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    LIQUID DEVELOPER
    3.
    发明公开
    LIQUID DEVELOPER 审中-公开

    公开(公告)号：EP3104225A4

    公开(公告)日：2017-10-18

    申请号：EP15746595

    申请日：2015-02-04

    申请人： SAKATA INX CORP

    发明人： OKAMOTO KATSUTOSHI ,  MAEDA HIROHITO ,  INOUE TOMOAKI ,  WATANABE YUYA

    IPC分类号： G03G9/12 ,  G03G9/125 ,  G03G9/13

    CPC分类号： G03G9/125 ,  G03G9/13 ,  G03G9/131 ,  G03G9/135

    摘要： An object of the present invention is to provide a liquid developer for electrophotography or electrostatic recording, wherein such liquid developer achieves good electrophoretic migration property as well as good transferability onto a base material for printing. As a means for achieving the aforementioned object, the present invention provides a liquid developer obtained by dispersing, in an insulating solvent, colored resin particles obtained according to the coacervation method from at least a pigment, pigment dispersion agent and binder resin, wherein the insulating solvent has been mixed in such a way that aliphatic hydrocarbon solvent having 11 to 12 carbon atoms accounts for 8.0 to 20.0 percent by mass, and aliphatic hydrocarbon solvent having 17 to 30 carbon atoms accounts for 2.0 to 45.0 percent by mass, and a total of these aliphatic hydrocarbon solvents having 11 to 30 carbon atoms accounts for 99 percent by mass or more, relative to the total mass of insulating solvent, and also in such a way that the viscosity of the insulating solvent at 25°C becomes 2.0 to 10.0 mPa€¢s.

    CLEAR INK COMPOSITION FOR UV-LED CURABLE INKJET PRINTING
    4.
    发明公开
    CLEAR INK COMPOSITION FOR UV-LED CURABLE INKJET PRINTING 审中-公开
    用于UV-LED固化喷墨打印的清晰墨水组合物

    公开(公告)号：EP3170873A1

    公开(公告)日：2017-05-24

    申请号：EP15822064.0

    申请日：2015-07-02

    申请人： Sakata INX Corp.

    发明人： HIROSE, Tadashi ,  FUKE, Kazuhiro

    IPC分类号： C09D11/38 ,  B41J2/01 ,  B41M5/00

    摘要： An UV-LED curable clear ink composition for ink jet printing comprising 44 to 80% by mass of a photo-polymerizable mono-functional monomer, 15 to 50% by mass of a photo-polymerizable poly-functional monomer and 5 to 15% by mass of an acylphosphine photo-polymerization initiator, and having a viscosity at 25°C of 1 to 50 mPa · s, wherein the photo-polymerizable mono-functional monomer and the photo-polymerizable poly-functional monomer comprise a photo-polymerizable monomer having at least one of functional groups including an amide group and an amino group, and the photo-polymerizable monomer is contained in an amount of 5 to 20% by mass based on a total amount of photo-polymerizable mono-functional monomer and photo-polymerizable poly-functional monomer.

    摘要翻译： 一种用于喷墨印刷的UV-LED可固化透明油墨组合物，其包含44-80质量％的可光聚合的单官能单体，15-50质量％的可光聚合的多官能单体和5-15质量％ 质量的酰基膦光聚合引发剂，并且在25℃下的粘度为1至50mPa·s，其中所述可光聚合的单官能单体和可光聚合的多官能单体包含光聚合性单体， 包含酰胺基和氨基的官能团中的至少一个，并且光聚合性单体的含量为可光聚合单官能单体和可光聚合的全部量的5至20质量％ 多官能单体。

    ACTIVE ENERGY RAY-CURABLE OFFSET PRINTING INK COMPOSITION
    6.
    发明公开
    ACTIVE ENERGY RAY-CURABLE OFFSET PRINTING INK COMPOSITION 审中-公开
    活性能量射线固化偏心印刷油墨组合物

    公开(公告)号：EP2975091A1

    公开(公告)日：2016-01-20

    申请号：EP14762542.0

    申请日：2014-02-13

    申请人： Sakata INX Corp.

