公开(公告)号：JP2004203968A

公开(公告)日：2004-07-22

申请号：JP2002372546

申请日：2002-12-24

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： YAMAMOTO TOMOYA ,  INOUE HITOSHI ,  YASHIRO RYOJI ,  OKAWA TAKAYUKI ,  MORIOKA JUNKO ,  TACHIBANA YUKIKO

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/326 ,  C09D11/328 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide an inkjet recording ink which stably can record an image having good fastness properties and an excellent quality level in any case over a long period of time.
SOLUTION: This inkjet recording ink comprises a polymer dispersing agent composed of a block copolymer containing at least one or more hydrophobic blocks and one or more hydrophilic blocks, a water insoluble coloring agent, a water soluble organic solvent, and water, and the solubility parameter of the water soluble organic solvent to the solubility parameter of the hydrophilic block part of the polymer dispersing agent is in the range of -4.0 to +16.0 (J/cm
3 )
1/2 . The inkjet recording method, the ink cartridge, and the inkjet recording apparatus use this ink.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2013202478A

公开(公告)日：2013-10-07

申请号：JP2012073174

申请日：2012-03-28

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： KONO KENICHI ,  OKAWA TAKAYUKI ,  MURAYAMA YOSHINAO ,  YAMAMOTO TOMOYA

IPC: B01J13/00

Abstract: PROBLEM TO BE SOLVED: To provide a fine particle dispersion having an extremely low metal concentration, having excellent dispersion stability, and allowing the removal of a contained organic substance at low temperatures.SOLUTION: This fine particle dispersion contains: an organic solvent, inorganic fine particles, a dispersant dispersing the inorganic fine particles in the organic solvent, and a cationic aliphatic amine. The dispersant is a block polymer containing a hydrophobic unit and a hydrophilic unit having oxyalkylene in a side chain.

Abstract translation: 要解决的问题：提供具有极低金属浓度，分散稳定性优异，并能够在低温下除去所含有机物质的微粒分散体。解决方案：该微粒分散体含有：有机溶剂，无机精细 颗粒，将无机细颗粒分散在有机溶剂中的分散剂和阳离子脂族胺。 分散剂是含有疏水单元的嵌段聚合物和在侧链中具有氧化烯的亲水单元。

公开(公告)号：JP2010059368A

公开(公告)日：2010-03-18

申请号：JP2008228926

申请日：2008-09-05

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： YAMAMOTO TOMOYA ,  OKAWA TAKAYUKI ,  CHIZUWA JUNKO ,  UENO SUZUKA

IPC: C09B67/46 ,  B41J2/01 ,  B41M5/00 ,  C09B67/08 ,  C09B67/20 ,  C09C3/10 ,  C09D11/00 ,  C09D11/322 ,  C09D11/324 ,  C09D11/326 ,  C09D11/38 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion, ink, ink cartridge, and inkjet recording apparatus by which high grade images with strong fastness are recorded stably for a long period of time. SOLUTION: The pigment dispersion mainly includes a polymer dispersant, a pigment, and water. The pigment is a resin-coated pigment coated with a copolymer comprising hydrophilic units having at least hydrophobic units and nonionic hydrophilic groups. The resin-coated pigment is included in a polymeric dispersant which is a copolymer comprising hydrophilic units having at least hydrophobic units and anionic hydrophilic groups. The hydrophobic unit of the polymeric dispersant has a block comprising at least one hydrophobic monomer. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供长时间稳定地记录具有坚牢牢度的高等级图像的颜料分散体，墨水，墨盒和喷墨记录装置。 颜料分散体主要包括聚合物分散剂，颜料和水。 颜料是涂覆有共聚物的树脂涂覆颜料，所述共聚物包含具有至少疏水单元和非离子亲水基团的亲水单元。 树脂涂覆的颜料包括在聚合物分散剂中，聚合物分散剂是包含具有至少疏水单元和阴离子亲水基团的亲水单元的共聚物。 聚合物分散剂的疏水单元具有包含至少一个疏水性单体的嵌段。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010018663A

公开(公告)日：2010-01-28

申请号：JP2008178898

申请日：2008-07-09

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： CHIZUWA JUNKO ,  OKAWA TAKAYUKI ,  YAMAMOTO TOMOYA ,  UENO SUZUKA

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/326 ,  C09D11/38 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion that gives an ink capable of stably recording an image in any case over a long period of time, which image is high in fastness such as fixation and resistance to rubbing and excellent in quality. SOLUTION: The pigment dispersion contains mainly a resin component, a pigment and water. The resin component contains a polymer A (polymer dispersant) composed of at least one hydrophobic monomer unit and at least an anionic hydrophilic monomer unit and a polymer B (resin compound) composed of at least one hydrophobic monomer unit and at least an acrylamide monomer unit represented by general formula (1). In the formula R 1 indicates a hydrogen atom or methyl group, X indicates a hydrogen atom or 1-4C alkyl group, and n is 1-10. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种颜料分散体，其能够长时间地赋予能够在任何情况下稳定记录图像的油墨，该图像的牢度高，如固定和耐摩擦性以及优异的质量 。 颜料分散体主要含有树脂成分，颜料和水。 树脂组分含有由至少一个疏水单体单元和至少一个阴离子亲水单体单元组成的聚合物A（聚合物分散剂）和由至少一个疏水单体单元和至少一个丙烯酰胺单体单元组成的聚合物B（树脂化合物） 由通式（1）表示。 式中，R 1表示氢原子或甲基，X表示氢原子或1-4C烷基，n为1-10。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2007321128A

