| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide nonaqueous ink that is excellent in pigment dispersion stability and also is capable of suppressing strike through and excellent in storage stability and discharge stability. <P>SOLUTION: The nonaqueous ink includes at least a pigment and an organic solvent, wherein the organic solvent includes a cyclic carbonate ester and a phosphoric triester represented by general formula, wherein R<SP POS="POST">1</SP>, R<SP POS="POST">2</SP>, and R<SP POS="POST">3</SP>are each a 1-8C saturated alkyl group which may have a straight chain or a branched chain or an aromatic group and R<SP POS="POST">1</SP>, R<SP POS="POST">2</SP>, and R<SP POS="POST">3</SP>may be the same or different, and the total content of the cyclic carbonate ester and the phosphoric triester is 50 mass% or more relative to the total ink amount. <P>COPYRIGHT: (C)2013,JPO&INPIT |
