INKJET PRINTING MEDIUM COMPRISING CROSSLINKED PRINTING SURFACE

摘要

An article comprises: (a) a substrate having at least one surface; (b) an interior water-absorptive coating on the surface wherein the interior water-absorptive coating comprises hydrophilic organic polymer which is substantially free from crosslinks derived from ethylenic unsaturation or which contains few crosslinks derived from ethylenic unsaturation; and (c) an exterior water-absorptive coating on the interior water-absorptive coating wherein the exterior water-absorptive coating comprises hydrophilic organic polymer which contains numerous crosslinks derived from ethylenic unsaturation; wherein: (d) the interior coating, the exterior coating, or each of the interior coating and the exterior coating further comprises discrete particles having a number average particle size in the range of from 1 to 500 nanometers.