| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain the subject composition forming no hard cake even after stored for a long period, to be used through filling writing or coating utensils such as marking pens therewith, and easy to redisperse the pigment by using aluminum powder as pigment. SOLUTION: This ink composition essentially comprises (A) a pigment essentially comprising aluminum powder pigment, (B) a dispersant essentially comprising a polyoxyethylene alkylphenyl ether phosphoric acid metal salt, (C) a resin, and (D) water; wherein it is recommended, for example, that the component A to be used is <=100μm in particle size and flaky and accounts for 1.0-40 wt.% based on the total weight of the composition, the component B 0.1-5.0 wt.%, and the resin to be used is e.g. a water-insoluble resin such as an acrylic resin.</p> |
