FIELD: printing.
SUBSTANCE: ink jet compositions are described containing two liquids: the first liquid contains anionic colouring agent and anionic pigment at a weight relationship 0.1-0.5:3 accordingly; and the second liquid containing the acid fixing fluid. Note that acid fixing fluid is at pH from about 2 to 6, provided with carboxylic acid in the acid fixing fluid, and contains a cationic polymer which has a configuration, allowing to react with anionic colouring agent and anionic pigment. Carboxylic acid has a configuration providing the protonation of anionic colouring agent and anionic pigment in essence simultaneously with interacting cation of polymer with anionic colouring agent and anionic pigment. There are also presented: a way of printing of images with use ink jet compositions; the jet printer and the device for printing of images with use of specified ink jet compositions.
EFFECT: images perling level decrease at drawing on a paper of a printing ink and the acid fixing fluid.
31 cl, 2 dwg, 2 tbl, 3 ex
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