公开(公告)号：JP2010007020A

公开(公告)日：2010-01-14

申请号：JP2008170636

申请日：2008-06-30

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

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

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion in which the pigment is finely dispersed, and which has excellent dispersion stability of the pigment even when stored for a long time, and to provide an ink composition which has a clear color tone and high coloring power, with which an image with high picture quality is formed and which is curable by irradiation of an active energy ray and is suited for inkjet recording.
SOLUTION: The pigment dispersion comprises at least: the pigment (a), a polymer including a repeating unit represented by general formula (I) and having weight average molecular weight in the range of 10,000-1,000,000 (b), and a polymerizable compound (c).
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供其中颜料细分散的颜料分散体，并且即使长时间储存​​也具有优异的颜料分散稳定性，并且提供具有清晰色调的油墨组合物 和高着色力，通过其形成具有高图像质量的图像，并且其可通过照射活性能量射线固化并且适合于喷墨记录。 颜料分散体至少包括：颜料（a），包含由通式（I）表示的重均单元，重均分子量在10,000-1,000,000（b）范围内的聚合物，和 聚合性化合物（c）。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2008266560A

公开(公告)日：2008-11-06

申请号：JP2007294641

申请日：2007-11-13

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE ,  TOJO KAORU

IPC: B41J2/01 ,  B41M5/00 ,  C09D11/00 ,  C09D11/322 ,  C09D11/36 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition preferable for inkjet recording excellent in dispersibility and stability of fine pigments and capable of forming a high-quality image having a brilliant color tone and high tinting strength and of being cured by irradiating an activated irradiation; and an inkjet recording method using the ink composition. SOLUTION: This ink composition is characterized in that the composition comprises (a) a polymerizable compound, (b) a pigment and (c) a graft copolymer having in a graft chain thereof, a recurring unit represented by general formula (1) (wherein R represents any one of a hydrogen atom and a methyl group; X represents any one of a single bond, -O-, -CO-, -COO-, -CONR 1 -, -OCO- and a phenylene group; L represents any one of a single bond and a divalent coupling group; and Z represents -NR 2 R 3 ). COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供优选用于喷墨记录的油墨组合物，其具有优异的细颜料的分散性和稳定性，并且能够形成具有明亮色调和高着色强度的高质量图像，并且通过照射 活化辐射; 和使用该油墨组合物的喷墨记录方法。 该油墨组合物的特征在于，所述组合物包含（a）可聚合化合物，（b）颜料和（c）在其接枝链中具有由通式（1）表示的重复单元的接枝共聚物 ）（其中R表示氢原子和甲基中的任一个; X表示单键，-O - ， - CO - ， - COO - ， - CONR 1 - ， - OCO-和亚苯基; L表示单键和二价偶联基团中的任一个; Z表示-NR SP 2 R 3。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2014065840A

公开(公告)日：2014-04-17

申请号：JP2012213151

申请日：2012-09-26

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

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

Abstract: PROBLEM TO BE SOLVED: To provide ink compositions for forming an image excellent in solvent resistance and adhesion to a record medium.SOLUTION: An ink composition comprises: (a) a first polymer compound, which comprises 20-90 mass% of a repeating unit (a-1) including a substructure represented by the specified general formula (1), 8-25 mass% of a repeating unit (a-2) having a betaine structure, and a repeating unit (a-3) having a hydrophobic group; (b) water; and (c) a water-soluble organic solvent. In the general formula (1), Rand Reach represent a hydrogen atom or a C1-C4 alkyl group, with at least one of Rand Rrepresenting a C1-C4 alkyl group, where Rand Rmay be bonded to each other to form a 4-6 membered alicyclic structure; and the symbol * represents a binding site to a main chain or side chain in the polymer compound.

Abstract translation: 要解决的问题：提供用于形成耐溶剂性和对记录介质的粘附性优异的图像的油墨组合物。溶液：油墨组合物包含：（a）第一聚合物化合物，其包含20-90质量％的重复单元 （a-1）和具有甜菜碱结构的重复单元（a-2）8-25质量％，具有疏水基的重复单元（a-3） ; （b）水; 和（c）水溶性有机溶剂。 在通式（1）中，兰德·达奇代表氢原子或C1-C4烷基，其中至少一个兰基R表示C1-C4烷基，其中兰德·赖米彼此键合形成4-6 五元脂环结构; 符号*表示高分子化合物中的主链或侧链的结合位点。

公开(公告)号：JP2014058608A

公开(公告)日：2014-04-03

申请号：JP2012203516

申请日：2012-09-14

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE ,  TENSHO AKIHITO

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

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition having excellent discharge stability when applied to an inkjet method, with which an image having excellent solvent resistance and suppressing generation of blur can be formed.SOLUTION: The ink composition comprises: a polymeric compound having a repeating unit (a-1) having a partial structure represented by formula (1) and a repeating unit (a-2) having a hydrophilic group; a tetra-functional (meth)acrylamide compound containing a polyether chain; and water. In the formula, Rand Reach represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and at least one of Rand Ris an alkyl group having 1 to 4 carbon atoms; and * represents a bonding moiety to the main chain or side chains in the polymeric compound.