    发明人： KANEKO Toru ,  HISHINUMA Keishiro ,  OMI Naoki ,  YAMAMOTO Amane ,  SHIMOYAMA Kouhei

    IPC分类号： C09D11/02

    CPC分类号： C09D11/107 ,  C08K3/34 ,  C08K5/27 ,  C09D11/037 ,  C09D11/101

    摘要： Provided is an active energy ray-curable offset printing ink composition that can prevent occurrence of a slurring phenomenon. The active energy ray-curable offset printing ink composition includes a compound having an ethylenically unsaturated bond, a photopolymerization initiator, a colorant, and an extender pigment. The extender pigment has a median diameter (d50) of 1.0 to 2.0 µm measured by laser diffractometry. Printing with a reduced slurring phenomenon can be achieved using such an active energy ray-curable offset printing ink composition.

    摘要翻译： 本发明提供可以防止发生滑溜现象的活性能量射线固化型胶版印刷油墨组合物。 活性能量射线固化胶版印刷油墨组合物包含具有烯键式不饱和键的化合物，光聚合引发剂，着色剂和体质颜料。 体质颜料的通过激光衍射法测量的中值粒径（d50）为1.0〜2.0μm。 使用这种活性能量射线可固化胶版印刷油墨组合物可以实现减少浆液现象的印刷。

    ORGANIC SOLVENT-BASED CONCENTRATED INK COMPOSITION FOR GRAVURE PRINTING AND GRAVURE PRINTING METHOD
    7.
    发明公开
    ORGANIC SOLVENT-BASED CONCENTRATED INK COMPOSITION FOR GRAVURE PRINTING AND GRAVURE PRINTING METHOD 审中-公开
    ON基于有机溶剂的浓缩油墨组合物印刷和深深的印刷

    公开(公告)号：EP2843012A4

    公开(公告)日：2015-11-25

    申请号：EP13781692

    申请日：2013-04-26

    申请人： SAKATA INX CORP

    发明人： INOUE TAKAHIKO ,  OGAWA TORU ,  HARADA JUNICHI

    IPC分类号： B41M1/10 ,  B41F13/11 ,  B41M1/30 ,  C09D7/12 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102

    CPC分类号： C09D11/102 ,  B41F13/11 ,  B41M1/10 ,  B41M1/30 ,  C09D7/1233 ,  C09D7/63 ,  C09D11/033 ,  C09D11/037

    摘要： The present invention provides an organic solvent-based concentrated ink composition for gravure printing which shows good print density, printability, and laminatability even in gravure printing using a shallow cylinder. The organic solvent-based concentrated ink composition for gravure printing mainly includes a pigment; binder resin; and an organic solvent. The pigment includes at least one of an organic pigment and an inorganic pigment. The binder resin includes polyurethane resin. A solution obtainable by dissolving 30 parts by mass of the polyurethane resin in 70 parts by mass of the organic solvent has a viscosity of 100 to 500 mPa·s/25°C. The concentrated ink composition has a viscosity of 10 to 1000 mPa·s/25°C and has a viscosity in gravure printing of 12 to 23 s/25°C in terms of the efflux time from a Zahn cup #3. The concentrated ink composition satisfies one of the following conditions 1 to 3: Condition 1: the pigment being an organic pigment; the amount of the organic pigment being 5 to 20% by mass and the amount of the polyurethane resin being 3 to 20% by mass each in the organic solvent-based concentrated ink composition for gravure printing; and the amount of the polyurethane resin being 60 to 200 parts by mass for 100 parts by mass of the organic pigment; Condition 2: the pigment being an inorganic pigment; the amount of the inorganic pigment being 5 to 70% by mass and the amount of the polyurethane resin being 3 to 20% by mass each in the organic solvent-based concentrated ink composition for gravure printing; and the amount of the polyurethane resin being 5 to 60 parts by mass for 100 parts by mass of the inorganic pigment; and Condition 3: the pigment including both an organic pigment and an inorganic pigment; the amount of the organic pigment being 5 to 20% by mass in the organic solvent-based concentrated ink composition for gravure printing; the ratio by mass ((mass of inorganic pigment)/(mass of organic pigment)) of the organic pigment to the inorganic pigment satisfying 0

    INK SET AND PRINTED MATTER
    8.
    发明公开
    INK SET AND PRINTED MATTER 有权
    TINTENSATZ UND DRUCKSACHE

    公开(公告)号：EP2913370A1

    公开(公告)日：2015-09-02

    申请号：EP13849113.9

    申请日：2013-10-24

    申请人： Sakata INX Corp.

