Patent ID: 9340688
Filing Date: 2016-05-17
CPC Classification: B41J,C09D

Claim Text:
1. An ink-jet printing method comprising the step of ejecting a water-based ink comprising pigment-containing polymer particles from a print head, in which the polymer constituting the polymer particles comprises not less than 78% by mass and not more than 88% by mass of a constitutional unit derived from an acrylic acid ester comprising a hydrocarbon group having not less than 3 and not more than 8 carbon atoms, and not more than 22% by mass and not less than 12% by mass of a constitutional unit derived from acrylic acid, on the basis of a total mass of whole constitutional units in the polymer constituting the polymer particles, the method of ejecting the ink is a thermal method comprising the step of ejecting a water-based ink from a print head by an action of a thermal energy.