO−, C2H4 (COO−)2, C6H5COO−, C6H4(COO−)2, PO43−, HPO42− and H2PO4−; a cation concentration in the ink is 0.04 mol/L or more; and the viscosity of a liquid obtained by evaporating 15% by mass of the ink is less than 3.5 mPa·s at 25° C.

摘要翻译： 本文公开了含有自分散颜料和盐的油墨，其中，所述自分散性颜料是至少含有氢键性质的基团的官能团和两个膦酸基团的颗粒表面的颜料 键合，含有K +和NH4 +之一的两个膦酸基的抗衡离子; 该盐通过将至少一种K +和NH 4 +的阳离子与至少一种选自Cl-，Br-，I-，ClO-，ClO 2 - ，ClO 3 - ，ClO 4 - ，NO 2 - ，NO 3 - （COO-）2，COOH（COO-），CH3COO-，C2H4（COO-）2，C6H5COO-，C6H4（COO-）2，PO43-，HPO42） - 和H2PO4-; 油墨中的阳离子浓度为0.04mol / L以上; 并且通过蒸发15质量％的油墨而获得的液体的粘度在25℃下小于3.5mPa·s

公开(公告)号：US08672465B2

公开(公告)日：2014-03-18

申请号：US13191511

申请日：2011-07-27

申请人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

发明人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

IPC分类号： B41J2/01

CPC分类号： B41J2/211 ,  B41J2/2107 ,  C09D11/32

摘要： A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 7:9 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.

摘要翻译： 本发明的水性油墨包括水，多种不同的水溶性有机溶剂和水不溶性着色材料，其中上述水溶性有机溶剂由上述水不溶性着色剂 材料和不良溶剂，并且油墨中的良溶剂的总量（质量％）由A表示，并且油墨中的不良溶剂的总量（质量％）表示为 由B表示，A与B的比例范围为10：5至7：9，并且当上述水溶性有机溶剂的各自的Ka值由Bristow法确定并相互比较时， Ka值最大的水溶性有机溶剂是不良溶剂。 颜料墨水即使用少量的油墨也具有足够大的面积因子，并提供高OD的图像。

公开(公告)号：US08007097B2

公开(公告)日：2011-08-30

申请号：US11931985

申请日：2007-10-31

申请人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

发明人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

IPC分类号： G01D11/00

CPC分类号： B41J2/211 ,  B41J2/2107 ,  C09D11/32

摘要： A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.

摘要翻译： 本发明的水性油墨包括水，多种不同的水溶性有机溶剂和水不溶性着色材料，其中上述水溶性有机溶剂由上述水不溶性着色剂 材料和不良溶剂，并且油墨中的良溶剂的总量（质量％）由A表示，并且油墨中的不良溶剂的总量（质量％）表示为 由B表示，A与B的比例范围为10:5至10:30，并且当通过Bristow方法确定上述水溶性有机溶剂的各自的Ka值并相互比较时， Ka值最大的水溶性有机溶剂是不良溶剂。 颜料墨水即使用少量的油墨也具有足够大的面积因子，并提供高OD的图像。

公开(公告)号：US07371274B2

公开(公告)日：2008-05-13

申请号：US10874347

申请日：2004-06-24

申请人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

发明人： Mikio Sanada ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Yui Tokuda

IPC分类号： C09D11/02

CPC分类号： B41J2/211 ,  B41J2/2107 ,  C09D11/32

摘要： A water-based ink of the present invention comprises water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.

