公开(公告)号：US20040186200A1

公开(公告)日：2004-09-23

申请号：US10677627

申请日：2003-10-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake

IPC: C09D011/00 ,  C03C017/00

CPC classification number: C09D11/322 ,  C09D11/38

Abstract: There is provided a water-based ink that gives good coloration and little blurring on regular paper, gives adequate coloration on specialist paper, and has good fixability, and further gives excellent discharge stability with ink jet recording, and moreover exhibits the effect of a chelating agent even in a small amount, and is not harmful due to evaporating, subliming or the like. The water-based ink of the present invention comprises a colorant, water, a water-soluble organic solvent, a surfactant, and a chelating agent, wherein the chelating agent is nitrilotriacetic acid (NTA) or a salt thereof, methylglycine diacetic acid (MGDA) or a salt thereof, L-glutamine diacetic acid (GLDA) or a salt thereof, L-aspartic acid diacetic acid (ASDA) or a salt thereof, diethylenetriamine pentaacetic acid (DTPA) or a salt thereof, gluconic acid (GA) or a salt thereof, citric acid (CA) or a salt thereof, nitrilotripropionic acid (NTP) or a salt thereof, nitrilotrisphosphonic acid (NTPO) or a salt thereof, dihydroxyethylglycine (DHEG) or a salt thereof, hydroxyethyliminodiacetic acid (HIDA) or a salt thereof, 1,3-diamino-2-hydroxypropane tetraacetic acid (DPTA-OH) or a salt thereof, hydroxyethylidene diphosphonic acid (HEDP) or a salt thereof, nitrilotrimethylene phosphonic acid (NTMP) or a salt thereof, or phosphonobutane tricarboxylic acid (PBTC) or a salt thereof.

Abstract translation: 提供了一种水性油墨，其在常规纸上具有良好的着色和模糊，在专用纸上赋予足够的着色性，并且具有良好的定影性，并且通过喷墨记录进一步提供优异的喷射稳定性，此外还显示出螯合作用 即使少量，并且由于蒸发，升华等而不是有害的。 本发明的水性油墨包括着色剂，水，水溶性有机溶剂，表面活性剂和螯合剂，其中螯合剂是次氮基三乙酸（NTA）或其盐，甲基甘氨酸二乙酸（MGDA ）或其盐，L-谷氨酰胺二乙酸（GLDA）或其盐，L-天冬氨酸二乙酸（ASDA）或其盐，二亚乙基三胺五乙酸（DTPA）或其盐，葡萄糖酸（GA）或 其盐，柠檬酸（CA）或其盐，次氮基丙酸（NTP）或其盐，次氮基三膦酸（NTPO）或其盐，二羟基乙基甘氨酸（DHEG）或其盐，羟乙基亚氨基二乙酸（HIDA）或 其盐，1,3-二氨基-2-羟基丙烷四乙酸（DPTA-OH）或其盐，羟乙叉基二膦酸（HEDP）或其盐，次氮基三亚甲基膦酸（NTMP）或其盐或膦酸丁烷三羧酸 （PBTC）或其盐。

公开(公告)号：US20020169232A1

公开(公告)日：2002-11-14

申请号：US09909417

申请日：2001-07-19

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake

IPC: C03C017/00 ,  C07H001/00

CPC classification number: C09D11/30 ,  C07H15/08

Abstract: A saccharide-alkyleneoxy derivative comprising a compound represented by the following formula (1): Anull(EP)nnullOH nullnull(1)wherein A represents a skeleton of a saccharide selected from the group consisting of C3 to C12 aldoses, ketoses and sugar alcohols; EP represents an ethyleneoxy group and/or a propyleneoxy group; and n represents an average number of the repeating units. Also disclosed are a method for producing the saccharide alkyleneoxy derivative, and an ink containing the saccharide-alkyleneoxy derivative.

