公开(公告)号：US07300145B2

公开(公告)日：2007-11-27

申请号：US11202528

申请日：2005-08-12

申请人： Takatsugu Doi

发明人： Takatsugu Doi

IPC分类号： G01D11/00

CPC分类号： C09D11/40 ,  C09D11/30 ,  C09D11/54

摘要： The invention provides a treatment liquid for ink jet, which includes at least an organic acid having a pKa value of 4.5 or less, a nonionic substance, and water, wherein: (I) the treatment liquid has a pH value of 1.5 to 5.5, (II) the nonionic substance has a weight-average molecular weight of 300 or more but less than 5,000, and (III) a difference in solubility parameter (SP value) between a fundamental skeleton part of the organic acid excluding its acid group and the nonionic substance is 0.01 to 0.75.

摘要翻译： 本发明提供一种喷墨处理液，其至少包括pKa值为4.5以下的有机酸，非离子物质和水，其中：（I）处理液的pH值为1.5〜5.5， （II）所述非离子物质的重均分子量为300以上且小于5000，（III）除了酸性基团以外的有机酸的基本骨架部分与所述酸性基团之间的溶解度参数（SP值） 非离子性物质为0.01〜0.75。

公开(公告)号：US07270699B2

公开(公告)日：2007-09-18

申请号：US10930866

申请日：2004-09-01

申请人： Takatsugu Doi

发明人： Takatsugu Doi

IPC分类号： C09D11/02 ,  B41J2/01

CPC分类号： C09D11/40

摘要： The invention provides an ink set for ink-jet recording that is able to form an image having a sufficient optical density and causing no feathering and intercolor bleed within a short period of time while being excellent in reliability of the maintenance unit. The ink set comprises at least a liquid (a) containing a colorant, water soluble solvent and water; a liquid (b) containing a pH adjusting agent, water soluble solvent and water; and a liquid (c). The ink set satisfies any one of the conditions in the first embodiment: (i) the colorant is anionic, (ii) the liquid (b) has a pH of not higher than 6.5, (iii) the liquid (c) has a pH of not lower than 8.0, and (iv) the mixed liquid of the liquid (b) and the liquid (c) in a mass ratio of 1:1 has a pH of not lower than 7; or the second embodiment: (i) the colorant is cationic, (ii) the liquid (b) has a pH of not lower than 8.5, (iii) the liquid (c) has a pH of not higher than 6.0, and (iv) the mixed liquid of the liquid (b) and the liquid (c) in a mass ratio of 1:1 has a pH of not higher than 7.

摘要翻译： 本发明提供了一种喷墨记录用油墨组件，其能够形成具有足够的光密度的图像，并且在维护单元的可靠性优异的同时不会在短时间内产生羽化和色差。 油墨组至少包含含有着色剂，水溶性溶剂和水的液体（a）; 含有pH调节剂，水溶性溶剂和水的液体（b） 和液体（c）。 油墨组满足第一实施方案中的任一条件：（i）着色剂为阴离子型，（ii）液体（b）的pH值不高于6.5，（iii）液体（c）的pH 不低于8.0，（iv）液体（b）和液体（c）的混合液的质量比为1:1，其pH值不低于7; 或第二实施方案：（i）着色剂为阳离子型，（ii）液体（b）的pH值不低于8.5，（iii）液体（c）的pH值不高于6.0，（iv ）液体（b）和液体（c）的混合液体的质量比为1:1，其pH值不高于7。

公开(公告)号：US06755508B2

公开(公告)日：2004-06-29

申请号：US10352158

申请日：2003-01-28

申请人： Takatsugu Doi

发明人： Takatsugu Doi

IPC分类号： B41J221

CPC分类号： B41J2/2114

摘要： Provided is an image forming method excellent in reduction in color unevenness, optical density unevenness, bleeding, inter-color bleeding, a drying time, caused by the printing order; and an image forming apparatus excellent in adaptability to a higher speed. The image forming method and the image forming apparatus are characterized by use of an ink-set, wherein an average value of rates of change over time in contact angle of the respective inks on plain paper is from 1.25 to 3.5 degrees/sec, a rate of change over time in contact angle of each ink on plain paper is less than 4.5 degrees/sec, a rate of change over time in contact angle of a mixed liquid of each ink and the liquid composition on plain paper is from 5 to 10 degrees/sec and the number of coarse particles each of 5 &mgr;m or more in diameter in the mixed liquid is 1×104 particles/&mgr;L or more.

