公开(公告)号：US11034849B2

公开(公告)日：2021-06-15

申请号：US15768622

申请日：2016-10-28

申请人： NIPPON KAYAKU KABUSHIKI KAISHA

发明人： Keijyou Sasaki ,  Shinsuke Shimizu ,  Shunta Misawa ,  Junya Maseki ,  Hiroko Higuchi

IPC分类号： C09D11/023 ,  B41J2/01 ,  B41M5/00 ,  C09D11/033 ,  C09D11/38 ,  C09D11/32 ,  D06P5/00 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  C09D11/328 ,  D06P5/30

摘要： Disclosed is an ink emulsion composition that, when used as an ink composition, retains a high concentration of a colorant and exhibits good re-dispersibility after drying, and that causes no change in the physical properties of the ink when stored for a long period of time. The ink emulsion composition contains: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound in an amount of more than 0.18 mass %, the compound (C) being represented by formula (1): where t represents 1 to 5.