公开(公告)号：US08586648B2

公开(公告)日：2013-11-19

申请号：US12391894

申请日：2009-02-24

申请人： Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

发明人： Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

IPC分类号： C08L31/02

CPC分类号： C09D133/10 ,  C09D11/326

摘要： An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by mass.

摘要翻译： 包含着色剂（A），聚合物（B）和水性液体介质（I）的水性着色剂分散体，其中聚合物（B）是包含亲水结构单元和疏水结构单元的共聚物，其含量 聚合物（B）中的疏水性结构单元大于80质量％但小于100质量％，疏水性结构单元包括疏水结构单元（a），其具有通过连接基团与包含在 聚合物（B）的主链，聚合物（B）中的芳环的含量相对于聚合物（B）的质量为10质量％以上且小于20质量％，亲水结构 单元包括包含离子基团的亲水性结构单元（b），聚合物（B）包括与疏水性结构单元（a）不同的结构单元（c）和亲水性结构单元（b）的含量 聚合物（B）中的结构单元（c）大于15％ 屁股，但小于90质量％。

公开(公告)号：US20090221742A1

公开(公告)日：2009-09-03

申请号：US12391894

申请日：2009-02-24

申请人： Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

发明人： Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

IPC分类号： C08L31/02

CPC分类号： C09D133/10 ,  C09D11/326

摘要： An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by mass.

摘要翻译： 包含着色剂（A），聚合物（B）和水性液体介质（I）的水性着色剂分散体，其中聚合物（B）是包含亲水结构单元和疏水结构单元的共聚物，其含量 聚合物（B）中的疏水性结构单元大于80质量％但小于100质量％，疏水性结构单元包括疏水结构单元（a），其具有通过连接基团与包含在 聚合物（B）的主链，聚合物（B）中的芳环的含量相对于聚合物（B）的质量为10质量％以上且小于20质量％，亲水结构 单元包括包含离子基团的亲水性结构单元（b），聚合物（B）包括与疏水性结构单元（a）不同的结构单元（c）和亲水性结构单元（b）的含量 聚合物（B）中的结构单元（c）大于15％ 屁股，但小于90质量％。

公开(公告)号：US20090131577A1

公开(公告)日：2009-05-21

申请号：US12266585

申请日：2008-11-07

申请人： Takahiro KATO ,  Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

发明人： Takahiro KATO ,  Takafumi Hosokawa ,  Misato Sasada ,  Naoya Shibata

IPC分类号： C08L39/04 ,  C08L31/02 ,  C08F26/08 ,  C08F220/30

CPC分类号： C09C3/10 ,  C08F20/30 ,  C08F220/56 ,  C09D11/326 ,  C09D17/001

摘要： The invention provides a pigment composition having a pigment and a dispersant, wherein the dispersant is a copolymer comprising: a repeating unit (a) having a specific structure; and a repeating unit (b) having an ionic group. The invention ether provides a water-based pigment dispersion containing: the pigment composition; and water or a water-based carrier medium containing water and an organic solvent. The invention further provides a method for producing the water-based pigment dispersion. The invention further provides a water-based ink for ink jet recording containing the water-based pigment dispersion. The invention further provides a polymer compound having, as copolymerization components, a monomer having a specific structure, (meth)acrylic acid, and benzyl (meth)acrylate.

摘要翻译： 本发明提供具有颜料和分散剂的颜料组合物，其中所述分散剂是共聚物，其包含：具有特定结构的重复单元（a） 和具有离子性基团的重复单元（b）。 本发明醚提供一种水性颜料分散体，其含有：颜料组合物; 水或含水和有机溶剂的水性载体介质。 本发明还提供一种水性颜料分散体的制造方法。 本发明还提供一种含有水性颜料分散体的喷墨记录用水性油墨。 本发明还提供具有（甲基）丙烯酸和（甲基）丙烯酸苄酯作为共聚成分的具有特定结构的单体的高分子化合物。

公开(公告)号：US08178597B2

公开(公告)日：2012-05-15

申请号：US12367088

申请日：2009-02-06

申请人： Misato Sasada ,  Takafumi Hosokawa

发明人： Misato Sasada ,  Takafumi Hosokawa

IPC分类号： A61K9/16 ,  C08F220/12 ,  C08J3/00 ,  C08J3/09 ,  C08K9/00 ,  C08L31/00 ,  C08L33/00 ,  C08L33/06 ,  C09B67/00 ,  C09D5/00 ,  C09D5/02 ,  C09D11/00

