Method for producing an ink, ink jet -recording process -device -recording apparatus, ink cartridge, all provided with this method.

摘要

An ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) $wherein\; DAR\; denotes\; a\; value\; represented\; by\; the\; expression\; (II)$ \mathop{\mathrm{image}}$$