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公开(公告)号：US06378999B1
公开(公告)日：2002-04-30
申请号：US09115767
申请日：1998-07-15
申请人： Takatsugu Doi , Nobuyuki Ichizawa , Atsushi Suzuki , Kyoko Horinouchi , Toshitake Yui , Ken Hashimoto , Kunichi Yamashita
发明人： Takatsugu Doi , Nobuyuki Ichizawa , Atsushi Suzuki , Kyoko Horinouchi , Toshitake Yui , Ken Hashimoto , Kunichi Yamashita
IPC分类号： G01D1100
CPC分类号： C09D11/322
摘要： In an aqueous ink jet recording liquid including at least water, a water-soluble organic solvent and a water-insoluble coloring material, (1) the absolute value of the zeta potential is 20 mV or more, (2) the conductivity is from 0.05 to 0.75 S/m, (3) the number average particle size of dispersed particles is from 15 to 200 nm, and (4) the number of particles having a particle size of 0.5 &mgr;m or more present in one liter is 2.5×1011 or less. Due to the aforementioned, dispersion stability of the coloring material can be maintained in the ink jet recording liquid in which the water-insoluble coloring material is dispersed, and the aqueous ink jet recording liquid is provided, which is excellent regarding stability over long periods of time, causes no ink flow route clogging and prevents kogation in printing, provides a recorded material having excellent rub resistance, printing quality, optical density, water resistance and lightfastness, and can prevent uneven density.
摘要翻译： 在至少包含水，水溶性有机溶剂和水不溶性着色材料的水性喷墨记录液中，（1）ζ电位的绝对值为20mV以上，（2）电导率为0.05 至0.75S / m，（3）分散粒子的数均粒径为15〜200nm，（4）在1升中存在粒径为0.5μm以上的粒子数为2.5×1011以下 。 由于上述原因，可以在其中分散有水不溶性着色材料的喷墨记录液中提供着色材料的分散稳定性，并且提供了水性喷墨记录液体，这对于长时间的稳定性是优异的 时间不会导致油墨流动堵塞并防止印刷中的结垢，提供具有优异的耐擦性，印刷质量，光密度，耐水性和耐光性的记录材料，并且可以防止不均匀的密度。
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公开(公告)号：US6033463A
公开(公告)日：2000-03-07
申请号：US61151
申请日：1998-04-16
CPC分类号： C09D11/40
摘要： A multicolor ink set includes a black ink including at least a water-insoluble coloring material in which a carboxylic acid structure or a carboxylate salt structure is exposed to the surface, water, and a water-soluble organic solvent, and having a surface tension at 20.degree. C. of from 30 to 60 mN/m, and a color ink including at least one or more water-soluble coloring material selected from cyan, magenta and yellow, water, and a water-soluble organic solvent, having a surface tension at 20.degree. C. of from 20 to 50 mN/m and lower than that of the black ink, and 50% by weight or more of the water-soluble coloring material has a solubility in water at 20.degree. C. of 10% by weight or less.