    发明人： MIZUTANI Shinya ,  HIROSE Tadashi ,  MYOSE Takuya

    IPC分类号： C09D11/00 ,  B41J2/01 ,  B41M5/00

    CPC分类号： C09D11/40 ,  C09D11/101 ,  C09D11/107 ,  C09D11/322

    摘要： The present invention aims to provide an ink set which has excellent curability under LED light, provides a printed material without coloration or fading due to a photoinitiator, prevents color mixing in image formation, has good adhesion to polyvinyl chloride-based sheets, sufficiently prevent cockling, and has very low viscosity as well as a high flash point and low skin irritation. An ink set including: at least two selected from the group consisting of a yellow ink composition, a magenta ink composition, a cyan ink composition, a black ink composition, a white ink composition, and a clear ink composition. Each ink composition has a flash point of 70°C or higher and a viscosity at 25°C of 5 mPa·s or less. The magenta, cyan, and clear ink compositions each contain 4 to 40% by mass of vinyloxyethoxyethyl acrylate, 10 to 65% by mass of benzyl acrylate, 5 to 35% by mass of N-vinylcaprolactam, and an acylphosphine oxide photoinitiator, and are each free of a thioxanthone photoinitiator. The yellow ink composition contains 4 to 40% by mass of vinyloxyethoxyethyl acrylate, 10 to 65% by mass of benzyl acrylate, 5 to 35% by mass of N-vinylcaprolactam, and an acylphosphine oxide photoinitiator. The black ink composition contains 4 to 40% by mass of vinyloxyethoxyethyl acrylate, 10 to 65% by mass of benzyl acrylate, 5 to 35% by mass of N-vinylcaprolactam, a thioxanthone photoinitiator, and an acylphosphine oxide photoinitiator. The white ink composition contains 4 to 40% by mass of vinyloxyethoxyethyl acrylate, 10 to 65% by mass of benzyl acrylate, and an acylphosphine oxide photoinitiator, and is free of a thioxanthone photoinitiator.

    摘要翻译： 本发明的目的在于提供一种在LED灯下具有优异的固化性的油墨组，由于光引发剂而提供无着色或褪色的印刷物，防止成像中的混色，对聚氯乙烯类片材具有良好的粘合性，足以防止起皱 ，并且具有非常低的粘度以及高闪点和低皮肤刺激性。 一种油墨组，包括：选自黄色油墨组合物，品红色油墨组合物，青色油墨组合物，黑色油墨组合物，白色油墨组合物和透明油墨组合物中的至少两种。 每种油墨组合物的闪点为70℃以上，25℃下的粘度为5mPa·s以下。 品红，青色和透明油墨组合物各自含有4〜40质量％的丙烯酸乙烯氧基乙氧基乙酯，10〜65质量％的丙烯酸苄酯，5〜35质量％的N-乙烯基己内酰胺和酰基氧化膦光引发剂，分别为 各自不含噻吨酮光引发剂。 黄色油墨组合物含有4〜40质量％的丙烯酸乙烯氧基乙氧基乙酯，10〜65质量％的丙烯酸苄酯，5〜35质量％的N-乙烯基己内酰胺和酰基氧化膦光引发剂。 黑色油墨组合物含有4〜40质量％的丙烯酸乙烯氧基乙氧基乙酯，10〜65质量％的丙烯酸苄酯，5〜35质量％的N-乙烯基己内酰胺，噻吨酮光引发剂和酰基氧化膦光引发剂。 白色油墨组合物含有4〜40质量％的丙烯酸乙烯氧基乙氧基乙酯，10〜65质量％的丙烯酸苄酯和酰基氧化膦光引发剂，不含噻吨酮光引发剂。