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    • 21. 发明授权
    • Ink set for ink jet recording, method for manufacturing the same, and ink jet recording apparatus
    • 用于喷墨记录的油墨,其制造方法和喷墨记录装置
    • US06886931B2
    • 2005-05-03
    • US10635416
    • 2003-08-06
    • Masahiro Yatake
    • Masahiro Yatake
    • B41J2/01B41M5/00C09D11/00C09D11/322C09D11/324C09D11/328G01D11/00
    • C09D11/40C09D11/322
    • An ink set that affords high print quality and stable discharge, places a small load on the apparatus, has a plurality of colors of ink jet recording ink, allows a substantially uniform amount of each color of ink to be discharged, and yields a recorded image with virtually no difference in the size of the dots between colors, and a method for manufacturing this ink set, and an ink jet recording apparatus. The ink set for ink jet recording of the present invention includes a plurality of colors of ink containing pigments in which the aspect ratio (σ) between the major and minor axes of the pigment particles is 2 or less, and the value of η(1−n(σ−1)), which is calculated from the ink viscosity (η) as measured at a shear rate of 200 S−1 and at 20° C., is within ±5% for said plurality of colors of ink. The method for manufacturing the ink set for ink jet recording of the present invention is such that the value of η(1−n(σ−1)), as measured at a specific shear rate and a specific temperature, is within ±5% for said plurality of colors of ink. The ink jet recording apparatus of the present invention makes use of the above-mentioned ink set for ink jet recording, and employs a head whose drive system is electrostrictive or thermal.
    • 提供高打印质量和稳定放电的油墨组,在装置上施加小负载,具有多种喷墨记录油墨的颜色,允许排出大致均匀的每种颜色的油墨,并产生记录图像 颜色之间的点的大小几乎没有差别,以及这种墨水组的制造方法以及喷墨记录装置。 本发明的喷墨记录用墨水组件包括多种颜料的含有颜料的颜料,其中颜料颗粒的主轴和短轴之间的纵横比(σ)为2或更小,eta(1 -n(σ-1)),其由在200S -1剪切速率和20℃下测量的油墨粘度(η)计算,在±5%内为 所述多种颜色的墨水。 本发明的喷墨记录用油墨组的制造方法使得在特定剪切速度和特定温度下测定的η(1-n(σ-1))的值在±5% 用于所述多种颜色的墨水。 本发明的喷墨记录装置利用上述用于喷墨记录的油墨组,并采用其驱动系统是电致伸缩的或热的头部。
    • 24. 发明授权
    • Aqueous ink composition and method of manufacturing the same
    • 水性油墨组合物及其制造方法
    • US07981947B2
    • 2011-07-19
    • US11906119
    • 2007-09-28
    • Masahiro Yatake
    • Masahiro Yatake
    • C09D11/10
    • C09D11/322C09D11/16
    • An aqueous ink composition comprising: a pigment, having a particle diameter as determined by the light scattering method of no less than 20 nm and no more than 200 nm; and a water dispersible polymer, having a styrene-equivalent number average molecular weight of as determined by gel permeation chromatography no less than 5000 and no more than 200000, having a surface tension of no less than 20 mN/m and no more than 40 mN/m, and wherein the abovementioned pigment is a polymer-coated pigment that is coated with the abovementioned water dispersible polymer, is provided. The water-dispersible polymer may be a copolymer of monomers, mainly comprising acrylic acid and/or methacrylic acid and an acrylate and/or methacrylate. With this ink composition, the printing quality can be improved.
