发明授权
US07445666B2 Ink jet ink, ink jet recording method, ink cartridge, ink set and image forming method 有权
喷墨油墨,喷墨记录方法,墨盒,油墨组和成像方法

Ink jet ink, ink jet recording method, ink cartridge, ink set and image forming method
摘要:
An ink jet ink which can form images whose bleeding resistance is high and whose bronzing phenomenon is suppressed, is provided. The ink is an ink jet ink for use together with a pigment ink. The ink jet ink is characterized in that: the ink jet ink contains a coloring material, a polyvalent metal and a water-soluble organic solvent(s); the coloring material is at least a compound represented by the general formula (I); a content (mol/g) of the polyvalent metal is 2.0×10−6 mol/g or more and 4.0×10−4 mol/g or less; a total content (mass %) of the water-soluble organic solvent(s) is 25.0 mass % or more with respect to the total mass of the ink; and in a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %, a dispersion distance d75 value corresponding to 75% of a distribution is 12.60 nm or less.
信息查询
0/0