摘要翻译： 多色油墨组包括黑色油墨，其至少包含其中羧酸结构或羧酸盐结构暴露于表面的水不溶性着色材料，水和水溶性有机溶剂，并且具有表面张力 20℃为30〜60mN / m，以及包含至少一种以上选自青色，品红色和黄色的水溶性着色材料，水和水溶性有机溶剂的彩色油墨，其具有表面张力 在20℃下为20〜50mN / m且低于黑色油墨，50重量％以上的水溶性着色材料在20℃的水中的溶解度为10％ 重量以下。
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公开(公告)号：US6051645A
公开(公告)日：2000-04-18
申请号：US843167
申请日：1997-04-14
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/033 , C09D11/037 , C09D11/10 , C09D11/104 , C09D11/106 , C09D11/107 , C09D11/108 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/328 , C09D11/38 , C08K5/04
CPC分类号： C09D11/326
摘要： An ink jet recording ink comprising water, a coloring material, a water-soluble organic solvent and a plurality of dispersants each having a different HLB, and an ink jet recording method using this ink jet recording ink are disclosed. Preferably, given that respective HLBs of n (n.gtoreq.2) kinds of dispersants are such that HLB.sub.1
摘要翻译： 公开了一种包括水，着色材料，水溶性有机溶剂和各种具有不同HLB的多种分散剂的喷墨记录油墨和使用该喷墨记录油墨的喷墨记录方法。 优选地，假定n（n> / = 2）种分散剂的相应HLB使得HLB1
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公开(公告)号：US5900899A
公开(公告)日：1999-05-04
申请号：US859275
申请日：1997-05-20
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/02 , C09D11/033 , C09D11/037 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
CPC分类号： C09D11/40
摘要： The present invention provides an ink unit for use in an ink jet recording which can provide color images with high water resistance, no print bleeding, and an excellent color reproduction of shades, together with rub resistance, and also can render color images on ordinary paper clearly and stably, and an ink jet recording method using the ink unit, wherein the ink, unit which has a black ink and a color ink, comprises pigments, a polymeric dispersant, and water, wherein a black ink contains a black pigment and a first polymeric dispersant including a COOH group or the salt thereof (acrylic acid salts, methacrylic acid salts, and the like) and a color ink contains a chromatic pigment and a second polymeric dispersant including a SO.sub.3 H group or the salt thereof (vinyl sulfonic acid salts, naphthalene sulfonic acid salts, and styrenesulfonic acid salts).
摘要翻译： 本发明提供一种用于喷墨记录的油墨单元，其能够提供具有高耐水性，无印刷渗色性和色调的优异色彩再现以及耐摩擦性的彩色图像，并且还可以在普通纸上呈现彩色图像 以及使用该油墨单元的喷墨记录方法，其中具有黑色油墨和彩色油墨的油墨单元包含颜料，聚合物分散剂和水，其中黑色油墨含有黑色颜料和 包括COOH基团的第一聚合物分散剂或其盐（丙烯酸盐，甲基丙烯酸盐等）和彩色油墨含有有色颜料和包含SO 3 H基团的第二聚合物分散剂或其盐（乙烯基磺酸盐 ，萘磺酸盐和苯乙烯磺酸盐）。
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公开(公告)号：US06245832B1
公开(公告)日：2001-06-12
申请号：US09251481
申请日：1999-02-17
申请人： Atsushi Suzuki , Toshitake Yui , Nobuyuki Ichizawa , Kunichi Yamashita , Takatsugu Doi , Ken Hashimoto
发明人： Atsushi Suzuki , Toshitake Yui , Nobuyuki Ichizawa , Kunichi Yamashita , Takatsugu Doi , Ken Hashimoto
IPC分类号： C09D1110
CPC分类号： C09D11/326 , C09D125/08 , C08L2666/54
摘要： Disclosed is an ink for ink jet recording comprising water, a water-soluble organic solvent, a pigment and a dispersant, wherein the dispersant has a hydrophilic moiety and a hydrophobic moiety and comprises a copolymer obtained by copolymerizing from 40 to 80 mol % of a monomer having an &agr;,&bgr;-ethylenically unsaturated group constituting the hydrophilic moiety and from 20 to 60 mol % of a monomer having an &agr;,&bgr;-ethylenically unsaturated group constituting the hydrophobic moiety.
