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    Ink Jet Recording Method
    2.
    发明申请
    Ink Jet Recording Method 有权

    公开(公告)号：US20220305834A1

    公开(公告)日：2022-09-29

    申请号：US17702029

    申请日：2022-03-23

    申请人： Seiko Epson Corporation

    发明人： Kiyoshi NAKAMURA ,  Yoshinobu YOSHIDA ,  Chigusa SATO ,  Asako KUBOTA ,  Shohei NAMIKOSHI ,  Tsuyoshi SANO

    IPC分类号： B41M7/00 ,  C09D11/40 ,  C09D11/322

    摘要： An ink jet recording method is a method in which a cyan ink, a magenta ink, a black ink, and a yellow ink radiation that are curable inks are ejected from ink jet heads to attach the radiation curable inks to a recording medium. The method includes, in this order, a first step of attaching the cyan ink, the magenta ink, and the black ink onto the recording medium and applying temporary curing radiation to the recording medium and a second step of attaching the yellow ink onto the recording medium and applying full curing radiation to the recording medium without applying the temporary curing radiation.

    Method For Producing Recorded Matter
    5.
    发明申请
    Method For Producing Recorded Matter 有权

    公开(公告)号：US20220266620A1

    公开(公告)日：2022-08-25

    申请号：US17676272

    申请日：2022-02-21

    申请人： Seiko Epson Corporation

    发明人： Midori SEKINE ,  Kyohei TANAKA ,  Kiyoshi NAKAMURA ,  Haruya KOYAMA

    IPC分类号： B41M7/00 ,  B41M5/00 ,  C09D11/101 ,  C09D11/107 ,  C09D11/40

    摘要： A method for producing a recorded matter includes a first ejection step of ejecting a first ink, which is a radiation-curable ink jet composition, and adhering the first ink to a recording medium, a first irradiation step of irradiating radiation to the first ink adhered to the recording medium to obtain a cured coating film of the first ink, a second ejection step of ejecting a second ink, which is a radiation-curable ink jet composition, and adhering the second ink to the cured coating film of the first ink so that the duty is 1% or more and 20% or less, a second irradiation step of irradiating radiation to the second ink adhered to the recording medium to cure the second ink to obtain a recorded matter, and a lamination step of laminating, in the recorded matter, a recording surface to which the first ink and the second ink have been adhered, and a non-recording surface to which the first ink and the second ink have not been adhered, so that both surfaces face each other.

    Ink Jet Recording Apparatus
    8.
    发明公开
    Ink Jet Recording Apparatus 审中-公开

    公开(公告)号：US20230339240A1

    公开(公告)日：2023-10-26

    申请号：US18306280

    申请日：2023-04-25

    申请人： SEIKO EPSON CORPORATION

    发明人： Yoshinobu YOSHIDA ,  Toshiyuki YODA ,  Kiyoshi NAKAMURA ,  Shohei NAMIKOSHI ,  Takuya OTA ,  Keita HANAWA

    IPC分类号： B41J11/00

    CPC分类号： B41J11/00218

    摘要： An ink jet recording apparatus including an ink jet head for ejecting and attaching a radiation-curable ink jet composition to a recording medium, an inert gas supply portion for supplying an inert gas to the recording medium to which the radiation-curable ink jet composition is attached, and an irradiation portion for applying radiation to the radiation-curable ink jet composition attached to the recording medium under supply of an inert gas, wherein the inert gas supply portion slantingly ejects the inert gas toward just under the irradiation portion.

    Ink Jet Recording Method
    9.
    发明公开
    Ink Jet Recording Method 审中-公开

    公开(公告)号：US20230339239A1

    公开(公告)日：2023-10-26

    申请号：US18302849

    申请日：2023-04-19

    申请人： SEIKO EPSON CORPORATION

    发明人： Kiyoshi NAKAMURA ,  Masashi YASUI

    IPC分类号： B41J11/00 ,  B41J2/21

    CPC分类号： B41J11/00218 ,  B41J2/21

    摘要： An ink jet recording method includes an overcoat layer forming step of forming an overcoat layer on a color layer formed on a recording medium by using a radiation-curable white ink composition and a radiation-curable clear ink composition. The overcoat layer forming step includes an ejection step O of ejecting, from an ink jet head O, the radiation-curable white ink composition and the radiation-curable clear ink composition to be attached to the recording medium and an irradiation step O of applying radiation to the radiation-curable white ink composition and the radiation-curable clear ink composition which are attached to the recording medium to obtain the overcoat layer, and a coverage of the recording medium by the overcoat layer is less than 100%.

    Radiation Curable Ink Jet Composition
    10.
    发明公开
    Radiation Curable Ink Jet Composition 审中-公开

    公开(公告)号：US20230407120A1

    公开(公告)日：2023-12-21

    申请号：US18079912

    申请日：2022-12-13

    申请人： SEIKO EPSON CORPORATION

    发明人： Toru SAITO ,  Toshiyuki YODA ,  Yoshinobu YOSHIDA ,  Kiyoshi NAKAMURA

    IPC分类号： C09D11/38 ,  C09D11/101

    CPC分类号： C09D11/38 ,  C09D11/101

    摘要： A radiation curable ink jet composition contains: a dispersant; a polymerizable compound; and a hindered amine compound represented by the following general formula (1) or (2), the radiation curable ink jet composition has a viscosity of 50 mPa·s or less at 25° C., and the dispersant has an acid value of 30 mgKOH/g or more,




    In the formula (1), R1 represents H—, O═, or R2—CO—, and R2 represents an alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aromatic ring,




    In the formula (2), R3 represents —OCO—R4—COO—, and R4 represents an alkyl group having 1 to 12 carbon atoms.