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    ACTIVE ENERGY RAY-CURABLE INK COMPOSITION, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING PRINTED MATTER IN WHICH SAME IS USED
    4.
    发明申请
    ACTIVE ENERGY RAY-CURABLE INK COMPOSITION, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING PRINTED MATTER IN WHICH SAME IS USED 有权

    公开(公告)号：US20220169871A1

    公开(公告)日：2022-06-02

    申请号：US17593541

    申请日：2020-02-26

    申请人： SAKATA INX CORPORATION

    发明人： Keishiro HISHINUMA ,  Naoki OMI

    IPC分类号： C09D11/101 ,  C09D11/08 ,  C09D11/06 ,  B41M5/00

    摘要： To provide an active energy ray-curable ink composition that increase the content of raw materials derived from biomass and contains a material having superior pigment dispersibility, such as a rosin-modified phenol resin. An active energy ray-curable ink composition containing a compound having one or more ethylenically unsaturated bonds, a specific resin, and a specific liquid ingredient is provided, wherein the specific resin is at least one selected from the group consisting of rosin-modified phenol resins, rosin-modified maleic acid resins, rosin-modified alkyd resins, gilsonite resins, and asphalt resins, and the specific liquid ingredient is fat and oil that is derived from animals or vegetables or a modified product thereof having no ethylenically unsaturated bonds and a solubility parameter value (hereinafter referred to as sp value) of 9.0 (cal/cm3)1/2 to less than 11.0 (cal/cm3)1/2 as measured by turbidimetric titration.

    Method for producing printed item
    6.
    发明授权
    Method for producing printed item 有权

    公开(公告)号：US10808137B2

    公开(公告)日：2020-10-20

    申请号：US16141003

    申请日：2018-09-25

    申请人： RISO KAGAKU CORPORATION

    发明人： Kazuyuki Ando ,  Shinichiro Shimura ,  Marie Morinaga ,  Hikaru Sugiura ,  Shinsuke Ozawa

    IPC分类号： C09D11/40 ,  C09D11/36 ,  C09D11/324 ,  C09D11/322 ,  C09D11/037 ,  C09D11/033 ,  B41M5/00 ,  C09D11/06 ,  B41J2/21

    摘要： A method for producing a printed item including discharging two or more inks by an inkjet method toward a recording medium to form an image is disclosed, wherein the two or more inks include a first oil-based inkjet ink containing a first colorant and a non-aqueous solvent and having an ink surface tension of less than 27.0 mN/m, and a second oil-based inkjet ink containing a second colorant and a non-aqueous solvent and having an ink surface tension of 27.0 mN/m or greater, and the method includes discharging the first oil-based inkjet ink toward the recording medium at a discharge volume of at least 20 pl per one liquid droplet to form dots with the first oil-based inkjet ink, and subsequently discharging the second oil-based inkjet ink toward the recording medium at a discharge volume of less than 20 pl per one liquid droplet so as to overlap with the dots formed with the first oil-based inkjet ink.

    INKS
    7.
    发明申请
    INKS 审中-公开

    公开(公告)号：US20200071556A1

    公开(公告)日：2020-03-05

    申请号：US16545768

    申请日：2019-08-20

    申请人： TOSHIBA TEC KABUSHIKI KAISHA

    发明人： Maiko MIYOSHI ,  Tsuyoshi ITOU ,  Takafumi HARA

    IPC分类号： C09D11/50 ,  C09D11/38 ,  C09D11/36 ,  C09D11/328 ,  C09D11/033 ,  C09D11/037 ,  C09D11/06 ,  B41J2/21 ,  B41M5/00

    摘要： According to one embodiment, an ink which can be decolored upon heating is provided. Colored images can be formed with the ink by various methods, such as ink jetting or the like, then later the images can be decolored with heat. An ink according to an embodiment contains a color developable compound, a color developing agent that causes the color developable compound to develop a color, a nonaqueous solvent, and a decoloring agent that is insoluble in the nonaqueous solvent and decolors the color developable compound upon heating.