摘要翻译： 提供了一种成像方法，其由于印刷顺序而导致的颜色不均匀性，光学浓度不均匀性，渗色性，颜色间渗色，干燥时间的降低优异; 以及对较高速度的适应性优异的图像形成装置。 图像形成方法和图像形成装置的特征在于使用油墨组，其中在普通纸上的各种油墨的接触角随时间的变化率的平均值为1.25至3.5度/秒，速率 每个墨水在普通纸上的接触角随时间的变化小于4.5度/秒，每种墨水和液体组合物在普通纸上的混合液体的接触角随时间的变化率为5至10度 /秒，混合液体中直径为5μm以上的粗粒子数为1×10 4个/μm以上。

公开(公告)号：US08673526B2

公开(公告)日：2014-03-18

申请号：US13197399

申请日：2011-08-03

申请人： Kenya Sonobe ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto ,  Yuko Iwadate

发明人： Kenya Sonobe ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto ,  Yuko Iwadate

IPC分类号： G03G15/04 ,  G03G15/00

CPC分类号： G03G15/751 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/075 ,  G03G5/076 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

摘要： Provided is an electrophotographic photoreceptor including a substrate and an outermost layer containing a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transporting skeleton in the same molecule, and at least one chain transfer agent selected from a compound having 4 or more primary thiol groups and a compound having 2 or more secondary thiol groups.

摘要翻译： 本发明提供一种电子照相感光体，其包含基材和最外层，其含有含有在同一分子中具有链可聚合官能团和电荷输送性骨架的化合物的组合物的固化膜，以及至少一种链转移剂，所述链转移剂选自具有 4个或更多个伯硫醇基团和具有2个或更多个仲硫醇基团的化合物。

公开(公告)号：US08663883B2

公开(公告)日：2014-03-04

申请号：US13368791

申请日：2012-02-08

申请人： Wataru Yamada ,  Katsumi Nukada ,  Takatsugu Doi ,  Yuko Iwadate ,  Tomoya Sasaki

发明人： Wataru Yamada ,  Katsumi Nukada ,  Takatsugu Doi ,  Yuko Iwadate ,  Tomoya Sasaki

IPC分类号： G03G5/07

CPC分类号： H01L51/0043 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/071 ,  G03G2215/00957 ,  H01L51/0035 ,  H01L51/004 ,  H01L51/0042 ,  H01L51/424

摘要： A charge-transporting film includes a polymer of a compound represented by Formula (I): (Ra)n-Fa-Xa-Fa′-(Ra′)n′  (I) wherein Fa and Fa′ independently represent a charge-transporting sub-unit including an aromatic ring, Ra and Ra′ independently represent a —CH═CH2 directly bonded to the aromatic ring of the charge-transporting sub-unit or a group represented by Formula (a), Xa represents an alkylene group or a bivalent group in which an alkylene group and a group selected from —O—, —S—, and ester are combined, n and n′ independently represent an integer of 0 or more (wherein n and n′ are not simultaneously 0), and L represents a linking group which is represented by *—(CH2)n″—O—CH2— and which is bonded to the aromatic ring of the charge-transporting sub-unit, wherein n″ is 1 or 2 and the linking group is bonded to the aromatic, ring of the charge-transporting sub-unit with *.

