Method for producing printed item
AssigneeRiso Kagaku Corporation
InventorsKazuyuki ANDO, Shinichiro SHIMURA, Marie MORINAGA, Hikaru SUGIURA, Shinsuke OZAWA
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AssigneeRiso Kagaku Corporation
InventorsKazuyuki ANDO, Shinichiro SHIMURA, Marie MORINAGA, Hikaru SUGIURA, Shinsuke OZAWA
Estimating the term…
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.
A method for producing a printed item comprising discharging two or more inks by an inkjet method toward a recording medium to form an image, wherein
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