Title:
インクジェット記録用インクセット、インクジェット記録方法、及び記録物
Document Type and Number:
Japanese Patent JP5879692
Kind Code:
B2
Abstract:
An inkjet recording ink set including: a black ink; and color inks composed of a cyan ink, a magenta ink and a yellow ink, wherein the black ink contains a water-soluble solvent, a surfactant, water, and colored polymer emulsion particles obtained by dispersing, in water, carbon black coated with a vinyl polymer or a polyester polymer, wherein the cyan ink, the magenta ink and the yellow ink each contain a corresponding color dye, a water-soluble solvent, and water, and wherein an amount S of the water-soluble solvent contained in each color ink occupies 40% by mass or more of a total amount of each color ink, a ratio (S/W) of the amount S of the water-soluble solvent to an amount W of the water contained in each color ink is in the range of 0.7 to 1.6, and each color ink does not have a flash point.
Inventors:
Akihiko Matsuyama
Akiko Sakauchi
Nozomi Nagai
Akiko Sakauchi
Nozomi Nagai
Application Number:
JP2011034492A
Publication Date:
March 08, 2016
Filing Date:
February 21, 2011
Export Citation:
Assignee:
株式会社リコー
International Classes:
C09D11/40; B41J2/01; B41M5/00; C09B29/12; C09B31/02; C09B47/24; C09B62/09; C09D11/00; C09D11/322; C09D11/324; C09D11/326; C09D11/328; C09D11/38
Domestic Patent References:
| JP2003238863A | ||||
| JP2004010640A | ||||
| JP2001139849A |
Attorney, Agent or Firm:
Koichi Hirota