Abstract translation: 要解决的问题：提供一种当应用于喷墨方法时具有优异的喷射稳定性的油墨组合物，可以形成具有优异耐溶剂性和抑制模糊产生的图像。溶液：油墨组合物包含：具有 具有由式（1）表示的部分结构的重复单元（a-1）和具有亲水基团的重复单元（a-2） 含有聚醚链的四官能（甲基）丙烯酰胺化合物; 和水。 在该式中，Rand Reach表示氢原子或具有1至4个碳原子的烷基，并且Rand Ris中的至少一个是具有1至4个碳原子的烷基; 和*表示与聚合化合物中的主链或侧链的结合部分。

公开(公告)号：JP2013203907A

公开(公告)日：2013-10-07

申请号：JP2012075120

申请日：2012-03-28

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE ,  NAKANO RYOICHI

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

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition which can provide an image improved in both water resistance and solvent resistance and further improved in glossiness, is suitably used for image formation using an inkjet method, and has excellent maintenance property of an inkjet head.SOLUTION: An ink composition contains: (a) a polymer compound and (b) water. The polymer compound includes: a repeating unit (a-1) having a partial structure represented by general formula (1); 8-25 mass%, relative to the whole mass of the polymer compound, of a repeating unit (a-2) having hydrophilic group; and a repeating unit (a-3) having a partial structure represented by general formula (2), and has a solubility parameter in an unneutralized state of 20.7-23.0 MPa.

Abstract translation: 要解决的问题：为了提供能够提供耐水性和耐溶剂性改善的图像并进一步提高光泽度的油墨组合物，适合用于使用喷墨方法的图像形成，并且具有优异的喷墨头的维护性能。 解决方案：油墨组合物包含：（a）高分子化合物和（b）水。 高分子化合物包括：具有由通式（1）表示的部分结构的重复单元（a-1）; 相对于高分子化合物的全质量，具有亲水基团的重复单元（a-2）为8〜25质量％ 和具有由通式（2）表示的部分结构的重复单元（a-3），并且具有20.7-23.0MPa的未中和状态的溶解度参数。

公开(公告)号：JP2013159689A

公开(公告)日：2013-08-19

申请号：JP2012022342

申请日：2012-02-03

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

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

CPC classification number: C09D11/30 ,  C09D11/106 ,  C09D11/322 ,  Y10T428/24802

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition capable of forming an image free from bleeding when recording the image by inkjet method, and further forming an image excellent in glossiness even when dried at low temperature, and an image forming method and printed matter using the ink composition.SOLUTION: An inkjet ink composition contains: (a) 3-10 mass% of particles of a polymer compound that includes a first copolymer containing mass% to mass% of a repeating unit derived from a hydrophilic monomer, has a volume average diameter of 100 nm or more and 300 nm or less, and has no crosslinked structure; (b) 5-20 mass% of a water-soluble polymer; (c) 1-10 mass% of a colorant; (d) 5-40 mass% of a water-soluble organic solvent; and (e) water.

Abstract translation: 要解决的问题：提供一种当通过喷墨方法记录图像时能够形成图像没有渗色的油墨组合物，并且即使在低温下干燥也可以进一步形成光泽度优异的图像，以及图像形成方法和使用 油墨组合物。溶液：喷墨油墨组合物含有：（a）含有质量％〜质量％的来自亲水性单体的重复单元的第一共聚物的高分子化合物的3-10质量％的粒子的体积 平均直径为100nm以上且300nm以下，没有交联结构; （b）5-20质量％的水溶性聚合物; （c）1-10质量％的着色剂; （d）5-40质量％的水溶性有机溶剂; 和（e）水。

公开(公告)号：JP2013040314A

公开(公告)日：2013-02-28

申请号：JP2011179984

申请日：2011-08-19

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

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

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition which has good curability, enables the formation of images with high water resistance, suppresses a decrease in curability when preserved for a long time period, and exhibits good dischargeability upon image recording when applied to an inkjet recording method, an image forming method using the ink composition, and printed matter.SOLUTION: The ink composition includes at least (a) a polymer compound having a repeating unit that contains a partial structure represented by general formula (1), (b) a photopolymerization initiator, and (c) water. In general formula (1), Rdenotes an alkyl group of 1-4 carbons, n1 denotes an integer of from 0 to 2, and * denotes the linking position with an adjacent part.

