Patent ID: 9309423
Filing Date: 2016-04-12
CPC Classification: B41J,C09D

Claim Text:
1. An ink composition for ink jet recording in which a non-absorbent or low absorbent recording medium is used, the composition comprising: water; a color material; a surfactant; a compound I represented by general formula (I) below; and substantially not including alkyl polyols with a standard boiling point of 280° C. or higher; wherein the surfactant includes a fluorine-based surfactant and a siloxane-based surfactant with 5 or more siloxane units, wherein in general formula (I), n represents an integer in the range of 45 to 230, each R wherein the siloxane-based surfactant with 5 or more siloxane units includes a compound represented by general formula (II) below: wherein, in general formula (II), k represents an integer of 1 or higher to 5 or lower, n represents an integer of 1 or higher, m represents an integer of 0 to 15, p represents an integer of 1 or higher, q represents an integer of 5 to 30, the value of p/(q+p) is 0.2 to 0.8, and R wherein the fluorine-based surfactant is selected from the group consisting of perfluoroalkyl sulfonates, perfluoroalkyl carboxylates, perfluoroalkyl phosphoric acid esters, perfluoroalkyl ethylene oxide adducts, perfluoroalkyl betaines, and perfluoroalkylamine oxide compounds.