公开(公告)号：US20040229974A1

公开(公告)日：2004-11-18

申请号：US10675865

申请日：2003-09-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiyuki Miyabayashi

IPC: C08K005/00 ,  C03C017/00 ,  C09D005/00

CPC classification number: C09C3/10 ,  C01P2004/54 ,  C01P2004/64 ,  C01P2006/22 ,  C08F2/44 ,  C08K5/0041 ,  C08K9/08 ,  C09B67/009 ,  C09B67/0097 ,  C09C1/56 ,  C09D11/32

Abstract: The present invention provides a microencapsulated pigment, wherein pigment particles having an anionic group on the surface are coated with a polymer comprising a repeating structural unit derived from a cationically polymerizable surface active agent and a repeating structural unit derived from an anionically polymerizable surface active agent and/or a hydrophilic monomer having an anionic group; and a process for producing a microencapsulated pigment, wherein the cationically polymerizable surface active agent is added to and mixed with an aqueous dispersion of the pigment particles having an anionic group on the surface, the anionically polymerizable surface active agent and/or the hydrophilic monomer having an anionic group are added thereto and the mixture was emulsified, followed by adding a polymerization initiator and carrying out emulsion polymerization. In addition, an ink jet recording ink comprising at least the above microencapsulated pigment and water.

Abstract translation: 本发明提供一种微胶囊化颜料，其中表面上具有阴离子基团的颜料颗粒涂覆有包含源自阳离子可聚合表面活性剂的重复结构单元和衍生自阴离子可聚合表面活性剂的重复结构单元的聚合物， /或具有阴离子基团的亲水性单体; 以及生产微胶囊化颜料的方法，其中将阳离子可聚合表面活性剂加入并与表面具有阴离子基团的颜料颗粒的水性分散体，阴离子可聚合表面活性剂和/或亲水单体混合， 加入阴离子基团，将混合物乳化，然后加入聚合引发剂并进行乳液聚合。 另外，至少包含上述微胶囊化颜料和水的喷墨记录油墨。

公开(公告)号：US20020077385A1

公开(公告)日：2002-06-20

申请号：US09952033

申请日：2001-09-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiyuki Miyabayashi

IPC: C09D005/00

CPC classification number: C09D11/40

Abstract: An ink jet recording method comprising a step of bringing a first ink composition into contact with a second ink composition on a recording medium to form an aggregate, wherein the first ink composition comprises at least a water-soluble organic solvent, water and a coloring agent comprising a coloring material enclosed with a polymer having an anionic group, and wherein the second ink composition comprising at least a water-soluble organic solvent, water and a coloring agent comprising a coloring material enclosed with a polymer having a cationic group. Also disclosed are ink sets suitable for the ink jet recording method.

Abstract translation: 一种喷墨记录方法，包括使第一油墨组合物与记录介质上的第二油墨组合物接触以形成聚集体的步骤，其中所述第一油墨组合物至少包含水溶性有机溶剂，水和着色剂 包括用具有阴离子基团的聚合物包封的着色材料，并且其中所述第二油墨组合物至少包含水溶性有机溶剂，水和着色剂，所述着色剂包含用具有阳离子基团的聚合物包封的着色材料。 还公开了适用于喷墨记录方法的油墨组。

公开(公告)号：US20010023266A1

公开(公告)日：2001-09-20

申请号：US09782530

申请日：2001-02-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiyuki Miyabayashi

IPC: C09D005/00

CPC classification number: C09D11/54 ,  B41M5/0017 ,  B41M5/5218 ,  B41M5/5245 ,  B41M7/0027 ,  C09D11/30

Abstract: An ink composition comprising a resin having a certain chelate structure can realize an image possessing excellent rubbing/scratch resistance and at the same time can realize various properties on a high level required of ink compositions. The ink composition comprises a colorant, water, a water-soluble organic solvent, and fine particles of a polymer, the polymer having a ligand structure capable of combining with a metal ion to form a chelate.

