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：US20090291215A1

公开(公告)日：2009-11-26

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： B05D5/00

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

摘要： The method forms an image by directly depositing aqueous ink ejected from an inkjet recording apparatus onto a recording medium. The method comprises: using, as the inkjet recording apparatus, an apparatus including: 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; and using, as the aqueous ink, a special ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D).

摘要翻译： 该方法通过将从喷墨记录装置喷射的含水油墨直接沉积到记录介质上形成图像。 该方法包括：使用作为喷墨记录装置的装置，该装置包括：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，喷墨头将水性墨水沉积到记录介质上，同时 记录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，吸水量不高于5.0g / m 2，吸水量不低于2ml / m 2且不大于8ml / 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; 并且使用至少含有树脂分散剂（A）的特殊油墨，由树脂分散剂（A）分散的颜料（B），自分散性聚合物微粒（C）和水分 液体介质（D）。

公开(公告)号：US20090311426A1

公开(公告)日：2009-12-17

申请号：US12470742

申请日：2009-05-22

申请人： Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

发明人： Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

IPC分类号： B05D5/00 ,  B41J2/01

CPC分类号： B41J13/223 ,  B41J2/2114 ,  B41J11/002 ,  B41M5/0011 ,  B41M5/0023 ,  B41M7/009

摘要： The inkjet recording method includes: a treatment liquid depositing step of applying treatment liquid onto a recording medium while holding the recording medium on a circumferential surface of a treatment liquid drum and conveying the recording medium by rotating the treatment liquid drum, and drying at least a portion of a solvent in the treatment liquid; an image forming step of ejecting ink from a line type inkjet head to deposit the ink onto the recording medium on which the treatment liquid has been deposited, while holding the recording medium on a circumferential surface of an image formation drum and conveying the recording medium by rotating the image formation drum, the ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D), the ink having one of a solid component that is aggregated upon making contact with the treatment liquid and a solid component that is precipitated upon making contact with the treatment liquid; and a drying step of drying a solvent in the ink having been deposited on the recording medium while holding the recording medium on a circumferential surface of a drying drum and conveying the recording medium by rotating the drying drum.

摘要翻译： 喷墨记录方法包括：处理液体沉积步骤，其将处理液体保持在记录介质上，同时将记录介质保持在处理液体滚筒的圆周表面上，并通过旋转处理液体滚筒输送记录介质，并干燥至少一个 处理液中溶剂的一部分; 图像形成步骤，从线型喷墨头喷射墨水，以将油墨沉积到已经沉积有处理液体的记录介质上，同时将记录介质保持在图像形成鼓的圆周表面上并通过以下方式传送记录介质 旋转图像形成鼓，含有至少一种树脂分散剂（A）的油墨，由树脂分散剂（A）分散的颜料（B），自分散性聚合物微粒（C）和水性液体介质 D），具有与处理液接触时聚集的固体成分和与处理液接触而析出的固体成分之一的油墨; 以及干燥步骤，其将已经沉积在记录介质上的油墨中的溶剂干燥，同时将记录介质保持在干燥鼓的圆周表面上，并通过旋转干燥鼓来输送记录介质。

公开(公告)号：US08337953B2

公开(公告)日：2012-12-25

申请号：US12470742

申请日：2009-05-22

申请人： Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

发明人： Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

IPC分类号： B05D1/36

CPC分类号： B41J13/223 ,  B41J2/2114 ,  B41J11/002 ,  B41M5/0011 ,  B41M5/0023 ,  B41M7/009

摘要： The inkjet recording method includes: a treatment liquid depositing step of applying treatment liquid onto a recording medium on a treatment liquid drum; an image forming step of ejecting ink from a line inkjet head to deposit the ink onto the recording medium on which the treatment liquid has been deposited on a circumferential surface of an image formation drum, the ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D), the ink having one of a solid component that is aggregated upon making contact with the treatment liquid and a solid component that is precipitated upon making contact with the treatment liquid; and a drying step of drying a solvent in the ink having been deposited on the recording medium on a drying drum.

摘要翻译： 喷墨记录方法包括：处理液沉积步骤，将处理液体施加到处理液体滚筒上的记录介质上; 一种图像形成步骤，用于从线条喷墨头喷射墨水，以将墨水沉积到图像形成鼓的圆周表面上沉积有处理液体的记录介质上，该油墨至少含有树脂分散剂（A）， 由树脂分散剂（A），自分散性聚合物微粒（C）和水性液体介质（D）分散的颜料（B），所述油墨具有与其接触时聚集的固体成分之一 处理液体和与处理液体接触时析出的固体成分; 以及将已经沉积在记录介质上的墨中的溶剂干燥在干燥滚筒上的干燥步骤。

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：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。

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：US08393727B2

公开(公告)日：2013-03-12

申请号：US13079820

申请日：2011-04-05

申请人： Misato Sasada ,  Yasufumi Ooishi

发明人： Misato Sasada ,  Yasufumi Ooishi

IPC分类号： G01D11/00

CPC分类号： C09D11/40 ,  C09D11/101 ,  C09D11/322 ,  C09D11/326 ,  C09D11/54

摘要： The present invention provides an inkjet ink composition, which has excellent ink-ejection reliability over a long time and capability of forming an image without defects such as white spots, and which includes: a pigment coated with a dispersant polymer; a water soluble polymerizable compound; a polymerization initiator; and water, the dispersant polymer being formed from a water soluble dispersant by crosslinking with a crosslinking agent.

摘要翻译： 本发明提供了一种喷墨油墨组合物，其长时间具有优异的喷墨可靠性和形成无斑点等缺陷的图像的能力，并且包括：涂布有分散剂聚合物的颜料; 水溶性聚合性化合物; 聚合引发剂; 和水，所述分散剂聚合物通过与交联剂交联由水溶性分散剂形成。

公开(公告)号：US20090234058A1

公开(公告)日：2009-09-17

申请号：US12402658

申请日：2009-03-12

申请人： Misato Sasada

发明人： Misato Sasada

IPC分类号： C08K3/04

CPC分类号： C09D11/324

摘要： An aqueous ink composition including a carbon black having a specific surface area of 200 m2/g or more but less than 300 m2/g according to a BET method, an organic solvent, a neutralizing agent and water, wherein the carbon black is coated with a water-insoluble resin including a structural unit represented by the following formula (I): wherein R1 represents a hydrogen atom or a methyl group, Ar represents an unsubstituted or substituted aromatic ring, and n represents an average repeating number and is from 1 to 6.

摘要翻译： 一种水性油墨组合物，其包括根据BET法，比表面积为200m 2 / g以上但小于300m 2 / g的炭黑，有机溶剂，中和剂和水，其中所述炭黑涂布 包含由下式（I）表示的结构单元的水不溶性树脂：其中R1表示氢原子或甲基，Ar表示未取代或取代的芳环，n表示平均重复数，为1〜 6。

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％。