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    AQUEOUS INK JET INK COMPOSITION
    4.
    发明申请
    AQUEOUS INK JET INK COMPOSITION 审中-公开

    公开(公告)号：US20180265724A1

    公开(公告)日：2018-09-20

    申请号：US15887400

    申请日：2018-02-02

    申请人： Seiko Epson Corporation

    发明人： Yusuke MIZUTAKI ,  Tomohito NAKANO

    IPC分类号： C09D11/36 ,  C09D11/322

    CPC分类号： C09D11/36 ,  C09D11/322 ,  C09D11/38

    摘要： An aqueous ink jet ink composition contains a pigment in which the half width of the maximum peak or a peak comparable thereto in an X-ray diffraction spectrum is 0.7° or less and the average value of major axis/minor axis length ratios is 1.7 or less; and an organic solvent A which is one or more selected from the group consisting of alkanediols (1) containing an alkyl skeleton having a branched structure and alkylene glycol alkyl ethers (2) containing at least any one of alkylene glycol containing an alkyl skeleton having a branched structure and an ether of an alkyl group having a branched structure, and which has a normal boiling point of 225° C. or more.

    Ink Jet Ink Set, Ink Jet Recording Method, And Ink Jet Recording Apparatus
    6.
    发明申请
    Ink Jet Ink Set, Ink Jet Recording Method, And Ink Jet Recording Apparatus 有权

    公开(公告)号：US20210246324A1

    公开(公告)日：2021-08-12

    申请号：US17162068

    申请日：2021-01-29

    申请人： Seiko Epson Corporation

    发明人： Kiyomi KUMAMOTO ,  Yusuke MIZUTAKI ,  Jun ITO ,  Tomohito NAKANO

    IPC分类号： C09D11/328 ,  C09D11/322 ,  C09B47/06 ,  C08L71/02 ,  B41J2/14

    摘要： An ink jet ink set includes: an aqueous dye ink and an aqueous pigment ink, the ink jet ink set is an ink set to be used for an ink jet recording apparatus which has a first ejection port to eject the aqueous dye ink, a second ejection port to eject the aqueous pigment ink, and a cap to collectively cap the first ejection port and the second ejection port, the cap being composed of the same member as that forming the first ejection port and the second ejection port, the aqueous dye ink contains a dye and a poly(oxyalkylene) alkyl ether, the dye includes a copper phthalocyanine compound having two or less benzene ring structures other than a phthalocyanine skeleton, and the aqueous pigment ink contains a self-dispersible pigment.

    INK SET AND RECORDING METHOD
    10.
    发明申请
    INK SET AND RECORDING METHOD 有权
    墨水记录方法

    公开(公告)号：US20170037272A1

    公开(公告)日：2017-02-09

    申请号：US15211260

    申请日：2016-07-15

    申请人： Seiko Epson Corporation

    发明人： Tomohito NAKANO ,  Yusuke MIZUTAKI ,  Toru MIYAMOTO ,  Tsuyoshi SANO

    IPC分类号： C09D11/54 ,  C09D11/324 ,  C09D11/38 ,  B41J2/01 ,  C09D11/037 ,  C09D11/023 ,  C09D11/107 ,  C09D11/40 ,  C09D11/106

    CPC分类号： C09D11/107 ,  C09D11/106 ,  C09D11/324 ,  C09D11/40

    摘要： An ink set includes a first black ink which includes water, less than 0.3 mass % of carbon black, and a resin, in which a solid content in the ink is 20 times or more a content of the carbon black; a second black ink which includes water, 0.3 mass % or more and less than 0.6 mass % of carbon black, and a resin, in which a solid content in the ink is 10 times or more a content of the carbon black; a third black ink which includes water, 0.6 mass % or more and less than 1.5 mass % of carbon black, and a resin, in which a solid content in the ink is twice or more a content of the carbon black; and a fourth black ink which includes water, 1.5 mass % to 10 mass % of carbon black, and a resin.

    摘要翻译： 油墨组包括第一黑色油墨，其包含小于0.3质量％的炭黑的水和其中油墨中的固体含量为炭黑含量的20倍或更多的树脂; 包含0.3质量％以上且小于0.6质量％的炭黑的水的第二黑色油墨和其中油墨中的固体成分为碳黑含量的10倍以上的树脂; 包含0.6质量％以上且小于1.5质量％的炭黑的水的第三黑色油墨，以及油墨中的固体成分为碳黑含量的2倍以上的树脂; 以及包含水，1.5质量％〜10质量％的炭黑和树脂的第四黑色油墨。