CPC分类号： C09D11/326

摘要： An aqueous inkjet recording ink including pigment particles coated with a water-insoluble resin, water, and a water-soluble organic solvent including at least one hydroxy group, wherein the water-insoluble resin has a salt-forming group and a structural unit which is derived from a methacrylate and has an aromatic ring linked via a linking group to an atom in the main chain of the water-insoluble resin, and the water-insoluble resin satisfies the condition that when the water-insoluble resin, an organic solvent, one equivalent of a neutralizing agent with respect to the salt-forming group, and water are mixed with a total content of the water-insoluble resin and the organic solvent being 35% by mass relative to the total mass of the mixture, an emulsion is formed without precipitation of the water-insoluble resin, and after the emulsion is allowed to stand for three hours, a transparent single phase is formed, or two separate phases are formed and at least an aqueous phase of the two phases is transparent.

摘要翻译： 一种水性喷墨记录油墨，其包含涂覆有不溶于水的树脂的颜料颗粒，水和包含至少一个羟基的水溶性有机溶剂，其中所述水不溶性树脂具有成盐基团和结构单元， 衍生自甲基丙烯酸酯并且具有通过连接基团与水不溶性树脂的主链中的原子连接的芳环，并且所述水不溶性树脂满足以下条件：当所述水不溶性树脂，有机溶剂，一种 将相对于成盐基团的中和剂相当于水，并且水与水不溶性树脂和有机溶剂的总含量相对于混合物的总质量为35质量％混合，形成乳液 在不使水不溶性树脂沉淀的状态下，使乳液静置3小时后，形成透明的单相，形成两个分相，至少将两相的水相 哈代是透明的。

公开(公告)号：US08110616B2

公开(公告)日：2012-02-07

申请号：US12368017

申请日：2009-02-09

申请人： Misato Sasada ,  Takafumi Hosokawa ,  Takahiro Kato

发明人： Misato Sasada ,  Takafumi Hosokawa ,  Takahiro Kato

IPC分类号： A61K9/16 ,  B05D7/00 ,  C04B24/26 ,  C08F220/12 ,  C08F290/06 ,  C08G63/60 ,  C08J3/00 ,  C08J3/09 ,  C08J5/00 ,  C08K9/00 ,  C08L31/00 ,  C08L33/00 ,  C08L33/06 ,  C08L67/00 ,  C08L73/00 ,  C08L77/00 ,  C09B67/00 ,  C09D5/00 ,  C09D5/02 ,  C09D11/00

CPC分类号： C09D11/326 ,  C09D133/06 ,  C08L2666/02

摘要： An aqueous inkjet recording ink including at least a resin (A), a pigment (B) dispersed with the resin (A), a resin emulsion (C), and an aqueous liquid medium (D), wherein the resin (A) includes hydrophobic structural units (a) and hydrophilic structural units (b), the hydrophobic structural units (a) include a hydrophobic structural unit (a1) in an amount of 40% by mass or more of the resin (A), the hydrophobic structural unit (a1) having an aromatic ring indirectly linked to an atom for forming the main chain of the resin (A), and a hydrophobic structural unit (a2) in an amount of 15% by mass or more of the resin (A), the hydrophobic structural unit (a2) being derived from a C1 to C4 alkyl acrylate or methacrylate, the hydrophilic structural units (b) include a structural unit (b1) derived from an acrylic acid or a methacrylic acid, and the content of the hydrophilic structural units (b) is 15% by mass or less in the resin (A).

摘要翻译： 至少包含树脂（A），分散有树脂（A）的颜料（B），树脂乳液（C）和水性液体介质（D））的水性喷墨记录油墨，其中树脂（A）包括 疏水结构单元（a）和亲水性结构单元（b）中，疏水结构单元（a）包括树脂（A）的40质量％以上的疏水性结构单元（a1），疏水性结构单元 （a1）具有与用于形成树脂（A）的主链的原子间接连接的芳环，以及树脂（A）的15质量％以上的疏水性结构单元（a2）， 疏水结构单元（a2）衍生自丙烯酸酯或甲基丙烯酸C1〜C4烷基酯，亲水性结构单元（b）包括衍生自丙烯酸或甲基丙烯酸的结构单元（b1），亲水性结构单元 （b）在树脂（A）中为15质量％以下。