Abstract translation: 包含由下式（1）表示的化合物的糖 - 亚烷基氧基衍生物： A-（EP）n-OH（1）其中A表示选自C3至C12醛糖，酮糖和糖醇的糖的骨架; EP表示乙烯氧基和/或丙烯氧基; n表示重复单元的平均数。 还公开了制备糖类亚烷基氧基衍生物的方法和含有糖 - 亚烷基氧基衍生物的油墨。

公开(公告)号：US20020075369A1

公开(公告)日：2002-06-20

申请号：US09832171

申请日：2001-04-10

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi Ota ,  Hidehiko Komatsu ,  Kazuhiko Hara ,  Masahiro Yatake

IPC: G01D011/00

CPC classification number: C09B67/0019 ,  C01P2004/62 ,  C01P2004/64 ,  C09B67/0002 ,  C09B67/0017 ,  C09B67/0022 ,  C09B67/0023 ,  C09B67/0086 ,  C09B67/0089 ,  C09C1/565 ,  C09D11/322

Abstract: Provided is a process for the preparation of a pigment dispersion which comprises a pigment surface treatment step of introducing at least one hydrophilic dispersibility-providing group onto the surface of a pigment directly and/or with the interposition of a polyvalent group, and a dispersion step of dispersing a surface-treated pigment obtained at the surface treatment step in an aqueous medium, characterized in that the dispersion step involves the dispersion of the surface-treated pigment in admixture with a wetting agent and water and a resin for providing dispersibility and/or fixability is added during and/or after the dispersion step.

Abstract translation: 提供了一种制备颜料分散体的方法，其包括将至少一种亲水性分散性提供基团直接引入到颜料的表面和/或插入多价基团的颜料表面处理步骤，以及分散步骤 将在表面处理步骤获得的经表面处理的颜料分散在水性介质中，其特征在于分散步骤包括将表面处理的颜料与润湿剂和水和树脂混合分散，以提供分散性和/或 在分散步骤期间和/或之后添加定影性。

公开(公告)号：US20040237838A1

公开(公告)日：2004-12-02

申请号：US10841211

申请日：2004-05-07

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake ,  Jun Ito ,  Motoki Masuda

IPC: C09D011/00

CPC classification number: C09D11/17 ,  C09D11/322 ,  C09D11/40

Abstract: This invention provides an water-base ink achieving high print quality on plain, recycled, and coated paper, glossiness on glossy paper, as well as well-balanced gas fastness, and an water-base ink set which exhibits low light source dependence with regard to the colors of resultant printed matter. This invention is an water-base ink comprising a pigment, a surfactant and/or a penetrating organic solvent, and water, wherein the pigment is a copper phthalocyanine pigment substituted with eight or less chlorine atoms; the surfactant is an acetylene glycol surfactant and/or an acetylene alcohol type surfactant; and the penetrating organic solvent is one or more selected from the group consisting of di(tri)ethylene glycol monobutyl ether and/or (di)propylene glycol monobutyl ether, and 1,2-allylene glycol. This invention is also an water-base ink set comprising the water-base ink, a magenta ink and a yellow ink.

Abstract translation: 本发明提供了在普通纸，回收纸和涂布纸上获得高印刷质量的水性油墨，光面纸上的光泽度以及耐均匀气体性的水基油墨，以及相对于低光源依赖性的水性油墨组 到所得印刷品的颜色。 本发明是一种水性油墨，其包含颜料，表面活性剂和/或渗透性有机溶剂和水，其中所述颜料是由八个以下的氯原子取代的铜酞菁颜料; 表面活性剂是乙炔二醇表面活性剂和/或乙炔醇型表面活性剂; 渗透性有机溶剂是选自由二（三）乙二醇单丁醚和/或（二）丙二醇单丁醚和1,2-亚丙基二醇组成的组中的一种或多种。 本发明还是一种水性墨水组合物，其包含水基油墨，品红色油墨和黄色油墨。

公开(公告)号：US20010032566A1

公开(公告)日：2001-10-25

申请号：US09790253

申请日：2001-02-21

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake

IPC: C09D011/00 ,  G01D011/00

CPC classification number: C09D11/38

Abstract: An ink composition is provided which can yield prints having high color density and, even when printed on recycled papers, causes no significant feathering or bleeding and, at the same time, has excellent ejection stability and storage stability, The ink composition comprises a colorant, water, and a compound represented by formula (I): R-(EO)n-(PO)m-M wherein R represents an alkoxy group having in its molecular chain an acetylene bond; EO represents an ethyleneoxy group; and PO represents a propyleneoxy group; n and m each represent a repeating unit in terms of an average value in the whole system. EO and PO may be present in any order in the molecule. M represents a terminal group attached to the terminal oxygen atom of EO or PO.

