发明名称 INK SET
摘要 There is provided an ink set in which at least a cyan ink, a magenta ink, and a yellow ink are provided, each ink provided in the ink set includes water, a pigment of equal to or greater than 5% by mass with respect to 100% by mass of a total amount of each of the ink, glycerin, and a betaine compound having a molecular weight of less than 120, respectively, in each of the ink, a maximum difference in a content ratio of the pigment is equal to or greater than 3.0% by mass, and a maximum difference in a content ratio of the water is equal to or less than 3.0% by mass and in each of the ink, the ink in which a content ratio of the pigment is at a maximum, the ink in which the content ratio of the water is at a maximum, and the ink in which a total content ratio of the glycerin and the betaine compound is at a maximum are the same ink.
申请公布号 US2015022584(A1) 申请公布日期 2015.01.22
申请号 US201414325807 申请日期 2014.07.08
申请人 Seiko Epson Corporation 发明人 YAMAZAKI Soichi;ISHIHARA Daisuke;KUMETA Hiroaki
分类号 C09D11/322;B41J2/165;C08K13/00 主分类号 C09D11/322
代理机构 代理人
主权项 1. An ink set comprising at least: a cyan ink; a magenta ink; and a yellow ink, wherein each ink provided in the ink set includes water, a pigment of equal to or greater than 5% by mass with respect to 100% by mass of a total amount of each of the ink, glycerin, and a betaine compound having a molecular weight of less than 120, respectively. wherein in each of the ink, a maximum difference in a content ratio of the pigment is equal to or greater than 3.0% by mass, and a maximum difference in a content ratio of the water is equal to or less than 3.0% by mass, and wherein in each of the ink, the ink in which the content ratio of the pigment is at a maximum, the ink in which the content ratio of the water is at a maximum, and the ink in which a total content ratio of the glycerin and the betaine compound is at a maximum are the same ink.
地址 Tokyo JP