公开(公告)日：2007-12-13

申请号：JP2006156355

申请日：2006-06-05

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： UENO SUZUKA ,  YAMAMOTO TOMOYA

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00

Abstract: PROBLEM TO BE SOLVED: To obtain ink that stably records an image having high fastness and excellent qualities for a long period of time under any circumstance. SOLUTION: In the ink-jet ink containing at least a water-insoluble colorant, the ink contains at least (a) an adduct of an alkylene oxide to a polyhydric alcohol represented by formula 1 (R is a ≤4C alkyl group or -CH 2 O(CH 2 CHXO) q H; X is H or CH 3 ; r+s+t is 6-30; q is 1-20) and (b) a polyoxyethylene castor oil represented by formula 2 (l+m+n+x+y+z is 10-100) or a polyoxyethylene hardened castor oil represented by formula 3. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了获得在任何情况下长时间稳定地记录具有高坚牢度和优异品质的图像的油墨。 解决方案：在至少含有水不溶性着色剂的喷墨油墨中，油墨至少含有（a）烯化氧与由式1表示的多元醇的加合物（R为≤4C烷基 或-CH 2 S 2 H（CH 2 SBH 2）; X是H或CH 3; R + s + t为6-30; q为1-20）和（b）由式2（1 + m + n + x + y + z为10-100）表示的聚氧乙烯蓖麻油或表示为 通过公式3.版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006160907A

公开(公告)日：2006-06-22

申请号：JP2004355359

申请日：2004-12-08

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： YAMAMOTO TOMOYA ,  TACHIBANA YUKIKO ,  KADOCHI SUZUKA

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/324 ,  C09D11/326 ,  C09D11/328 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide an ink jet recording ink which has a good extrusion performance and can stably record images having excellent fastness and excellent grade.
SOLUTION: This method for producing a color material dispersion type ink jet recording ink consisting mainly of a polymer dispersant comprising a block copolymer composed from an anionic hydrophilic group-having hydrophilic block and a hydrophobic block, a water-insoluble color material, a water-soluble organic solvent and water is characterized by having at least (1) the first process for thermally treating a color material dispersion consisting mainly of the polymer dispersant and a water-insoluble color material to lower pH, (2) the second process for mixing the color material dispersion obtained in the first process with the water and the water-soluble organic solvent to produce the ink, and (3) the third process for filtering the ink obtained in the second process.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种具有良好挤出性能的喷墨记录油墨，并可以稳定地记录具有优异坚牢度和优异等级的图像。 解决方案：用于生产主要由聚合物分散剂组成的着色材料分散型喷墨记录油墨的方法，该聚合物分散剂包括由具有阴离子亲水基团的亲水嵌段和疏水嵌段构成的嵌段共聚物，水不溶性着色材料， 水溶性有机溶剂和水的特征在于至少具有（1）用于热处理主要由聚合物分散剂和水不溶性着色材料组成的着色材料分散体以降低pH的第一种方法，（2）第二种方法 用于将在第一种方法中获得的着色材料分散体与水和水溶性有机溶剂混合以制备油墨，和（3）第二种方法中获得的第三种过滤方法。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006143904A

公开(公告)日：2006-06-08

申请号：JP2004336684

申请日：2004-11-19

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： TACHIBANA YUKIKO ,  YAMAMOTO TOMOYA ,  KADOCHI SUZUKA ,  INOUE HITOSHI