摘要翻译： 电荷传输膜包括由式（I）表示的化合物的聚合物：（Ra）n-Fa-Xa-Fa' - （Ra'）n'（I）其中Fa和Fa'独立地表示电荷传输 包含芳环的亚单元Ra和Ra'独立地表示与电荷输送子单元的芳香环直接结合的-CH = CH 2或式（a）表示的基团，Xa表示亚烷基或 其中亚烷基和选自-O-，-S-和酯的基团的二价基团组合，n和n'独立地表示0以上的整数（其中n和n'不同时为0），以及 L表示由* - （CH 2）n“-O-CH 2 - 表示的连接基团，其键合到电荷输送子单元的芳香环，其中n”为1或2，并且连接 基团与*结合到电荷输送子单元的芳香环上。

公开(公告)号：US08609310B2

公开(公告)日：2013-12-17

申请号：US12541521

申请日：2009-08-14

申请人： Hitoshi Takimoto ,  Akira Hirano ,  Takatsugu Doi ,  Wataru Yamada ,  Katsumi Nukada

发明人： Hitoshi Takimoto ,  Akira Hirano ,  Takatsugu Doi ,  Wataru Yamada ,  Katsumi Nukada

IPC分类号： G03G15/00

CPC分类号： G03G5/14791 ,  G03G5/0575 ,  G03G5/0578 ,  G03G5/0614 ,  G03G5/14769 ,  G03G5/14773

摘要： An electrophotographic photoreceptor has at least an electroconductive substrate, and a photosensitive layer formed on or above the electroconductive substrate, wherein an outermost layer of the photoreceptor is a cured membrane of a composition containing at least one compound (a) having in a single molecule thereof a charge transporting skeleton and a chain polymerizable functional group, and at least one thermopolymerizable or photopolymerizable silicone polymeric radical polymerization initiator (b).

摘要翻译： 电子照相感光体至少具有导电性基材和形成在导电性基材上或之上的感光层，其中感光体的最外层为含有至少一种在单分子中的化合物（a）的组合物的固化膜 电荷输送骨架和链可聚合官能团，以及至少一种可热聚合或可光聚合的硅氧烷聚合物自由基聚合引发剂（b）。

公开(公告)号：US08524433B2

公开(公告)日：2013-09-03

申请号：US12917697

申请日：2010-11-02

申请人： Takatsugu Doi ,  Wataru Yamada ,  Yuko Iwadate ,  Katsumi Nukada

发明人： Takatsugu Doi ,  Wataru Yamada ,  Yuko Iwadate ,  Katsumi Nukada

IPC分类号： G03G5/04

CPC分类号： G03G21/18 ,  G03G5/14734 ,  G03G5/1476 ,  G03G5/14769

摘要： An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer formed on the conductive substrate and containing a binder resin and a copolymer derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, the copolymer having a side chain with 4 or more carbon atoms in a constitutional unit derived from the reactive monomer having no charge transport property.

摘要翻译： 电子照相感光体包括导电性基材和形成在导电性基材上的最外表面层，含有粘合剂树脂和衍生自具有电荷输送性的反应性单体的共聚物和不具有电荷输送性的反应性单体，该共聚物具有侧链 在不具有电荷传输性的反应性单体得到的结构单元中具有4个以上的碳原子。

公开(公告)号：US08273510B2

公开(公告)日：2012-09-25

申请号：US12877671

申请日：2010-09-08

申请人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

发明人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

IPC分类号： G03G5/00

CPC分类号： G03G5/14756 ,  G03G5/0546 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14734

摘要： The present invention provides an electrophotographic photoreceptor including a photosensitive layer on a conductive substrate, an outermost layer of the electrophotographic photoreceptor including a cured film of a composition which includes at least one charge transporting compound (a) having a charge transporting skeleton and at least two structural units represented by R—O—CO—CR′═CH—R″ in the same molecule, and at least one polycarbonate resin; a ratio (IA/IC) of an absorption peak intensity (IA) resulting from stretching vibration of a carbonyl group originating from the structural unit represented by R—O—CO—CR′═CH—R″ of the charge transporting compound (a) to an absorption peak intensity (IC) resulting from stretching vibration of a carbonyl group originating from the polycarbonate resin in an IR absorption spectrum of the outermost layer being from about 0.5 to about 10, and a width at half maximum of the absorption peak of the absorption peak intensity (IA) being about 25 cm−1 or more.

