To form stable image excellent in coloring properties in a region from violet to blue by ink jet printing method and spread expression range of color tone and chroma.
Ink is prepared using at least one kind of dye selected from CI disperse violet 26, 28, 40, 43, 48, 57, 63, 77, 87 and 97 as violet-based ink and using at least one kind of dye selected from CI disperse blue 56, 73, 79: 1, 113, 128, 148, 154, 158, 165, 165:1, 165:2, 183, 194, 201, 214, 222, 225, 257, 266, 267, 287, 358 and 368 as blue-based ink and each using a dividing agent and an aqueous medium. The ink is applied to a polyester fiber fabric so that two color inks are jetted at a discharge speed of 5-20m/sec from a recording head housed in a cartridge through heat energy so as to superpose at least a part of two color inks and the fabric is heat-treated by steaming or thermosol method and cleaned to provide the objective ink jet printed product.
YAMAMOTO TOMOYA
SUZUKI MARIKO
HAKAMATA SHINICHI
HARUTA MASAHIRO
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