Fitzpatrick, Cella, Harper & Scinto
Ink-jet ink, ink cartridge and recording unit, and ink-jet recording process and ink-jet recording apparatus using the same
The invention provides an ink-jet ink comprising (A) diethylene glycol, (B) at least one of trimethylolpropane and ethyleneurea, (C) a glycol having a vapor pressure lower than that of diethylene glycol at 20&deg; C., (D) a coloring material, and (E) water, wherein the total amount of the components (A), (B) and (C) is 10 to 40% by weight based on the total weight of the ink. The ink is hard to undergo a change in ink composition even when the ink is used in ejection with no recording or ejection-recovery operation, and also hard to undergo a change in ink properties even when the ink composition is changed.
Canon Kabushiki Kaisha
C C
C09D C09D
inventional inventional
Shoji Mariko
Koike Suzuki