| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous dispersion for inkjet recording, which uses an organic pigment and is excellent in printing density, to provide aqueous ink containing the dispersion, and to provide a method for producing the aqueous dispersion. <P>SOLUTION: [1] The aqueous dispersion for inkjet recording is characterized in that the dispersion contains chain-like particles containing anionic organic pigment particles and a cationic polymer, and that the ratio of chain-like particles relative to the total pigment is not less than 10% by number. [2] The aqueous ink for inkjet recording contains the aqueous dispersion. [3] The method for producing the aqueous dispersion for inkjet recording includes a process (I) for preparing a mixed liquid containing the cationic polymer and water and obtaining a viscous substance or a solid substance by removing water and a process (II) for obtaining an aqueous dispersion by mixing the obtained viscous substance or solid substance with water. <P>COPYRIGHT: (C)2011,JPO&INPIT |