Abstract translation: 提供一种油墨组合物，其可以产生具有高颜色密度的印刷品，并且即使在再循环纸上印刷也不会引起明显的羽化或渗色，并且同时具有优异的喷射稳定性和储存稳定性。油墨组合物包含着色剂， 水和由式（I）表示的化合物：其中R表示式（I）表示的化合物：其中R表示 在其分子链中具有乙炔键的烷氧基; EO表示乙烯氧基; PO表示丙烯氧基; n和m各自表示在整个系统中的平均值的重复单元。 EO和PO可以以分子中的任何顺序存在。 M表示与EO或PO的末端氧原子连接的末端基团。

公开(公告)号：US20030019398A1

公开(公告)日：2003-01-30

申请号：US10083701

申请日：2001-10-19

Applicant: SEIKO EPSON CORPORATION

Inventor： Hidehiko Komatsu ,  Hiroto Nakamura ,  Hitoshi Ohta ,  Masahiro Yatake ,  Kazuhiko Hara

IPC: C09B067/50 ,  C09B067/52 ,  C09B048/00 ,  C08K005/00

CPC classification number: C09D11/322 ,  C09B67/0008 ,  C09B67/0084 ,  C09B68/26 ,  C09B68/4253 ,  C09B68/441 ,  C09B68/446 ,  C09D17/001

Abstract: Disclosed is a pigment dispersion that can be used for an ink jet printing-use pigment ink that affords stable printing characteristics and has excellent storage stability in an ink jet printer having a head driven at a high frequency and having finer nozzles in order to enhance image quality and raise the speed. Disclosed is also a method for manufacturing this pigment dispersion. This manufacturing method includes a step of surface-treating a self-dispersing type of pigment, in which at least hydrophilic, dispersibility-imparting group is introduced to the pigment surface directly and/or via a polyvalent group, and a step of dispersing the self-dispersing pigment obtained in said surface-treating step in an aqueous medium, wherein the dispersion step is a step in which at least the self-dispersing pigment, a wetting agent, and water are dispersed in the form of a liquid mixture.

公开(公告)号：US20020198287A1

公开(公告)日：2002-12-26

申请号：US10094937

申请日：2002-03-11

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi Ohta ,  Hidehiko Komatsu ,  Masahiro Yatake ,  Kazuhiko Hara

IPC: C09D005/00

CPC classification number: C09D11/322 ,  C09D11/40

Abstract: An ink for ink jet printing process, comprising at least: a particulate pigment having a sulfur-containing dispersibility-imparting group on the surface thereof; a penetrating agent; a resin emulsion comprising a dispersed particulate resin having a sulfur-containing dispersibility-imparting group on the surface thereof; and water.

Abstract translation: 一种用于喷墨印刷方法的油墨，至少包括：在其表面上具有含硫分散性赋予基团的颗粒状颜料; 渗透剂; 包含在其表面具有含硫分散性赋予基团的分散粒状树脂的树脂乳液; 和水。

公开(公告)号：US20020107303A1

公开(公告)日：2002-08-08

申请号：US09976671

申请日：2001-10-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiyuki Miyabashi ,  Masahiro Yatake

IPC: C08K003/00 ,  C09D005/00

CPC classification number: C09D11/30 ,  C08F2/22 ,  C09D11/322

Abstract: An object of the present invention is to provide a production process of a polymer emulsion which can improve the printing stability and ejection stability of an ink composition. The object can be attained by a production process comprising the steps of: mixing water, a monomer, an emulsifier, and a polymerization initiator together to allow emulsion polymerization to proceed; and then adding a monovalent inorganic hydroxide to adjust the resultant polymer emulsion to a desired pH value.

