Non-aqua-system pigment ink for ink jet
A non-aqueous, non-aqueous solvent technology, applied in the direction of ink, applications, household appliances, etc., can solve the problems of roller transfer pollution, ink viscosity increase, and performance difficulties, etc., to achieve high printing density, reduce cross-printing, prevent The effect of transfer contamination
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[0059] Hereinafter, although an Example demonstrates this invention in detail, this invention is not limited to these.
[0060]
[0061]Mix 50% by mass of each solid resin shown in Table 1 with 50% by mass of methyl oleate (EXCEPARL "M-OL" produced by Kao Corporation), heat to 120°C, and dissolve it while stirring to obtain a composition as follows: Resin solutions shown in Table 2 and Table 3. In addition, the resin solution of Example 6 is a mixture of C5 / C9 aliphatic / aromatic hydrocarbon resin A and C5 aliphatic hydrocarbon resin in a mass ratio of 1:1, 50% by mass and methyl oleate 50% by mass mixed.
[0062] Table 1
[0063] [Table 1] Details of solid resin
[0064]
[0065]
[0066] The pigments, pigment dispersants, and non-aqueous solvents were premixed in the formulations shown in Table 2 and Table 3, and then dispersed for 4 hours using a swing mill (manufactured by SEIWA GIKEN Co., Ltd.) to obtain pigment dispersions. After mixing the obtained pigment...
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