Abstract translation: 包含具有一定螯合结构的树脂的油墨组合物可以实现具有优异的耐摩擦/耐刮擦性的图像，同时可以实现油墨组合物所需的高水平的各种性能。 油墨组合物包含着色剂，水，水溶性有机溶剂和聚合物细颗粒，所述聚合物具有能够与金属离子结合形成螯合物的配体结构。

公开(公告)号：US20030195274A1

公开(公告)日：2003-10-16

申请号：US10228162

申请日：2002-08-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Hiroto Nakamura ,  Toshiyuki Miyabayashi ,  Masahiro Yatake ,  Hidehiko Komatsu

IPC: C03C017/00 ,  C09D005/00

CPC classification number: C09C1/56 ,  B01J13/04 ,  B01J13/14 ,  C01P2004/54 ,  C09B67/0013 ,  C09B67/0097 ,  C09B68/4253 ,  C09B68/44 ,  C09B68/4475 ,  C09C3/10 ,  C09D11/322 ,  C09D11/326 ,  C09D17/001 ,  Y10T428/29 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2998

Abstract: Provided are ink jet ink excellent in dispersion stability and ejection stability and capable of forming images with fastness, abrasion resistance, color developability, and high density with little feathering; a microencapsulated pigment (MCP) providing the ink and a process of making the same; and an aqueous dispersion of the MCP. The MCP comprises pigment particles having a hydrophilic group on their surface (hydrophilized pigment particles) and coated with a polymer by emulsion polymerization. The process comprises emulsion polymerization in the presence of the hydrophilized pigment particles. The ink essentially contains the MCP and water.

Abstract translation: 提供了分散稳定性和喷射稳定性优异的喷墨油墨，能够形成具有坚牢度，耐磨性，显色性，高密度，少羽毛的图像; 提供油墨的微胶囊化颜料（MCP）及其制备方法; 和MCP的水分散体。 MCP包含在其表面上具有亲水基团的颜料颗粒（亲水化颜料颗粒），并通过乳液聚合涂覆聚合物。 该方法包括在亲水化颜料颗粒存在下的乳液聚合。 油墨基本上含有MCP和水。

公开(公告)号：US20030069329A1

公开(公告)日：2003-04-10

申请号：US10056231

申请日：2002-01-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Kazuhide Kubota ,  Takashi Oyanagi ,  Toshiyuki Miyabayashi

IPC: C03C017/00 ,  C09D005/00

CPC classification number: C09D11/54 ,  B41J2/2114 ,  B41J11/002 ,  B41M5/0017 ,  B41M5/52 ,  B41M5/5218 ,  B41M5/5227 ,  B41M5/5236 ,  B41M5/5245 ,  B41M5/5254 ,  B41M5/5281 ,  B41M5/529 ,  B41M7/00 ,  C09D11/30 ,  C09D11/40

Abstract: There is provided a recording method that can realize images which possess excellent fixation on recording media, excellent rubbing/scratch resistance and good quality. In the recording method, an ink composition comprising at least a colorant, resin emulsion particles, a water-soluble organic solvent, and water and a reaction solution containing a reactant capable of forming coagulate upon contact with the ink composition are deposited onto a recording medium to perform printing. This recording method comprises the steps of: depositing the reaction solution onto the recording medium; depositing the ink composition onto the recording medium to record an image; and washing the recording medium, on which the reaction solution and the ink composition have been deposited to perform printing, with a polar so olar solvent.

Abstract translation: 提供了一种记录方法，可以实现在记录介质上具有优异的固定性，优异的摩擦/耐刮擦性和良好的质量的图像。 在记录方法中，至少包含着色剂，树脂乳液颗粒，水溶性有机溶剂和水的油墨组合物和含有能够与油墨组合物接触的凝结物的反应物的反应溶液沉积在记录介质上 执行打印。 该记录方法包括以下步骤：将反应溶液沉积到记录介质上; 将所述油墨组合物沉积到所述记录介质上以记录图像; 并用极性溶剂洗涤其上沉积有反应溶液和油墨组合物进行印刷的记录介质。