作者: Masayasu Nonogaki , Keita Katoh , Yuusuke Koizuka , Masayuki Fukuoka , Shigeyuki Harada
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摘要: An ink for inkjet recording includes water; a hydrosoluble solvent, pigment, and copolymer including salt of diphosphonic acid group. The group structural units having the following formulae (1) (2): X represents an alkylene 1 to 3 carbon atoms, each R1 R2 hydrogen atom or methyl group, M+ alkali metal ion, organic ammonium ion proton Z1 hydrocarbon 6 22 atoms. may be mixed, half more are ions ions.