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/326 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide ink which exhibits little fluctuation of a pH value, sustains high ejection stability even when stored over a long period of time, and can provide a print image excellent in color development and fixability.
SOLUTION: The manufacturing method of the ink comprising a polymer dispersing agent, a water-insoluble color material, a water-soluble organic solvent, a surfactant, and water comprises at least (1) a first step of preparing color material dispersion mainly comprising the polymer dispersing agent, the water-insoluble color material, and the water, and (2) a second step of mixing the color material dispersion prepared by step (1), the water, the surfactant, and the water-soluble organic solvent to make ink; also comprises a third step of heating the color material dispersion or the ink to reduce pH, which is performed sometime between the end of the first step and the end of the second step; and at least comprises a fourth step of filtering the color material dispersion liquid or the ink before or after the third step, wherein the polymer dispersing agent has a carboxylic group as a hydrophilic group, and the carboxylic group is neutralized by lithium.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了提供几乎没有pH值波动的油墨，即使在长时间储存​​时也能保持高喷射稳定性，并且可以提供显色性和定影性优异的印刷图像。 解决方案：包含聚合物分散剂，水不溶性着色材料，水溶性有机溶剂，表面活性剂和水的油墨的制造方法至少包括（1）制备着色材料分散体的第一步骤 主要包括聚合物分散剂，水不溶性着色材料和水，和（2）将由步骤（1）制备的着色材料分散体，水，表面活性剂和水溶性有机物混合的第二步骤 溶剂制成油墨; 还包括加热着色材料分散体或油墨以降低在第一步骤结束和第二步骤结束之间的某个时间进行的pH的第三步骤; 并且至少包括在第三步骤之前或之后过滤颜料分散液或油墨的第四步骤，其中聚合物分散剂具有羧基作为亲水基团，并且羧基被锂中和。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005325240A

公开(公告)日：2005-11-24

申请号：JP2004144917

申请日：2004-05-14

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： YAMAMOTO TOMOYA ,  TACHIBANA YUKIKO ,  INOUE HITOSHI

IPC: B41J2/01 ,  B41M5/00 ,  C09B67/46 ,  C09D11/00 ,  C09D11/322 ,  C09D11/326 ,  C09D11/328 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To produce a colored dispersion that has excellent storage stability and provides an image having high color development and high fastness and ink for inkjet recording that stably records an image having excellent color development and fastness. SOLUTION: The method for producing the colored dispersion consisting essentially of a water-insoluble colorant used for ink, a polymer dispersant and water comprises a first process to a third process. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了制备具有优异的储存稳定性并提供具有高显色性和高坚牢度的图像和用于喷墨记录的油墨的着色分散体，其稳定地记录具有优异的显色性和坚牢度的图像。 解决方案：用于制备基本上由用于油墨的水不溶性着色剂，聚合物分散剂和水组成的着色分散体的方法包括第一步骤至第三步骤。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005320378A

公开(公告)日：2005-11-17

申请号：JP2004137703

申请日：2004-05-06

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： TACHIBANA YUKIKO ,  YAMAMOTO TOMOYA ,  INOUE HITOSHI

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/326 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide an inkjet recording ink which can always stably record a highly fast and high-quality image over a long period of time.
SOLUTION: The ink is an ink essentially consisting of a resin, a colorant, a nonionic surfactant, a water-soluble organic solvent, and water, wherein the resin comprises a block copolymer essentially consisting of at least one hydrophobic block and at least one hydrophilic block, each block comprising a vinyl ether, and the colorant is a self-dispersible pigment having anionic hydrophilic groups on the surface. An inkjet recording method, an ink cartridge, and an inkjet recording apparatus each of which uses the ink are also provided.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够长时间稳定地记录高速高质量图像的喷墨记录油墨。 解决方案：油墨是基本上由树脂，着色剂，非离子表面活性剂，水溶性有机溶剂和水组成的油墨，其中树脂包含基本上由至少一个疏水嵌段和 至少一个亲水性嵌段，每个嵌段包含乙烯基醚，着色剂是在表面上具有阴离子亲水基团的自分散颜料。 还提供了使用墨水的喷墨记录方法，墨盒和喷墨记录装置。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005171039A

公开(公告)日：2005-06-30

申请号：JP2003411282

申请日：2003-12-10

Applicant: Canon Finetech Inc ,  キヤノンファインテック株式会社

Inventor： YAMAMOTO TOMOYA ,  INOUE HITOSHI ,  TACHIBANA YUKIKO

IPC: B41J2/01 ,  B41M5/00 ,  C08F216/12 ,  C08L53/00 ,  C09B67/46 ,  C09D11/00 ,  C09D11/322 ,  C09D11/328 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a colored resin composition in which a coloring material is stably dispersed in a fine particle state and which can be supplied for preparing aqueous coloring material dispersions and water-based inks capable of forming images (printed products) having excellent fastness, and can be stored for a long period.
SOLUTION: This colored resin composition is characterized by uniformly holding a water-insoluble dye in a polyvinyl ether structure block copolymer having at least a hydrophobic portion and an acidic group portion which is neutralized to develop the hydrophilic property.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种着色树脂组合物，其中着色材料以细颗粒状态稳定地分散并且可以供应用于制备水性着色材料分散体和能够形成图像的水性油墨（印刷品 ）具有优异的牢度，并可长期储存。 解决方案：该着色树脂组合物的特征在于将水不溶性染料均匀地保持在具有至少疏水部分和中性的酸性部分以形成亲水性的聚乙烯醚结构嵌段共聚物中。 版权所有（C）2005，JPO＆NCIPI