| 摘要 |
<p>PURPOSE:To obtain a novel ink composition, capable of assuming white color and describing letters and picture images on black or dark-colored materials to be written, such as fabric, paper or leather, and erasable even by using water, by dispersing white powder of a water-soluble aliphatic sulfate in a monohydric alcohol. CONSTITUTION:An ink composition obtained by dispersing (A) 100pts.wt. white powder of preferably a >=10C water-soluble aliphatic sulfate (e.g. sodium lauryl sulfate) in (B) 50-2,000pts.wt. (preferably 200-1,500pts.wt.) monohydric alcohol consisting of a saturated or unsaturated monohydric alcohol, alicyclic alcohol, aromatic alcohol, etc. Furthermore, a drying inhibitor or viscosity regulator, as necessary, is added.</p> |
