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    • 46. 发明公开
    • INKJET-RECORDING METHOD AND IMAGE-RECORDED ARTICLE
    • EP4059721A1
    • 2022-09-21
    • EP21751303.5
    • 2021-01-14
    • KONICA MINOLTA, INC.
    • NIIZUMA, NaotoTAGORI, Hirotaka
    • B41J2/01B41J2/21C09D11/322C09D11/38C09D11/54B41M5/00
    • The present invention addresses the problem of providing: a two-part inkjet-recording method that is for forming an image on a pre-coat applied film, and that provides improved hot water resistance; and an image-recorded article obtained by using the inkjet-recording method. The inkjet-recording method according to the present invention includes: a step for applying an aqueous pre-coat composition to a base material or a step for applying the aqueous pre-coat composition to the base material and drying the aqueous pre-coat composition; and a step for subsequently applying and drying an aqueous ink composition, the steps being carried out in that order. The inkjet recording method is characterized in that: the aqueous pre-coat composition contains at least a flocculant; the aqueous ink composition contains at least a pigment, a polymer dispersing agent, and fine resin particles; the flocculant is selected from pyrolytic cation resins, organic acids, or multivalent metal salts; a neutralizer for the polymer dispersing agent is selected from organic amines; and step for setting the temperature at which the aqueous ink composition is dried to be equal to or higher than the pyrolytic temperature of the flocculant is included.