公开(公告)号：US20090208652A1

公开(公告)日：2009-08-20

申请号：US12371252

申请日：2009-02-13

申请人： Misato Sasada ,  Takafumi Hosokawa

发明人： Misato Sasada ,  Takafumi Hosokawa

IPC分类号： B05D1/36 ,  C08L33/14

CPC分类号： C09D133/06 ,  B41M7/0018 ,  C09D11/326 ,  C09D11/40 ,  C09D11/54 ,  C09D133/14

摘要： An ink set for inkjet recording, including: an aqueous ink composition containing a pigment coated with a water-insoluble resin including a structural unit represented by the following formula (I), an organic solvent, a neutralizing agent, and water; and an aqueous liquid composition containing a component which aggregates the pigment in the aqueous ink composition when the aqueous liquid composition is mixed with the aqueous ink composition: wherein R1 represents a hydrogen atom or a methyl group, Ar represents an unsubstituted or substituted aromatic ring, and n represents an average number of repetition of 1 to 6.

摘要翻译： 一种用于喷墨记录的油墨组，包括：含有涂覆有水不溶性树脂的颜料的水性油墨组合物，所述水不溶性树脂包括由下式（I）表示的结构单元，有机溶剂，中和剂和水; 以及含水液体组合物，其含有水性油墨组合物与水性油墨组合物混合时，将水性油墨组合物中的颜料聚集的成分，其中，R1表示氢原子或甲基，Ar表示未取代或取代的芳香环， n表示1〜6的平均重复次数。

公开(公告)号：US20090088521A1

公开(公告)日：2009-04-02

申请号：US12240233

申请日：2008-09-29

申请人： Takafumi Hosokawa ,  Takahiro Kato ,  Misato Sasada ,  Takahiro Ishizuka

发明人： Takafumi Hosokawa ,  Takahiro Kato ,  Misato Sasada ,  Takahiro Ishizuka

IPC分类号： C09D11/10 ,  C08L31/02

CPC分类号： C09D17/001 ,  C09D11/326

摘要： The invention provides an aqueous colorant dispersion having: a colorant (A); a polymer (B); and an aqueous liquid medium (I), a method of producing the dispersion, and an aqueous ink for inkjet recording using the dispersion. The polymer (B) is a copolymer containing a hydrophilic structural unit and a hydrophobic structural unit. The hydrophobic structural unit contains a hydrophobic structural unit (a) containing a benzene ring which is not directly bonded to an atom that forms a main chain of the polymer (B). The hydrophilic structural unit contains a hydrophilic structural unit (b) containing an ionic group. The polymer (B) contains a structural unit (c) different from the hydrophobic structural unit (a) and the hydrophilic structural unit (b). A content of the hydrophobic structural unit and a content of the structural unit (c) with respect to a total mass of the polymer (B) are respectively in specific ranges.

摘要翻译： 本发明提供一种水性着色剂分散体，其具有：着色剂（A）; 聚合物（B）; 和水性液体介质（I），分散体的制造方法和使用该分散体的喷墨记录用水性油墨。 聚合物（B）是含有亲水结构单元和疏水结构单元的共聚物。 疏水性结构单元含有疏水结构单元（a），其含有不直接键合到形成聚合物（B）的主链的原子的苯环。 亲水性结构单元包含含有离子基团的亲水性结构单元（b）。 聚合物（B）含有与疏水性结构单元（a）和亲水性结构单元（b）不同的结构单元（c）。 疏水结构单元的含量和结构单元（c）的含量相对于聚合物（B）的总质量分别在特定范围内。

公开(公告)号：US08820909B2

公开(公告)日：2014-09-02

申请号：US13426618

申请日：2012-03-22

申请人： Misato Sasada ,  Jun Matsumoto

发明人： Misato Sasada ,  Jun Matsumoto

IPC分类号： B41J2/01 ,  C09D11/00 ,  B41J2/21 ,  C09D11/10 ,  B41J11/00

CPC分类号： C09D11/324 ,  B41J2/2107 ,  B41J11/002 ,  C09D11/101 ,  C09D11/40 ,  C09D11/54

摘要： A black ink composition includes a resin-coated carbon black containing a water-soluble resin and carbon black, a water-soluble polymerizable compound, a polymerization initiator, and water, wherein an average primary particle diameter of the carbon black is 20 nm or more, and an absorbance ratio of absorbance at a wavelength of 350 nm with respect to absorbance at a wavelength of 600 nm (absorbance at a wavelength of 350 nm/absorbance at a wavelength of 600 nm), when the black ink composition is diluted 5,000-fold with water, is 1.9 or lower.

