| 摘要 |
PURPOSE: To enhance image quality, e.g. print density, ink absorbance, image preservation (light fastness, waterproofness, moistureproofness, and the like) by adding a specified water soluble substance, as a component for enhancing color stability, to an ink receiving layer containing a pigment and a binder resin. CONSTITUTION: The ink jet recording medium being employed in an ink jet recording system using an aqueous ink has a support applied with an ink receiving layer at least containing a pigment and a binder resin. The ink receiving layer is added a component for enhancing color stability, i.e., a partially saponified PVA having degree of saponification in the range of 85.0-73.0 mol.% and degree of polymerization in the range of 300-1500. Alternatively, a acetoacetyl group modified PVA having degree of saponification in the range of 92.0-73.0 mol.%, degree of polymerization in the range of 300-1500 and the degree of acetoacetyl group modification in the range of 6.5-0.5 mol.% is added as the component for enhancing color stability thus enhancing print density, ink absorbance, image preservation, color stability, and the like.
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