摘要翻译： 本发明的水性油墨包含水，多种不同的水溶性有机溶剂和水不溶性着色材料，其中上述水溶性有机溶剂由上述水不溶性着色剂 材料和不良溶剂，并且油墨中的良溶剂的总量（质量％）由A表示，并且油墨中的不良溶剂的总量（质量％）表示为 由B表示，A与B的比例范围为10:5至10:30，并且当通过Bristow方法确定上述水溶性有机溶剂的各自的Ka值并相互比较时， Ka值最大的水溶性有机溶剂是不良溶剂。 颜料墨水即使用少量的油墨也具有足够大的面积因子，并提供高OD的图像。

公开(公告)号：US07276112B2

公开(公告)日：2007-10-02

申请号：US11313785

申请日：2005-12-22

申请人： Yui Tokuda ,  Mikio Sanada ,  Yoshihisa Takizawa ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Takashi Imai ,  Yasuhiro Nito ,  Tetsu Iwata ,  Shinichi Hakamada ,  Sadayuki Sugama

发明人： Yui Tokuda ,  Mikio Sanada ,  Yoshihisa Takizawa ,  Masashi Ogasawara ,  Tomonari Watanabe ,  Takashi Imai ,  Yasuhiro Nito ,  Tetsu Iwata ,  Shinichi Hakamada ,  Sadayuki Sugama

IPC分类号： C09D11/02

CPC分类号： C09D11/326

摘要： Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group. The plurality of water-soluble organic solvents have a good medium or good mediums for the pigment and a poor medium or poor mediums for the pigment. The poor medium does not solvate perfectly or substantially the pigment. The ionic group undergoes perfectly or substantially no ionic dissociation in the poor medium. Also, among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method, the Ka value of the poor medium is maximum.

摘要翻译： 公开了至少包含水，多种水溶性有机溶剂和着色材料的水性油墨。 着色材料是颜料，并且其包含具有至少一个离子基团的颜料颗粒，其直接或通过另一原子团与颜料颗粒的表面键合。 多种水溶性有机溶剂对于颜料具有良好的介质或良好的介质，并且颜料的介质或不良介质差。 不良介质不能完全或溶剂化颜料。 离子基团在不良培养基中完全或基本上不发生离子解离。 此外，在通过Bristow法测定的多种水溶性有机溶剂的各Ka值中，不良介质的Ka值最大。

公开(公告)号：US07753515B2

公开(公告)日：2010-07-13

申请号：US11269730

申请日：2005-11-09

申请人： Yui Tokuda ,  Tomonari Watanabe ,  Mikio Sanada ,  Masashi Ogasawara

发明人： Yui Tokuda ,  Tomonari Watanabe ,  Mikio Sanada ,  Masashi Ogasawara

IPC分类号： G01D11/00

CPC分类号： C09D11/40

摘要： In an ink set, which is an ink set (A) obtained by combining a plurality of aqueous inks (a) and used together with an aqueous ink (B) containing a water-insoluble coloring material, respective aqueous inks constituting the ink set (A) contain at least one water-soluble organic solvent serving as a poor solvent for the water-insoluble coloring material contained in the aqueous ink (B), and among the water-soluble organic solvents which are respectively contained in the aqueous ink (a) and serve as a poor solvent, at least one water-soluble organic solvent has a vapor pressure at 20° C. that is lower than the vapor pressure of water at 20° C. The ink set can form a full-color image in which occurrence of bleeding at boundaries between different adjacent color regions of the image has been suppressed.

摘要翻译： 在通过组合多种水性油墨（a）并与含有水不溶性着色材料的水性油墨（B））一起使用的油墨组（A）的油墨组中，构成油墨组的各个水性油墨 A）含有至少一种用作水性油墨（B）中所含的水不溶性着色材料的不良溶剂的水溶性有机溶剂，以及分别包含在水性油墨（a）中的水溶性有机溶剂 ），并且用作不良溶剂，至少一种水溶性有机溶剂的蒸气压在20℃时低于20℃下的水蒸气压。油墨组可以形成全色图像 已经抑制了在图像的不同相邻颜色区域之间的边界处的出血发生。

公开(公告)号：US07605192B2

公开(公告)日：2009-10-20

申请号：US11297431

申请日：2005-12-09

申请人： Mikio Sanada ,  Yoshihisa Takizawa ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Yoichi Takada ,  Tomonari Watanabe ,  Yui Tokuda

