| 摘要 |
<p>PURPOSE:To obtain the title ink consisting of guar gum having an anionic property, etc., quinacridone-based pigment, water and dispersing agent, having a specific viscosity, causing no sedimentation of pigment and having excellent stability with passage of time. CONSTITUTION:The objective ink consisting of anionic and/or nonionic guar gum (e.g. carboxymethyl hydroxypropylated guar gum or hydroxypropyl guar gum), quinacridone-based pigment (e.g. C.I. Pigment Red 112), water and dispersing agent (e.g. polyoxyethylene alkyl ether), and having 50-2000 centimeter poise viscosity.</p> |