摘要翻译： 公开了一种用于喷墨记录的油墨，其包括水，水溶性有机溶剂，颜料和分散剂，其中分散剂具有亲水部分和疏水部分，并且包含通过共聚40-80mol％的 具有构成亲水部分的α，β-烯属不饱和基团的单体和20至60mol％的构成疏水部分的具有α，β-烯属不饱和基团的单体。
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6.发明授权Ink jet recording ink, method for producing the same, and ink jet recording method 有权喷墨记录油墨，其制造方法和喷墨记录方法
公开(公告)号：US6153001A
公开(公告)日：2000-11-28
申请号：US210944
申请日：1998-12-15
申请人： Atsushi Suzuki , Toshitake Yui , Nobuyuki Ichizawa , Kunichi Yamashita , Ken Hashimoto , Yoshiro Yamashita
发明人： Atsushi Suzuki , Toshitake Yui , Nobuyuki Ichizawa , Kunichi Yamashita , Ken Hashimoto , Yoshiro Yamashita
CPC分类号： C09D11/322
摘要： Disclosed is an ink jet recording ink comprising water, an aqueous organic solvent, a surfactant and a self-dispersible pigment, wherein the number average particle diameter of dispersed particles of the pigment is from 15 to 100 nm, given that mv is the volumetric average particle diameter of the dispersed particles of said pigment and mn is the number average diameter of the dispersed particles of said pigment, mv/mn is less than or equal to 3, the number of particles having a particle diameter greater than or equal to 0.5 .mu.m among the dispersed particles of the pigment contained in one liter of the ink is less than or equal to 7.5.times.10.sup.10, the surface tension of the ink is less than or equal to 60 mN/m, the electroconductivity of the ink is from 0.05 to 0.4 S/m and the pH of the ink is from 6 to 11. This ink provides a high storage stability and a uniform image having high water-resistance, resolution, and density can be obtained.
摘要翻译： 公开了一种喷墨记录油墨，其包含水，水性有机溶剂，表面活性剂和自分散颜料，其中颜料的分散颗粒的数均粒径为15至100nm，假定mv是体积平均值 所述颜料和mn的分散颗粒的粒径是所述颜料的分散颗粒的数均粒径，mv / mn小于或等于3，粒径大于或等于0.5μm的颗粒数 包含在1升油墨中的颜料的分散颗粒中的m小于或等于7.5×10 10，油墨的表面张力小于或等于60mN / m，油墨的导电性为0.05〜 0.4S / m，油墨的pH为6〜11。这种油墨提供高储存稳定性，并且可以获得具有高耐水性，分辨率和密度的均匀图像。
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公开(公告)号：US5977207A
公开(公告)日：1999-11-02
申请号：US852607
申请日：1997-05-07
IPC分类号： B41M5/00 , B41J2/01 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/328 , C09D11/38 , C03C17/00
CPC分类号： C09D11/324 , C09D11/326
摘要： An ink jet recording ink comprising water, a coloring material such as carbon black, (a) a dispersant containing at least one of a sulfonic acid group, sulfuric ester, and salt thereof, such as a polystyrenesulfonate polymer, and (b) a dispersant above-mentioned dispersants is preferably from 0.1 to 20 parts by weight based on 10 parts by weight of the coloring material. Further, the pH, surface tension, and viscosity of the ink are preferably from 7.0 to 10.0, from 30 to 65 mN/m, and from 1.0 to 10.0 mPa.multidot.s, respectively. Dispersion stability for a long period of time is improved, kogation in the thermal ink jet method is prevented, and excellent fixation on paper is obtained containing a carboxyl group or salt thereof, such as a styrene-maleate polymer, wherein the ratio by weight of (a) to (b) is from 1:5 to 1:100.
摘要翻译： 一种喷墨记录油墨，包括水，着色材料如炭黑，（a）含有磺酸基，硫酸酯和其盐中的至少一种的分散剂，例如聚苯乙烯磺酸盐聚合物，和（b）分散剂 上述分散剂相对于着色材料10重量份优选为0.1〜20重量份。 此外，油墨的pH，表面张力和粘度分别优选为7.0〜10.0，为30〜65mN / m，分别为1.0〜10.0mPax。 改善了长时间的分散稳定性，防止了热喷墨方法的结焦，并且获得了含有羧基或其盐的良好的纸张固色剂，例如苯乙烯 - 马来酸酯聚合物，其中重量比 （a）〜（b）为1:5〜1:100。
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公开(公告)号：US5948155A
公开(公告)日：1999-09-07
申请号：US988007
申请日：1997-12-10
IPC分类号： B41J2/01 , C09D11/033 , C09D11/037 , C09D11/10 , C09D11/102 , C09D11/106 , C09D11/107 , C09D11/108 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/328 , C09D11/38 , C09D11/02
CPC分类号： C09D11/38
摘要： Ink-jet recording ink and an ink-jet recording method, said ink-jet recording ink comprising a water-insoluble coloring material, water, and at least one compound selected from the group consisting of a compound represented by formula (I) and polyglycerin: ##STR1## wherein R represents H or an alkyl group having 1 to 5 carbon atoms; m, n, o and p are all integers; and m+n+o+p is 0 to 200.
