Patent ID: 6761941
Filing Date: 2004-07-13
Classification: B41M

Abstract:
An inkjet recording sheet comprising a support and, on a surface of the support, a colorant-receiving layer including at least one of a compound represented by the following general formula (1) and a compound represented by the following general formula (2) and including a vapor-phase-process silica, a polyvinyl alcohol, a boron compound, and a mordant:RO(CH2CH2O)nH â€ƒâ€ƒ(1) wherein, in the formula (1): R represents a saturated hydrocarbon group having from 1 to 12 carbon atoms, an unsaturated hydrocarbon group having from 1 to 12 carbon atoms, a phenyl group, or an acyl group; and n represents an integer of 1 to 3,RO(CH2CH(CH3)O)nHâ€ƒâ€ƒ(2) and in the formula (2): R represents a saturated hydrocarbon group having from 1 to 12 carbon atoms, an unsaturated hydrocarbon group having from 1 to 12 carbon atoms, a phenyl group, or an acyl group; and n represents an integer of 1 to 3,wherein said polyvinyl alcohol comprises a degree of saponification of from 70% to 99%; and wherein said vapor-phase-process silica in the colorant-receiving layer comprises weight i, polyvinyl alcohol in the colorant-receiving layer comprises weight p, and the content ratio by weight i/p is from 1.5/1 to 10/1.