摘要翻译： 本发明提供了一种电子照相感光体，其包括在导电性基材上的感光层，电子照相感光体的最外层，具有包含至少一种具有电荷输送性骨架的电荷输送性化合物（a）和至少两种 在同一分子中由R-O-CO-CR' = CH-R表示的结构单元和至少一种聚碳酸酯树脂; 由电荷输送性化合物的R-O-CO-CR' = CH-R“表示的结构单元的羰基的伸缩振动引起的吸收峰强度（IA）的比（IA / IC） ）与最外层的红外吸收光谱中来自聚碳酸酯树脂的羰基的伸缩振动产生的吸收峰强度（IC）为约0.5〜约10，吸收峰的峰值宽度为 吸收峰强度（IA）为约25cm -1以上。

公开(公告)号：US07367666B2

公开(公告)日：2008-05-06

申请号：US11130868

申请日：2005-05-17

申请人： Takatsugu Doi

发明人： Takatsugu Doi

IPC分类号： C09D11/00

CPC分类号： B41J3/60

摘要： An inkjet recording method which prints out by ejecting onto a recording medium an ink set for inkjet use, wherein the ink set includes at least: a first liquid containing at least a coloring material, a water soluble solvent and water; a second liquid containing at least a coagulant, a water soluble solvent and water; and a third liquid containing at least a coagulant, a water soluble solvent and water; wherein, (A) printing modes include a single sided printing mode and a double sided printing mode, (B) when the single sided printing mode is selected printing is carried out by ejecting the first liquid and the second liquid, (C) when the double sided printing mode is selected printing is carried out by ejecting the first liquid and the third liquid, (D) the relationship 0.01

摘要翻译： 一种喷墨记录方法，其通过将记录介质喷射到用于喷墨用途的油墨组上而打印出，其中所述油墨组至少包括：至少含有着色材料，水溶性溶剂和水的第一液体; 至少含有凝结剂，水溶性溶剂和水的第二液体; 和至少含有凝结剂，水溶性溶剂和水的第三液体; 其中，（A）打印模式包括单面打印模式和双面打印模式，（B）当选择单面打印模式时，通过喷射第一液体和第二液体进行打印;（C）当 选择双面打印模式，通过喷射第一液体和第三液体进行印刷，（D）0.01 <（P> 1-3 /（P < / SUB>）<1基本上满足，其中（P＆lt; 1-2＆gt;）表示混合液体的大小为1μm或更大的粗颗粒的数量，以每单位表面积的涂布比 当选择第一液体和第二液体的单面打印时，其中（P 1-3-3）表示混合液体的大小为1μm或更大的粗颗粒的数量，混合 在选择双面打印时的每单位表面积的施加比率中的第一液体和第三液体。 此外，描述了使用该记录方法的装置。

公开(公告)号：US20060197814A1

公开(公告)日：2006-09-07

申请号：US11190483

申请日：2005-07-27

申请人： Takatsugu Doi

发明人： Takatsugu Doi

IPC分类号： G01D11/00 ,  C09D11/02

CPC分类号： C09D11/30 ,  B41M5/0017 ,  C09D11/40 ,  C09D11/54

摘要： An inkjet ink containing at least a pigment, a water-soluble solvent, at least two types of surfactant, and water, wherein: (I) at least one type of nonionic surfactant, and at least one of an anionic surfactant and/or an amphoteric surfactant are contained as the surfactants; (II) the nonionic surfactant has a weight-average molecular weight of 1000 or less and an SP value of 9.2 to 13, and the total number of carbon atoms and oxygen atoms in a unit constituting a hydrophilic group portion is 10 or more in the nonionic surfactant; and (III) the at least one of an anionic surfactant and/or an amphoteric surfactant has a weight-average molecular weight of from 175 to 1500.

摘要翻译： 含有至少一种颜料，水溶性溶剂，至少两种表面活性剂和水的喷墨油墨，其中：（I）至少一种非离子表面活性剂和至少一种阴离子表面活性剂和/或 作为表面活性剂含有两性表面活性剂; （II）中，非离子表面活性剂的重均分子量为1000以下，SP值为9.2〜13，构成亲水性基团的单元中的碳原子数和氧原子总数为10个以上 非离子表面活性剂 和（III）阴离子表面活性剂和/或两性表面活性剂中的至少一种的重均分子量为175〜1500。