METHOD FOR PRODUCING PRINTED MATERIAL

    公开(公告)号:US20240391264A1

    公开(公告)日:2024-11-28

    申请号:US18694071

    申请日:2022-09-16

    Abstract: An object of the present invention is to provide a method for producing a surface-printing printed material excellent in not only wet-on-wet printability but also density stability. The present invention is a method for producing a printed material, including, in the stated order: an ink (A) transfer step of transferring an ink (A) according to the following definition to a substrate, the ink (A) being colorless or white; a drying step of evaporating water or a solvent contained in the ink (A); an ink (B) transfer step of transferring an ink (B) according to the following definition to the substrate; and an irradiation step of irradiating the transferred inks with an active energy ray: the ink (A) being a volatile active energy ray-curable ink containing water or a solvent, the ink (B) being a nonvolatile active energy ray-curable ink substantially not containing water or a solvent.

    METHOD FOR MANUFACTURING PRINTED MATERIAL USING LITHOGRAPHIC PRINTING INK, AND LITHOGRAPHIC PRINTING INK SET

    公开(公告)号:US20210284852A1

    公开(公告)日:2021-09-16

    申请号:US16332551

    申请日:2017-09-25

    Abstract: To provide is a manufacturing method for obtaining printed material in which, in lithographic printing, a printed part where multiple colors are superimposed on each other has a high gloss, and also a lithographic printing ink set. The method for manufacturing printed material according to the present invention includes a step of coating at least black ink for lithographic printing, cyan ink for lithographic printing, magenta ink for lithographic printing, and yellow ink for lithographic printing on a substrate, in which a difference in surface tension between the inks to be coated on a substrate is at most equal to 3.5 mN/m. The lithographic printing ink set according to the present invention is a lithographic printing ink set including at least black ink, cyan ink, magenta ink, and yellow ink, in which a difference in surface tension between the inks included in the lithographic printing ink set is at most equal to 3.5 mN/m.

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