公开(公告)号：JP2010091680A

公开(公告)日：2010-04-22

申请号：JP2008259864

申请日：2008-10-06

Applicant: Kao Corp ,  花王株式会社

Inventor： ITOI AKITO ,  TANAKA NOBUSHIGE

IPC: G02B5/20 ,  C09B57/00 ,  C09B67/20 ,  C09B67/46 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion for color filters having excellent heat resistance, and to provide a colored composition for color filters containing the same. SOLUTION: [1] The pigment dispersion for color filters includes a specific diketopyrrolopyrrole pigment (A), a graft polymer (B) and an organic solvent (C), wherein the graft polymer (B) is obtained by grafting a side chain having a constitutional unit derived from a hydroxy group-containing monomer on a main chain having a constitutional unit derived from a vinyl monomer, and a content of the constitutional unit derived from the hydroxy group-containing monomer is 5-30 wt.% in all constitutional units of the side chain. [2] The colored composition for color filters contains the pigment dispersion. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异耐热性的滤色器的颜料分散体，并提供含有该颜料分散体的彩色滤色片的着色组合物。 [1]用于滤色器的颜料分散体包括特定的二酮吡咯并吡咯颜料（A），接枝聚合物（B）和有机溶剂（C），其中接枝聚合物（B）是通过接枝侧 具有衍生自具有来源于乙烯基单体的结构单元的主链上的含羟基单体的结构单元的链，来源于含羟基单体的结构单元的含量为5-30重量％ 侧链的所有宪法单位。 [2]滤色器的着色组合物含有颜料分散体。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2002241428A

公开(公告)日：2002-08-28

申请号：JP2001038099

申请日：2001-02-15

Applicant: KAO CORP

Inventor： YOSHIMURA TADANORI ,  TANAKA NOBUSHIGE

IPC: C08F6/24 ,  C08F20/06

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a (meth)acrylic acid (co)polymer which is improved in coloring just after the production and is restrained or prevented from coloring in storage due to aging. SOLUTION: The method for producing a (meth)acrylic acid (co)polymer comprises (A) polymerizing (meth)acrylic acid or its salt, or (B) copolymerizing (meth)acrylic acid or its salt with a monomer which has a copolymerizable unsaturated group, in the reaction system hydrogen peroxide is present at 0.25 pts.wt. or more and a reducing agent is present at 0.25 pts.wt. or more on the basis of 100 pts.wt. of the (meth)acrylic acid (co)polymer respectively.

公开(公告)号：JP2009161691A

公开(公告)日：2009-07-23

申请号：JP2008002338

申请日：2008-01-09

Applicant: Kao Corp ,  花王株式会社

Inventor： ITOI AKITO ,  FUKUYAMA YUKIHIRO ,  TANAKA NOBUSHIGE ,  AZUMA AKISHI

IPC: C09B67/46 ,  G02B5/20

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion for a color filter having excellent heat resistance. SOLUTION: The pigment dispersion for a color filter includes a red pigment (A), a pigment dispersion a polymer for dispersing the pigment (B) and an organic solvent (C). The red pigment (A) has a 50 nm or less volume middle grain size (D50) and a 25% or less volume frequency of 25 nm or less size particles. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异耐热性的滤色器用颜料分散体。 滤色器的颜料分散体包括红色颜料（A），颜料分散体，用于分散颜料（B）的聚合物和有机溶剂（C）。 红色颜料（A）具有50nm或更小的体积中等粒度（D50）和25nm或更小的25nm或更小尺寸颗粒的体积频率。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008150535A

公开(公告)日：2008-07-03

申请号：JP2006341885

申请日：2006-12-19

Applicant: Kao Corp ,  花王株式会社

Inventor： SATO TAKAHIRO ,  TANAKA NOBUSHIGE ,  UEDA YASUSHI ,  TSUTSUMI TAKEHIRO

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

Abstract: PROBLEM TO BE SOLVED: To provide an inkjet recording water-based ink excellent in preservation stability while satisfying glossiness and print density, and to provide crosslinked polymer particle and its water dispersion used in the ink and to provide a method for producing the aqueous dispersion.
SOLUTION: The invention relates to (1) the crosslinked polymer particle for inkjet recording and aqueous dispersion of the same containing coloring agent, wherein the particle is obtained by crosslinking a polymer having a constituting unit originated from a monomer (c) containing at least two reactive functional groups and having a molecular weight of 100-12,000 and a 6-22C alkyl group or alkenyl group, and to the water dispersion of the crosslinked polymer particle (2) obtained by crosslinking the polymer having a constituting unit originated from the monomer (c) by mixing aqueous dispersion of the polymer particle containing the coloring agent and the crosslinking agent, and (3) to the water-based ink containing such aqueous dispersion.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种在保持稳定性方面优异的喷墨记录水性油墨，同时满足光泽度和印刷密度，并提供用于油墨中的交联聚合物颗粒及其水分散体，并提供一种制备 水分散体。 解决方案：本发明涉及（1）含有着色剂的喷墨记录用交联聚合物颗粒和水分散体，其中颗粒是通过交联具有源自单体（c）的构成单元的聚合物而获得的，所述单体 至少两个反应性官能团，分子量为100-12,000和6-22C烷基或烯基，以及交联聚合物颗粒（2）的水分散体，其通过将具有来自 单体（c）通过混合含有着色剂的聚合物颗粒的水性分散体和交联剂，和（3）含有该水分散体的水性油墨。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006152270A

