公开(公告)号：US08757786B2

公开(公告)日：2014-06-24

申请号：US13359500

申请日：2012-01-27

申请人： Misato Sasada ,  Yasufumi Ooishi

发明人： Misato Sasada ,  Yasufumi Ooishi

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

CPC分类号： B41J2/01 ,  B41J2/2107 ,  B41J2/2114 ,  B41J11/002 ,  B41M5/0017 ,  B41M7/0081 ,  C09D11/101 ,  C09D11/322 ,  C09D11/326 ,  C09D11/40 ,  C09D11/54

摘要： An ink set is disclosed which includes a yellow ink composition containing a resin-coated yellow pigment in which a yellow pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a magenta ink composition containing a resin-coated magenta pigment in which a magenta pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a cyan ink composition containing a resin-coated cyan pigment in which a cyan pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; and a treatment liquid containing an aggregating agent for aggregating components in the ink compositions.

摘要翻译： 公开了一种油墨组，其包括黄色油墨组合物，其中含有黄色颜料涂覆有交联的水溶性树脂，水溶性可聚合化合物和水的树脂涂覆的黄色颜料; 含有被交联的水溶性树脂，水溶性聚合性化合物和水包覆品红色颜料的树脂涂层品红色颜料的洋红色油墨组合物; 含有青色颜料被交联的水溶性树脂，水溶性可聚合化合物和水涂覆的树脂涂覆的青色颜料的青色墨水组合物; 以及含有用于在油墨组合物中聚集组分的聚集剂的处理液。

公开(公告)号：US08733918B2

公开(公告)日：2014-05-27

申请号：US13072796

申请日：2011-03-28

申请人： Misato Sasada ,  Minoru Sakai ,  Kiyoshi Irita ,  Jun Matsumoto

发明人： Misato Sasada ,  Minoru Sakai ,  Kiyoshi Irita ,  Jun Matsumoto

IPC分类号： B41J2/00

CPC分类号： B41M5/506 ,  B41M5/0023 ,  B41M5/52 ,  B41M5/5218 ,  B41M5/5227 ,  B41M7/0072 ,  B41M7/0081 ,  C09D11/101 ,  C09D11/30

摘要： The present invention provides an image forming method including ejecting an ink composition, using an ink jet apparatus, onto a recording medium thereby forming an image, the ink composition comprising a pigment, a water-soluble polymerizable monomer which is polymerized by actinic energy rays, and water, and the recording medium being composed of a base paper, a first layer including a binder, and a second layer including a white pigment and an acidic substance, which are disposed in this order, wherein a surface of the first layer is disposed on the base paper and has a Cobb water absorption capacity of 2.0 g/m2 or less at a contact time of 120 seconds as measured by a water-absorbing capacity test according to JIS P8140, a surface of the second layer has a water absorption of from 2 ml/m2 to 8 ml/m2 at a contact time of 0.5 seconds as measured by the Bristow's method, and the surface of the second layer has a pH of 5.5 or less.

摘要翻译： 本发明提供了一种图像形成方法，包括使用喷墨装置将油墨组合物喷射到记录介质上，从而形成图像，该油墨组合物包含颜料，通过光化能射线聚合的水溶性可聚合单体， 和水，并且所述记录介质由原纸，包括粘合剂的第一层和包括白色颜料和酸性物质的第二层构成，其中所述第一层的表面被设置 在原纸上通过根据JIS P8140的吸水能力试验测定的接触时间为120秒时的Cobb吸水量为2.0g / m 2以下，第二层的表面具有 通过Bristow法测定的接触时间为0.5秒时，从2ml / m 2至8ml / m 2，第二层的表面的pH为5.5以下。

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：US08733919B2

公开(公告)日：2014-05-27

申请号：US13215259

申请日：2011-08-23

申请人： Reiko Fukagawa ,  Misato Sasada

发明人： Reiko Fukagawa ,  Misato Sasada

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

CPC分类号： B41J2/01 ,  B41J2/2107 ,  B41J11/002 ,  C09D11/101 ,  C09D11/326

摘要： An active energy ray-curable ink composition is disclosed which includes a colorant, a dispersant, a polymerizable compound and water. The dispersant includes a hydrophobic repeating unit including a residue obtained by removing one hydrogen atom from a compound selected from the group consisting of a benzene ring-containing compound, an aromatic hydrocarbon ring-condensed polycyclic compound, a heteromonocyclic compound and a hetero ring-condensed heteropolycyclic compound; a hydrophilic repeating unit including an ionic group; and a hydrophilic repeating unit including a nonionic group.

摘要翻译： 公开了一种活性能量射线固化油墨组合物，其包括着色剂，分散剂，可聚合化合物和水。 分散剂包括疏水性重复单元，其包括通过从选自苯环的化合物，芳族烃环稠合的多环化合物，异单环化合物和杂环稠合的化合物中除去一个氢原子而获得的残基 杂多环化合物; 包括离子基团的亲水性重复单元; 和包含非离子基团的亲水性重复单元。

公开(公告)号：US08449097B2

公开(公告)日：2013-05-28

申请号：US12889424

申请日：2010-09-24

申请人： Naoko Nishimura ,  Misato Sasada ,  Tomoko Kuwabara

发明人： Naoko Nishimura ,  Misato Sasada ,  Tomoko Kuwabara

IPC分类号： B41J2/01

CPC分类号： C09D11/54 ,  C08F220/06 ,  C08F220/14 ,  C08F2220/301 ,  C09D7/45 ,  C09D11/326 ,  C09D17/003

摘要： An aqueous pigment dispersion including: (A) a pigment; (B) a dispersion polymer having a neutralization degree of from 50% to 90% and a solubility of from 0.2 g to 0.8 g per 5 ml of water (25° C.), and containing an acidic group and a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a content ratio of the aromatic ring being from 10% by mass to less than 20% by mass based on a total mass of the polymer; and (C) a water-based liquid medium.

摘要翻译： 一种水性颜料分散体，包括：（A）颜料; （B）中和度为50〜90％，溶解度为0.2g〜0.8g / 5ml水（25℃）的分散体聚合物，含有酸性基团和疏水性结构单元（ a）具有通过连接基团连接到主链中包含的原子的芳香环，芳族环的含量比基于聚合物的总质量为10质量％至小于20质量％; 和（C）水性液体介质。

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。