摘要翻译： 喷墨记录油墨和喷墨记录方法，所述喷墨记录油墨包含水不溶性着色材料，水和选自由式（I）表示的化合物和聚甘油的至少一种化合物 其中R表示H或碳原子数为1〜5的烷基。 m，n，o和p都是整数; m + n + o + p为0〜200。
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公开(公告)号：US06572227B2
公开(公告)日：2003-06-03
申请号：US10014043
申请日：2001-12-11
申请人： Kunichi Yamashita , Atsushi Suzuki , Toshitake Yui
发明人： Kunichi Yamashita , Atsushi Suzuki , Toshitake Yui
IPC分类号： B41J201
CPC分类号： C09D11/322
摘要： The ink-jet recording method and apparatus use an ink containing at least, a pigment self-dispersible in water, a water soluble organic solvent and water, and carry out printing with an amount of the ink of 20 ng or less per one droplet, and the ink satisfies the following conditions: a dynamic contact angle upon dropping 4 &mgr;L of the ink on plain paper is about 60° or less after one second from dropping; a volume average particle diameter mv of dispersed particles of the pigment in the ink is about from 150 to 250 nm; and in the dispersed particles, a number of particles having a particle diameter of from 0.5 to 5 &mgr;m is about from 25×104 to 2,000×104 per microliter, and a number of particles having a particle diameter of 5 &mgr;m or more is about 100 per microliter or less.
摘要翻译： 喷墨记录方法和装置使用至少含有在水中可分散的颜料，水溶性有机溶剂和水的油墨，并且每一滴的油墨量为20ng以下的油墨进行印刷， 并且油墨满足以下条件：在普通纸上滴下4μl油墨后的动态接触角在滴下1秒后为约60°以下; 油墨中颜料的分散颗粒的体积平均粒径mv约为150-250nm; 并且在分散颗粒中，许多粒径为0.5-5微米的颗粒约为每微升25×104至2,000×104，粒径为5微米或更大的颗粒数为约100微升或约 减。
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10.发明授权Ink-jet recording method and ink-jet recording apparatus for displacing recording head from printing position when printing is being stopped 失效喷墨记录方法和喷墨记录装置，用于在打印停止时从记录位置移位记录头公开(公告)号：US06902250B2
公开(公告)日：2005-06-07
申请号：US10446815
申请日：2003-05-29
申请人： Kunichi Yamashita , Atsushi Suzuki , Toshitake Yui
发明人： Kunichi Yamashita , Atsushi Suzuki , Toshitake Yui
CPC分类号： B41J2/165
摘要： The present invention provides an ink-jet recording method adopting an ink-jet recording apparatus including a printer head, which accommodates one or more kinds of ink and has a nozzle face on which one or more nozzles are provided, wherein the printer head is tilted when printing is being stopped so that an axis intersecting with the nozzle face at a right angle is displaced by 3 or more degrees from a direction of the axis when printing is being conducted, and an ink-jet recording apparatus used in the method.
摘要翻译： 本发明提供一种采用喷墨记录装置的喷墨记录方法，该喷墨记录装置包括一个容纳一种或多种油墨并具有喷嘴面的打印机头，喷嘴面设有一个或多个喷嘴，其中打印头倾斜 当打印被停止时，使得与喷嘴面成直角相交的轴线在打印时被从轴的方向偏移了3度或更多度，并且在该方法中使用了喷墨记录装置。
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