Abstract translation: 本发明的目的是提供一种可以提高油墨组合物的印刷稳定性和喷射稳定性的聚合物乳液的制备方法。 该目的可以通过包括以下步骤的制备方法来实现：将水，单体，乳化剂和聚合引发剂混合在一起，以使乳液聚合进行; 然后加入一价无机氢氧化物以将所得聚合物乳液调节至所需的pH值。

公开(公告)号：US20040135863A1

公开(公告)日：2004-07-15

申请号：US10635416

申请日：2003-08-06

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake

IPC: G01D011/00

CPC classification number: C09D11/40 ,  C09D11/322

Abstract: An ink set that affords high print quality and stable discharge, places a small load on the apparatus, has a plurality of colors of ink jet recording ink, allows a substantially uniform amount of each color of ink to be discharged, and yields a recorded image with virtually no difference in the size of the dots between colors, and a method for manufacturing this ink set, and an ink jet recording apparatus. The ink set for ink jet recording of the present invention comprises a plurality of colors of ink containing pigments in which the aspect ratio (null) between the major and minor axes of the pigment particles is 2 or less, and the value of null(1nulln(nullnull1)), which is calculated from the ink viscosity (null) as measured at a shear rate of 200 Snull1 and at 20null C., is within null5 % for said plurality of colors of ink. The method for manufacturing the ink set for ink jet recording of the present invention is such that the value of null(1nulln(nullnull1)), as measured at a specific shear rate and a specific temperature, is within null5 % for said plurality of colors of ink. The ink jet recording apparatus of the present invention makes use of the above-mentioned ink set for ink jet recording, and employs a head whose drive system is electrostrictive or thermal.

Abstract translation: 提供高打印质量和稳定放电的油墨组，在装置上施加小负载，具有多种喷墨记录油墨的颜色，允许排出大致均匀的每种颜色的油墨，并产生记录图像 颜色之间的点的大小几乎没有差别，以及这种墨水组的制造方法以及喷墨记录装置。 本发明的喷墨记录用墨水组合物包含多种颜料的含有颜料的颜料，其中颜料颗粒的主轴和短轴之间的纵横比（σ）为2或更小，eta（1 根据在200S -1和20℃的剪切速率下测量的油墨粘度（η）计算的-n（σ-1））在所述多种颜色的 墨水。 本发明的喷墨记录用油墨组的制造方法使得在特定剪切速度和特定温度下测定的η（1-n（σ-1））的值在±5％ 用于所述多种颜色的墨水。 本发明的喷墨记录装置利用上述用于喷墨记录的油墨组，并采用其驱动系统是电致伸缩的或热的头部。

公开(公告)号：US20030196569A1

公开(公告)日：2003-10-23

申请号：US10347165

申请日：2003-01-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Masahiro Yatake ,  Masayuki Momose

IPC: C09D011/02 ,  G01D011/00

CPC classification number: C09D11/38 ,  C09D11/40

Abstract: For the purpose of providing an ink for inkjet recording that allows substantially bleed-free printing to be performed on plain paper, and particularly recycled paper, and providing an inkjet ink capable of ensuring high print quality and maintaining high ejection stability on plain paper, recycled paper, and coated paper, the present invention provides an inkjet ink comprising, together with a coloring material and water, a nonionic substance that has acetylene bonds in the molecules thereof and that also has hydroxyl groups and/or alkylene oxide repeating structures (preferably a substance whose structure is shown by formula (IA) according to claim 2, a substance whose structure is shown by formula (I) according to claim 20, or the like), and a nonionic substance that has lipophilic units comprising alkyl groups or cycloalkyl groups and that also has alkylene oxide repeating structures (preferably a substance whose structure is shown by formula (IIA) according to claim 2, a substance whose structure is shown by formula (II) according to claim 20, or the like).

Abstract translation: 为了提供用于喷墨记录的墨水，其允许在普通纸，特别是再生纸上执行基本上无渗色的印刷，并提供能够确保高印刷质量并在普通纸上保持高喷射稳定性的喷墨油墨，再循环 纸和涂布纸，本发明提供一种喷墨油墨，其包含与着色材料和水一起在其分子中具有乙炔键并且还具有羟基和/或烯化氧重复结构的非离子物质（优选为 其结构由权利要求2所述的式（IA）表示的物质，其结构由权利要求20所述的式（I）表示的物质等）和具有包含烷基或环烷基的亲油单元的非离子物质 并且还具有环氧烷重复结构（优选其结构由根据权利要求2的式（IIA）表示的物质，物质 其结构由权利要求20所述的式（II）表示，等等）。