| 摘要 |
The present invention provides an ink-jet recording ink which includes colored fine particles including an oil-soluble dye and an oil-soluble polymer or a photopolymerizable monomer, and a compound represented by formula (I): wherein R represents a hydrophobic group or a group derived from a hydrophobic polymer; X represents a divalent linking group; Y represents a group including at least one represented by the structural units A, C and D, and 0 to 40% by mole of the structural unit B; and n is an integer of 10 to 3,500; wherein R<1 >represents H or alkyl; R<2 >represents H or alkyl; R<3 >represents H or methyl; R<4 >represents H, -CH3, -CH2COOH or -CN; Z<1 >represents H, -COOH or -CONH2; Z<2 >represents -COOH, -SO3H, -OSO3H, -CH2SO3H, -CONHC(CH3)2CH2SO3H or -CONHCH2CH2CH2N<+>(CH3)3Cl<->.
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