发明名称 Ink set and ink jet recording method
摘要 Provided is an ink set enabling the recording of images that have excellent color developability and bronzing resistance and have suppressed a coloring by fringe when a clear ink and a pigment ink are used in combination. An aqueous ink set includes a combination of a first ink containing no coloring material and a second ink containing a coloring material.
申请公布号 US9605170(B2) 申请公布日期 2017.03.28
申请号 US201615001583 申请日期 2016.01.20
申请人 Canon Kabushiki Kaisha 发明人 Nakagawa Kouhei;Nakata Eiichi;Ichinose Hirofumi
分类号 C09D11/40;C09D11/324;C09D11/107;C09D11/102 主分类号 C09D11/40
代理机构 Fitzpatrick, Cella, Harper & Scinto 代理人 Fitzpatrick, Cella, Harper & Scinto
主权项 1. An aqueous ink set comprising: a combination of a first ink including no coloring material and a second ink including a coloring material, wherein the first ink includes a resin particle and a water-soluble resin, wherein the second ink includes the coloring material, a water-soluble acrylic resin, and a water-soluble urethane resin, the coloring material being a carbon black having a BET specific surface area of 50 m2/g or more to 240 m2/g or less and a DBP oil absorption amount of 30 mL/100 g or more to 100 mL/100 g or less, wherein, in the second ink, a mass ratio of a content A (% by mass) of the water-soluble acrylic resin relative to a content P (% by mass) of the carbon black is 0.30 times or more to 2.00 times or less, and wherein a mass ratio of a content U (% by mass) of the water-soluble urethane resin in the second ink relative to a content P (% by mass) of the carbon black is 0.10 times or more to 0.60 times or less.
地址 Tokyo JP