Patent ID: 8927623
Filing Date: 2015-01-06
Classification: C09D,Y10T

Abstract:
1. A recording ink, comprising: a water-dispersible colorant, a water-dispersible resin, wetting agents, which are glycerin and any one of 1,3-butanediol, and 3-methyl-1,3-butanediol, a surfactant, and water, wherein the content of the wetting agent in the recording ink is in the range of from 20% by mass to 35% by mass, the total solid content of the water-dispersible colorant and the water-dispersible resin in the recording ink is in the range of from 20% by mass to 27% by mass, the water-dispersible resin contains fluorine resin particulates, and the ratio A:B, where A is the solid content of the water-dispersible resin in the recording ink and B is the solid content of a pigment contained in the water-dispersible colorant in the recording ink, is in the range of 0.5 to 8.