    • 一种水性墨水组合物,其特征在于,含有:通过光散射法测定的粒径不小于20nm且不大于200nm的颜料; 和水分散性聚合物,其具有通过凝胶渗透色谱法测定的苯乙烯当量数均分子量不小于5000且不大于200000,表面张力不小于20mN / m且不大于40mN / m,并且其中上述颜料是涂覆有上述水分散性聚合物的聚合物涂覆的颜料。 水分散性聚合物可以是主要包含丙烯酸和/或甲基丙烯酸和丙烯酸酯和/或甲基丙烯酸酯的单体的共聚物。 利用这种油墨组合物,可以提高打印质量。
    • 29. 发明授权
    • Ink set for ink jet-jet recording, method for ink-jet recording and recorded matter
    • 用于喷墨记录的油墨,用于喷墨记录的方法和记录物
    • US07030174B2
    • 2006-04-18
    • US10148160
    • 2001-09-26
    • Masahiro Yatake
    • Masahiro Yatake
    • C09D11/10C08K9/10C08K3/04
    • C09D11/32C09D11/324C09D11/40
    • An ink set for ink jet recording and an ink jet recording process, which can provide not only high weather resistance but also images having a high printed density by using pigment inks, and have a wide color reproducing range. Also, an ink jet recording process capable of performing text printing at a high printing density and with excellent abrasion resistance. Furthermore, recorded matter having images formed at a high printed density and over a wide color reproducing range, and text printed matter (recorded matter) having a high printed density and being excellent in abrasion resistance The ink set for ink jet recording includes a black ink containing at least “carbon black dispersible in an aqueous medium without a dispersing agent”, at least one color ink containing at least “a colorant enclosing a color pigment with a polymer”, a glycol ether compound and water. Also, an ink jet recording process using the ink set, and recorded matter printed by the recording process.
    • 一种用于喷墨记录的油墨组和喷墨记录方法,其不仅可以提供高耐候性,而且还可以通过使用颜料油墨提供具有高印刷密度的图像,并且具有宽的色彩再现范围。 而且,能够以高印刷密度进行文字印刷并且具有优异的耐磨性的喷墨记录方法。 此外,具有以高打印浓度和宽彩色再现范围形成的图像的记录物以及具有高印刷密度和耐磨性优异的文本印刷物(记录物)。用于喷墨记录的油墨组包括黑色油墨 至少含有“分散在无分散剂的水性介质中的炭黑”,至少含有至少含有“着色颜料与聚合物的着色剂”,二醇醚化合物和水的彩色油墨。 另外,使用油墨组的喷墨记录处理和通过记录处理印刷的记录物。
    • 30. 发明授权
    • Ink composition for ink-jet recording and ink set comprising the same
    • 用于喷墨记录的油墨组合物和包含该油墨组合物的油墨组合物
    • US06846352B2
    • 2005-01-25
    • US09914482
    • 2000-12-28
    • Masahiro Yatake
    • Masahiro Yatake
    • C09D11/00C09D11/322C09D11/324C09D11/326C09D11/328C09D11/38
    • C09D11/38C09D11/40
    • An object of the present invention is to provide an ink composition for ink jet recording, which can produce high-quality prints and has excellent ejection stability, and to provide an ink set using the same. The ink composition for ink jet recording according to the present invention is characterized by comprising at least a compound represented by formula (I) wherein EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m1, m2, m3, n1, n2, and n3 each are independently 0 (zero) or a natural number of not less than 1; EO and PO may be arranged, regardless of order in the parentheses [ ], randomly or as blocks joined together; and m1+m2+m3+n1+n2+n3 is in the range of 0.5 to 10 in terms of number average of a mixture of compounds represented by formula (I), and a colorant, provided that when, in formula (I), all of n1, n2, and n3 are zero, the ink composition further comprises glycerin.
    • 本发明的目的是提供一种能够产生高质量印刷品并且具有优异的喷射稳定性的喷墨记录用油墨组合物,并提供使用该油墨组合物的油墨组合物。 根据本发明的用于喷墨记录的油墨组合物的特征在于至少包含由式(I)表示的化合物,其中EO表示乙烯氧基; PO表示丙烯氧基; m1,m2,m3,n1,n2和n3 各自独立地为0(零)或不小于1的自然数; EO和PO可以随意地或作为连接在一起的块而排列在括号[]中的顺序; m1 + m2 + m3 + n1 + n2 + n3以式(I)表示的化合物的混合物的数均值为0.5〜10的范围和着色剂,条件是当式(I)中, ,n1,n2和n3全部为零,油墨组合物还包含甘油。