Patent ID: 9340696
Filing Date: 2016-05-17
CPC Classification: C09D

Claim Text:
1. An ink comprising: a self-dispersing pigment; polymer particles; a surfactant; a water-soluble organic solvent; and water, wherein an amount of anionic functional group on the surface of the polymer particles is 0.2 mmol/g or less, the surfactant is represented by the following general formula (1) and contains a fluorinated surfactant having a hydrophile-lipophile balance (HLB) of 11 or less as determined by a Griffin method, wherein R the water-soluble organic solvent contains at least one water-soluble organic solvent selected from the following group A: glycerin, ethylene glycol, diethylene glycol, poly(ethylene glycol) having a weight-average molecular weight of 10,000 or less, 1,3-propanediol, 1,4-butanediol, and diglycerol.