发明人： Mikio Sanada ,  Yoshihisa Takizawa ,  Katsuhiko Takahashi ,  Masashi Ogasawara ,  Yoichi Takada ,  Tomonari Watanabe ,  Yui Tokuda

IPC分类号： C09D11/00

CPC分类号： C09D11/324 ,  C09D11/322

摘要： The present invention relates to an aqueous ink, particularly an aqueous ink suitable for ink jet recording. The ink is an aqueous ink comprising a modified pigment having organic groups chemically attached to the surface of a particle of the pigment and an aqueous medium which is a dispersant of the pigment, wherein the above-described organic group includes a reaction product of a functional group chemically attached to the surface of the pigment directly or via another atomic group with a copolymer of an ionic monomer and a hydrophobic monomer.

摘要翻译： 本发明涉及一种水性油墨，特别涉及一种适用于喷墨记录的水性油墨。 油墨是一种水性油墨，其包含具有化学连接到颜料颗粒表面的有机基团和作为颜料分散剂的水性介质的改性颜料，其中上述有机基团包括官能团的反应产物 通过离子性单体和疏水性单体的共聚物，直接或通过另一原子团化学连接到颜料的表面上。

公开(公告)号：US07267717B2

公开(公告)日：2007-09-11

申请号：US11356108

申请日：2006-02-17

申请人： Tomonari Watanabe ,  Masashi Ogasawara ,  Yui Kitamura

发明人： Tomonari Watanabe ,  Masashi Ogasawara ,  Yui Kitamura

IPC分类号： C09D11/02 ,  G01D11/00

CPC分类号： C09B68/24 ,  C07C63/331 ,  C09B67/0009 ,  C09B67/0086 ,  C09B68/4257 ,  C09C1/56 ,  C09C1/565 ,  C09D11/322

摘要： An object of the present invention is to provide an aqueous ink which can form a more excellent image in bleeding resistance, character quality and print density than the image formed by using an aqueous ink containing a conventional self-dispersion pigment and a salt. The aqueous ink includes a self-dispersion pigment and a salt, in which the self-dispersion pigment is a pigment containing a pigment particle having a —R—(COOM1)n group bonded to a surface of the pigment particle, wherein R represents an alkylene group or an aromatic ring; M1 represents a hydrogen atom, an alkali metal, an ammonium or an organic ammonium; and n is an integer of 2 or more.

摘要翻译： 本发明的目的是提供一种水性油墨，其能够形成比通过使用含有常规自分散颜料和盐的水性油墨形成的图像更好的耐渗透性，特性质量和印刷密度的图像。 所述水性油墨包括自分散颜料和盐，其中所述自分散颜料是含有颜料颗粒的颜料，所述颜料颗粒具有-R-（COOM）1 n 基团键合到颜料颗粒的表面，其中R表示亚烷基或芳环; M 1表示氢原子，碱金属，铵或有机铵; n为2以上的整数。

公开(公告)号：US07160376B2

公开(公告)日：2007-01-09

申请号：US10833111

申请日：2004-04-28

申请人： Tomonari Watanabe ,  Mikio Sanada ,  Masashi Ogasawara ,  Yui Tokuda

发明人： Tomonari Watanabe ,  Mikio Sanada ,  Masashi Ogasawara ,  Yui Tokuda

IPC分类号： C09D11/00 ,  G01D11/00

CPC分类号： C09D11/324 ,  C09D11/322

摘要： An aqueous ink comprising at least water, a water-soluble organic solvent and a colorant.The colorant comprises a pigment containing a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group.The organic solvent undergoes completely or substantially no solvation with the pigment and the ionic group of the pigment particle undergoes completely or substantially no ion dissociation in the organic solvent.

摘要翻译： 至少包含水，水溶性有机溶剂和着色剂的水性油墨。 着色剂包含含有至少一个离子基团的颜料的颜料，其直接或通过另一个原子团与颜料颗粒的表面键合。 有机溶剂与颜料完全或基本上不溶剂化，颜料颗粒的离子基团在有机溶剂中完全或基本上不离子离解。