摘要翻译： 黑色油墨组合物包括含有水溶性树脂和炭黑的树脂包覆炭黑，水溶性聚合性化合物，聚合引发剂和水，其中，所述炭黑的平均一次粒径为20nm以上 ，相对于600nm波长处的吸光度（波长350nm处的吸光度，波长600nm处的吸光度），波长350nm处的吸光度的吸光度比，当黑色墨水组合物稀释5,000〜 用水折叠，为1.9或更低。

公开(公告)号：US08414118B2

公开(公告)日：2013-04-09

申请号：US12470962

申请日：2009-05-22

申请人： Toshiyuki Makuta ,  Yasuhiko Kachi ,  Hiroshi Yamamoto ,  Terukazu Yanagi ,  Misato Sasada

发明人： Toshiyuki Makuta ,  Yasuhiko Kachi ,  Hiroshi Yamamoto ,  Terukazu Yanagi ,  Misato Sasada

IPC分类号： B41J2/01

CPC分类号： B41J11/002 ,  B41J13/223 ,  B41M5/0023 ,  B41M5/52 ,  B41M7/0027

摘要： The method forms an image using an inkjet recording apparatus, which includes: an image formation unit having a line head type inkjet head disposed opposite a circumferential surface of an image formation drum, the inkjet head depositing the aqueous ink onto the recording medium while the recording medium is held and conveyed in rotation on the circumferential surface of the image formation drum; and a drying unit arranged on a downstream side of the image formation unit, the drying unit having a drying device disposed opposite a circumferential surface of a drying drum, the drying device drying a solvent in the aqueous ink deposited on the recording medium, the drying unit drying the solvent by means of the drying device while the recording medium is held and conveyed in rotation on the circumferential surface of the drying drum; using, as the recording medium, a special paper which is a recording medium successively laminated from a base paper, a first layer containing a binder and a second layer containing a white pigment, the base paper with the first layer provided thereon having a Cobb water absorbency of not higher than 5.0 g/m2 with a contact time of 15 seconds based on a water absorbency test stipulated in JIS P8140, and the second layer having a water absorption amount of not lower than 2 ml/m2 and not higher than 8 ml/m2 with a contact time of 0.5 seconds according to Bristow's method, and having a layer surface pH of not higher than 5.5 after pH adjustment.

摘要翻译： 该方法使用喷墨记录装置形成图像，其包括：图像形成单元，具有与图像形成鼓的圆周表面相对设置的线头型喷墨头，喷墨头在记录时将水性墨水沉积到记录介质上 介质在图像形成鼓的圆周表面上旋转地保持和传送; 以及设置在图像形成单元的下游侧的干燥单元，干燥单元具有与干燥滚筒的圆周表面相对设置的干燥装置，干燥装置干燥沉积在记录介质上的水性墨水中的溶剂，干燥 通过干燥装置将溶剂单元干燥，同时将记录介质旋转地保持并传送到干燥滚筒的圆周表面上; 使用作为记录介质的专用纸作为从原纸连续层压的记录介质，含有粘合剂的第一层和含有白色颜料的第二层，其上设置有第一层的原纸具有Cobb水 基于JIS P8140规定的吸水性试验，接触时间为15秒的吸光度为5.0g / m 2以下，吸水量为2ml / m 2以上8层以下的第二层 / m 2，接触时间为0.5秒，根据Bristow方法，pH调节后层的表面pH不高于5.5。

公开(公告)号：US20130050355A1

公开(公告)日：2013-02-28

申请号：US13591584

申请日：2012-08-22

申请人： Mika Imamura ,  Misato Sasada

发明人： Mika Imamura ,  Misato Sasada

IPC分类号： C09D11/10 ,  B41J2/01

CPC分类号： C09D11/322 ,  B41J2/2107 ,  B41J11/002 ,  C09D11/101 ,  C09D11/40 ,  C09D11/54

摘要： An ink composition having excellent ink stability over time and image adhesion to a recording medium is provided.The ink composition of the present invention includes: cross-linked particles containing a quinacridone solid solution pigment including at least two types of quinacridone-based compound; a water-soluble polymerizable compound; a polymerization initiator; and water.

摘要翻译： 提供了具有优异的油墨稳定性随时间的图像粘附到记录介质上的油墨组合物。 本发明的油墨组合物包括：含有喹吖啶酮固溶体颜料的交联颗粒，其包含至少两种类型的喹吖啶酮类化合物; 水溶性聚合性化合物; 聚合引发剂; 和水。