申请人:SEIKO EPSON CORPORATION
公开号:EP1291397A1
公开(公告)日:2003-03-12
The invention provides an ink set for ink jet recording which gives high color density with respect to plain paper and exclusive paper and satisfactory color reproducibility and which has excellent ejection stability and storage stability.
An ink jet recording ink set, each ink comprising at least a colorant enclosing a pigment and/or a dye with a polymer, a penetrating agent and water, wherein the ink set comprises a combination of black, yellow, magenta and cyan, or a combination of "black inks, yellow inks, magenta inks, and cyan inks" each inks comprising at least one kind of ink having a different addition concentration, wherein the pigment for the black colorant is C.I. Pigment Black 7, the pigment for the yellow colorant is selected from C.I. Pigment Yellow 55, 74, 110, 128, 150, 155 and 180, the pigment for the magenta colorant is selected from C.I. Pigment Red 122, 202 and 209, and the pigment for the cyan colorant is selected from C.I. Pigment Blue 15, 15 : 1, 15 : 2, 15 : 3, 15 : 4, 15 : 6 and 16.
本发明提供了一种用于喷墨记录的墨水组,该墨水组相对于普通纸和专用纸具有较高的色彩密度和令人满意的色彩再现性,并且具有出色的喷出稳定性和储存稳定性。
一种喷墨记录墨水组,每种墨水至少包括一种着色剂,其中包含颜料和/或染料以及聚合物、渗透剂和水,其中墨水组包括黑色、黄色、品红色和青色的组合,或 "黑色墨水、黄色墨水、品红色墨水和青色墨水 "的组合,每种墨水包括至少一种具有不同添加浓度的墨水,其中用于黑色着色剂的颜料为 C。颜料黑 7,黄色着色剂的颜料选自 C.I.颜料黄 55、74、110、128、150、155 和 180,品红色着色剂的颜料选自 C.I.颜料红 122、202 和 209,青色着色剂的颜料选自 C.I.颜料蓝 15、15:1、15:2、15:3、15:4、15:6 和 16。