| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide water-in-oil emulsion ink containing a water-phase dispersion of a carbon pigment and keeping stable rheology with time. <P>SOLUTION: The emulsion ink is water-in-oil ink containing a water phase and an oil phase and the water phase contains a carbon black pigment having a pH of <6. The emulsion ink maintains stable rheology with time. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
