| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition preventing bad effects such as clogging, etc., caused by an insoluble or hardly dissolvable lithium salt of a higher fatty acid formed by the contact of the ink composition with an ink-contacting member such as an ink cartridge, etc. <P>SOLUTION: This ink composition containing at least water, a coloring agent and further ≥0.01 wt.% lithium ion based on the total amount of the ink composition comprises a glycolether expressed by formula 1 [wherein, (n) is 1 to 3 positive number; R<SB>1</SB>is H or a 1-3C alkyl; R<SB>2</SB>is a 5-7C alkyl; and R<SB>3</SB>is H or methyl]. <P>COPYRIGHT: (C)2008,JPO&INPIT |