Abstract translation: 要解决的问题：为了提供具有良好固化性的油墨组合物，能够形成具有高耐水性的图像，在长时间保存时抑制固化性降低，并且当应用时在图像记录时表现出良好的放电性 喷墨记录方法，使用该油墨组合物的图像形成方法和印刷物。 解决方案：油墨组合物至少包含（a）具有含有由通式（1）表示的部分结构，（b）光聚合引发剂和（c）水）的重复单元的高分子化合物。 通式（1）中，R 1表示1-4个碳的烷基，n 1表示0〜2的整数，*表示与相邻的 部分。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012162656A

公开(公告)日：2012-08-30

申请号：JP2011024480

申请日：2011-02-07

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE ,  HIRONAKA KOJI

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

CPC classification number: C09D11/101 ,  B41J2/2107

Abstract: PROBLEM TO BE SOLVED: To provide an ink composition which has excellent discharge recovery properties when recording an image by an inkjet method and whose recorded image has excellent solvent resistance and fixability.SOLUTION: The ink composition is used, which includes: (a) a polymer including a repeating unit (a1) having a group represented by general formula (1) and a repeating unit (a2) having a hydrophilic group; (b) a radically polymerizable compound; (c) water; and (d) a color material. In formula, Rand Reach independently represents a 1-4C alkyl group and Rand Rmay bond to each other to form a 4- to 6-membered alicyclic structure; and * represents a bonding site.

Abstract translation: 要解决的问题：提供一种通过喷墨方法记录图像时具有优异的放电恢复性能并且其记录图像具有优异的耐溶剂性和定影性的油墨组合物。 解决方案：使用油墨组合物，其包括：（a）包含具有由通式（1）表示的基团的重复单元（a1）和具有亲水基团的重复单元（a2）的聚合物; （b）自由基聚合性化合物; （c）水; 和（d）彩色材料。 在式中，R a 和R b 各自独立地表示1-4C烷基，R a 和R b 可以彼此键合以形成4-至6-元脂环结构; 和*表示结合部位。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012012539A

公开(公告)日：2012-01-19

申请号：JP2010152355

申请日：2010-07-02

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

IPC: B41J2/01 ,  B41M5/00 ,  C09B67/20 ,  C09D11/00 ,  C09D11/322 ,  C09D11/328

Abstract: PROBLEM TO BE SOLVED: To provide: a pigment dispersion excellent in curability when used together with a polymerizable compound, excellent in discharge stability, and excellent in resistance to solvents; an ink composition using the same; an image forming method; and a printed matter.SOLUTION: The ink composition is used which comprises at least (a) a pigment, (b) a water-soluble dye having a basic group or its salt, and an acidic group or its salt, (c) a polymeric dispersant, and (d) the polymerizable compound.

Abstract translation: 要解决的问题：提供：与聚合性化合物一起使用时的固化性优异的排出稳定性优异，耐溶剂性优异的颜料分散体; 使用该油墨组合物的油墨组合物; 图像形成方法; 和印刷品。 解决方案：使用至少包含（a）颜料，（b）具有碱性基团或其盐的水溶性染料和酸性基团或其盐的油墨组合物，（c）聚合物分散剂 ，（d）聚合性化合物。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011213908A

公开(公告)日：2011-10-27

申请号：JP2010084268

申请日：2010-03-31

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： SHIMOHARA NORIHIDE

IPC: C09B67/46 ,  B41M5/00 ,  C09B67/20 ,  C09B67/22 ,  C09D11/00 ,  C09D11/322 ,  C09D11/326 ,  C09D11/328 ,  C09D11/38

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion which includes finely dispersed pigments, and which is excellent in dispersion stability of the pigment even when stored for a long term, exhibits excellent curability when it is used together with a polymerizable compound and is excellent in resistance to an oxidative gas, and to provide an ink composition using the pigment dispersion, a method for forming an image, and printed matter.SOLUTION: The pigment dispersion contains (a) a pigment and (b) a polymer dispersant including a repeating unit having a sulfide group, wherein the content of sulfur atom derived from the sulfide groups is 0.5-8.0 mass% in the polymer dispersant.

Abstract translation: 要解决的问题：为了提供包含细分散颜料的颜料分散体，即使长期储存，颜料的分散稳定性优异，与可聚合化合物一起使用也显示出优异的固化性， 耐氧化性气体，并提供使用该颜料分散体的油墨组合物，形成图像的方法和印刷物。溶液：颜料分散体含有（a）颜料和（b）包含重复单元的聚合物分散剂 具有硫化物基团，其中衍生自硫化物基团的硫原子的含量在聚合物分散剂中为0.5-8.0质量％。