公开(公告)日：2006-06-15

申请号：JP2005312283

申请日：2005-10-27

Applicant: Kao Corp ,  花王株式会社

Inventor： TAKIZAWA NOBUYUKI ,  UMADA AKIRA ,  TANAKA NOBUSHIGE ,  TSUTSUMI TAKEHIRO

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

Abstract: PROBLEM TO BE SOLVED: To provide an aqueous dispersion for use in ink-jet recording which develops a high printing density and has an excellent bleed resistance, and to provide a water-based ink containing this for use in ink-jet recording.
SOLUTION: The aqueous dispersion for use in ink-jet recording is a colorant-containing aqueous dispersion of water-insoluble polymer particles, characterized in that the above aqueous dispersion has a content of the water-insoluble polymer of 1-7% by weight and has a surface tension at 20°C of 60 mN/m or more; the manufacturing method thereof and the water-based ink containing the above aqueous dispersion for use in ink-jet recording are also disclosed.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供用于喷墨记录的水性分散体，其产生高的印刷密度并具有优异的耐渗漏性，并且提供含有这种用于喷墨记录的水性油墨 。 解决方案：用于喷墨记录的水分散体是含水不溶性聚合物颗粒的含着色剂的水性分散体，其特征在于上述水性分散体的水不溶性聚合物的含量为1-7％ 并且在20℃下的表面张力为60mN / m以上; 还公开了其制造方法和含有上述用于喷墨记录的水性分散体的水性油墨。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2004346174A

公开(公告)日：2004-12-09

申请号：JP2003144112

申请日：2003-05-21

Applicant: Kao Corp ,  花王株式会社

Inventor： SAKAKIBARA MAKOTO ,  TANAKA NOBUSHIGE ,  TAKENO TAIYO ,  MIZUSHIMA TATSUMA ,  TSUTSUMI TAKEHIRO

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/324 ,  C09D11/328 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To prepare a colorant dispersion of high storage stability, to provide a method for producing the same, and to provide a water-based ink for inkjet printing use comprising the colorant dispersion and having high storage stability and the water resistance of prints.
SOLUTION: The method for producing the colorant dispersion comprises the step(1) of mixing together a colorant, an ionic dispersant, a volatile neutralizing agent, a nonvolatile neutralizing agent, an organic solvent and water followed by carrying out a dispersion treatment and the step(2) of removing the organic solvent and the volatile neutralizing agent from the resultant dispersion. The water-based ink for inkjet printing use comprises the colorant dispersion.
COPYRIGHT: (C)2005,JPO&NCIPI

公开(公告)号：JP2008156463A

公开(公告)日：2008-07-10

申请号：JP2006346465

申请日：2006-12-22

Applicant: Kao Corp ,  花王株式会社

Inventor： SATO TAKAHIRO ,  TANAKA NOBUSHIGE ,  TSUTSUMI TAKEHIRO ,  UEDA YASUSHI

IPC: C09D17/00 ,  B41M5/00 ,  C09B67/02 ,  C09B67/20 ,  C09B67/46 ,  C09D11/00 ,  C09D11/322 ,  C09D11/328

Abstract: PROBLEM TO BE SOLVED: To provide water-based ink excellent in enhancement of a printing density and glossiness and suppression of bronzing, and to provide a method for manufacturing a dispersion for inkjet recording used for the ink. SOLUTION: (1) The manufacturing method for the dispersion of the crosslinked core shell polymer particle containing a coloring agent has a step I for obtaining the dispersion of the core shell polymer particle by polymerizing a hydrophobic monomer and a crosslinkable monomer having two or more of the reactive unsaturated groups in the presence of water, an organic solvent and a polymer having a salt-forming group, a step II for obtaining the dispersion of the core shell polymer particle containing the coloring agent by dispersing a mixture containing the obtained dispersion and the coloring agent, and a step III for obtaining the dispersion of the cross-linked core shell polymer particle containing the coloring agent by cross-linking the obtained core shell polymer particle containing the coloring agent using a cross-linking agent having two or more of the reactive functional groups. (2) The water-based ink for inkjet recording contains the obtained dispersion. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供在提高印刷密度和光泽度以及抑制烫金方面非常优异的水性油墨，并提供制造用于油墨的喷墨记录分散体的方法。 （1）含有着色剂的交联核壳聚合物颗粒的分散的制造方法具有步骤I，用于通过聚合疏水单体和具有两个的疏水性单体和可交联单体来获得核壳聚合物颗粒的分散体 在水，有机溶剂和具有成盐基团的聚合物存在下的反应性不饱和基团中的至少一种以上的反应性不饱和基团;步骤II，通过将含有所得到的 分散体和着色剂，以及步骤III，用于通过使用具有两个或更多个交联剂的交联剂将含有着色剂的所得核壳聚合物颗粒交联，从而获得含有着色剂的交联核壳聚合物颗粒的分散体 更多的反应性官能团。 （2）喷墨记录用水性油墨含有所得到的分散液。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008063500A

