| 摘要 |
<p>PURPOSE:To provide a marking ink composition excellent in the drying resistance for nib, comprising a colorant, organic solvent, resin soluble to the organic solvent and specific decaglycerin palmitic ester. CONSTITUTION:The composition comprising (A) pref. 2-17wt.% of a colorant such as a dye, (B) pref. 65-85wt.% of an organic solvent such as ethanol, (C) pref. 3-19wt.% of a resin soluble to the organic solvent (e.g. rosin), and (D) pref. 0.15-3wt.% of a decaglycerin palmitic ester of the formula (R is H or C15H31COO, the number of the latter group being 5-7).</p> |
