| 摘要 |
PURPOSE: A re-crystallization type ink composition is provided to economically manufacture an object with a metal texture, and to express the metal texture without using an expensive metal pigment. CONSTITUTION: A re-crystallization type ink composition contains 20~75wt% of solvent, 20~50wt% of crystalline material, and 0.1~30wt% of coloring agent. The crystalline material uses urea. The solvent is either water or low class alcohol. The urea is in a granule, powdered, or crystal state. The coloring agent is an organic dye. The ink composition contains more than one additive selected from the group consisting of a wetting agent, an antiseptic, and a surfactant. |