公开(公告)日：2008-03-21

申请号：JP2006244804

申请日：2006-09-08

Applicant: Kao Corp ,  花王株式会社

Inventor： SATO TAKAHIRO ,  TANAKA NOBUSHIGE ,  TAKEMURA KAZUNARI ,  TSUTSUMI TAKEHIRO

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/30

Abstract: PROBLEM TO BE SOLVED: To provide an inkjet recording water-based ink excellent in the control of glossiness and a bronzing phenomenon, an aqueous dispersion which is used as the ink, and a method for preparing crosslinked core-shell particles. SOLUTION: The inkjet recording aqueous dispersion (1) comprises water insoluble crosslinked particles containing a colorant and core-shell polymer particles or crosslinked polymer particles. The water-based ink (2) comprises the dispersion, and the method for preparing the crosslinked core-shell polymer particles (3) comprises polymerizing an emulsion composition comprising a water insoluble polymer, a crosslinkable monomer having at least two reactive unsaturated groups in the molecule, and a hydrophobic monomer, to prepare a dispersion of core-shell polymer particles whose core portion is crosslinked, and thereafter reacting the polymer particles with a crosslinking agent having at least two reactive functional groups in the molecule. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供控制光泽度和烫金现象优异的喷墨记录水性油墨，用作油墨的水性分散体和制备交联的核 - 壳颗粒的方法。 解决方案：喷墨记录水分散体（1）包含含有着色剂和核 - 壳聚合物颗粒或交联聚合物颗粒的水不溶性交联颗粒。 水性油墨（2）包含分散体，并且制备交联的核 - 壳聚合物颗粒（3）的方法包括聚合包含水不溶性聚合物的乳液组合物，在其中具有至少两个反应性不饱和基团的可交联单体 分子和疏水性单体，以制备核心部分交联的核 - 壳聚合物颗粒的分散体，然后使聚合物颗粒与分子中具有至少两个反应性官能团的交联剂反应。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006316246A

公开(公告)日：2006-11-24

申请号：JP2005304127

申请日：2005-10-19

Applicant: Kao Corp ,  花王株式会社

Inventor： AZUMA AKISHI ,  TANAKA NOBUSHIGE ,  TSURU ISAO

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

Abstract: PROBLEM TO BE SOLVED: To provide an ink set for ink-jet recording affording a multi-order color or composite black having excellent glossiness or image clarity and to provide a method for producing a print using the ink set. SOLUTION: The ink set for ink-jet recording is provided with two or more kinds of inks having different colors. The inks contain a water-insoluble organic compound (A), polymer particles (B) and a colorant (C). The method for producing the print comprises using the ink set. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于喷墨记录的油墨组，其提供具有优异光泽度或图像清晰度的多级颜色或复合黑色，并提供使用该油墨组生产印刷的方法。 解决方案：用于喷墨记录的油墨组具有两种或更多种具有不同颜色的油墨。 油墨含有水不溶性有机化合物（A），聚合物颗粒（B）和着色剂（C）。 制造印刷品的方法包括使用该油墨组。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2002308934A

公开(公告)日：2002-10-23

申请号：JP2001110034

申请日：2001-04-09

Applicant: KAO CORP

Inventor： TANAKA NOBUSHIGE ,  YOSHIMURA TADANORI

IPC: C11D3/37 ,  C08F2/22 ,  C08F20/06

Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a (meth)acrylic acid (co)polymer permitting to simply and effectively decompose and reduce a hydroquinone compound contained in a monomer. SOLUTION: In manufacturing the (meth)acrylic acid polymer or copolymer by polymerizing a monomer comprising acrylic acid or methacrylic acid, or a salt thereof as an essential ingredient, a hydroquinone compound, a persulfate, a water-soluble metallic salt and hydrogen peroxide are caused to exist in the reaction system, the amount of the persulfate and the water-soluble metallic salt being 15-300 pts.wt. and 0.001-0.05 pt.wt., respectively, each based on 1 pt.wt. of the hydroquinone compound, and the persulfate/hydrogen peroxide molar ratio being 0.01-0.5.