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    Ink composition for performing printing on impermeable base material and image recording method
    3.
    发明授权
    Ink composition for performing printing on impermeable base material and image recording method 有权

    公开(公告)号：US12209191B2

    公开(公告)日：2025-01-28

    申请号：US17131768

    申请日：2020-12-23

    Applicant: FUJIFILM Corporation

    Inventor： Yushi Hongo ,  Ryuji Shinohara ,  Hiroshi Yamamoto ,  Masaharu Kawai ,  Taiga Mizoe

    IPC: C09D11/107 ,  B41M5/00 ,  C09D11/104 ,  C09D11/322

    Abstract: An ink composition for performing printing on an impermeable base material, including water (A), a resin (B) which is at least one selected from the group consisting of an acrylic resin, a polyester resin, and a urethane resin, and an organic solvent (C) which has a boiling point of 250° C. or lower, has no nitrogen atom, and satisfies Expression (C1), in which a total content of the organic solvent (C) is in a range of 0.01% by mass to 5.0% by mass with respect to a total amount of the ink composition. In Expression (C1), SPB represents an SP value of a main resin in the resin (B) in an MPa1/2 unit, SPC represents an SP value of the organic solvent (C) in the MPa1/2 unit, and |SPC−SPB| represents an absolute value of a difference between SPC and SPB: |SPC−SPB|≤10.0  Expression (C1).

    Image recording method
    4.
    发明授权
    Image recording method 有权

    公开(公告)号：US12076997B2

    公开(公告)日：2024-09-03

    申请号：US17845509

    申请日：2022-06-21

    Applicant: FUJIFILM Corporation

    Inventor： Masaharu Kawai ,  Ryuji Shinohara ,  Yushi Hongo

    IPC: B41J11/00 ,  B41J2/045 ,  B41J2/17 ,  B41M5/00

    CPC classification number: B41J2/17 ,  B41J2/04573 ,  B41J11/0015 ,  B41J11/002 ,  B41M5/0017

    Abstract: Provided is an image recording method including an applying step of applying a pretreatment liquid containing water and an aggregating agent onto an impermeable base material and applying an ink containing water and a colorant onto a region of the impermeable base material where the pretreatment liquid has been applied, and a drying step of drying the ink applied onto the region to obtain an image, in which the drying step includes blowing of hot air at a wind speed of greater than 15 m/s to the ink applied onto the region, and in a case where the number of grams of the ink applied per 1 m2 in an image area with a density of 100% is defined as X, and the number of grams of the pretreatment liquid applied per 1 m2 in the image area with a density of 100% is defined as Y, a viscosity of a kneaded material obtained by adding (6.5Y/X) mg of the pretreatment liquid to 10 g of the ink and defoaming and kneading the mixture at 200 rpm for 5 minutes is in a range of 30 mPa·s to 500 mPa·s.

    Image recording method
    5.
    发明授权
    Image recording method 有权

    公开(公告)号：US12162290B2

    公开(公告)日：2024-12-10

    申请号：US18049717

    申请日：2022-10-26

    Applicant: FUJIFILM Corporation

    Inventor： Yushi Hongo ,  Ryuji Shinohara ,  Masaharu Kawai ,  Masao Ikoshi ,  Taiga Mizoe

    IPC: B41J2/21 ,  B41J2/14 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322

    Abstract: Provided is an image recording method including a step of preparing an ink containing water and a white pigment, and a step of jetting the ink from an ink jet head in a liquid droplet amount of 1.0 pL or greater to apply the ink onto a base material, in which in a case where an ink jetting surface of the ink jet head is immersed in the ink in a vertically standing state for 2 seconds, the jetting surface is pulled up from the ink in the state, and the jetting surface is allowed to stand in the state for 1 minute, a ratio of an area of a region to which the ink is adhered to an area of the jetting surface is 40% by area or less.

    IMAGE RECORDING METHOD
    6.
    发明申请
    IMAGE RECORDING METHOD 有权

    公开(公告)号：US20220324235A1

    公开(公告)日：2022-10-13

    申请号：US17845509

    申请日：2022-06-21

    Applicant: FUJIFILM Corporation

    Inventor： Masaharu KAWAI ,  Ryuji Shinohara ,  Yushi Hongo

    IPC: B41J2/17 ,  B41J2/045

    Abstract: Provided is an image recording method including an applying step of applying a pretreatment liquid containing water and an aggregating agent onto an impermeable base material and applying an ink containing water and a colorant onto a region of the impermeable base material where the pretreatment liquid has been applied, and a drying step of drying the ink applied onto the region to obtain an image, in which the drying step includes blowing of hot air at a wind speed of greater than 15 m/s to the ink applied onto the region, and in a case where the number of grams of the ink applied per 1 m2 in an image area with a density of 100% is defined as X, and the number of grams of the pretreatment liquid applied per 1 m2 in the image area with a density of 100% is defined as Y, a viscosity of a kneaded material obtained by adding (6.5Y/X) mg of the pretreatment liquid to 10 g of the ink and defoaming and kneading the mixture at 200 rpm for 5 minutes is in a range of 30 mPa·s to 500 mPa·s.

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