| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of preparing an inkjet ink which does not cause a problem to be created by aging of the particles in an ink. SOLUTION: An inkjet printing method comprises the steps of (A) preparing an inkjet printer which responds to digital data signals; (B) loading an ink receptor material onto said printer; (C) loading a water base inkjet ink composition comprising not more than 70 wt.%, based on the composition, humectant and 0.5-30 wt.% co-ground mixture of Pigment Yellow 74 and a pigment having the structure (wherein R1, R2, R3, R4, and R5 are each a specific substituent) onto said printer; and then (D) printing in the ink receptor element with the use of said inkjet ink while responding to the digital data signals. |
