Ink composition capable of realizing images possessing excellent color development and fixation
申请人:SEIKO EPSON CORPORATION
公开号:EP1114851A1
公开(公告)日:2001-07-11
An ink composition is provided which, when printed on recording media, can exhibit excellent color development and fixation, can be stably ejected, and can realize good images. This ink composition comprises a first colorant, a second colorant, a penetrating agent, water, and a water-soluble organic solvent. The first colorant is a pigment which is dispersible and/or dissolvable in water without any dispersant, and the second colorant is a pigment dispersion comprising a pigment and a dispersant for dispersing the pigment.
本发明提供了一种油墨组合物,在记录介质上印刷时,该油墨组合物能表现出极佳的显色性和固色性,能稳定地喷出,并能实现良好的图像。这种油墨组合物由第一着色剂、第二着色剂、渗透剂、水和水溶性有机溶剂组成。第一着色剂是一种可在水中分散和/或溶解的颜料,不需要任何分散剂,第二着色剂是一种颜料分散体,由颜料和分散颜料的分散剂组成。