| 摘要 |
<p>PURPOSE:To obtain an aqueous ink composition showing excellent writing properties: water, light, blurring, capping off and thermosensitive paper resistances and fast writing properties, when it is used in writing utensils such as ball point pen, signing pen, line marker and in plotter or pens in recorders. CONSTITUTION:The composition contains at least (A) 10 to 80wt.% of a polymer emulsion colored with a dye and/or a pigment where the polymer emulsion is prepared by emulsion polymerization of 5 to 60wt.% of acrylonitrile, 0.5 to 20wt.% of a vinyl monomer having a carboxyl group, and 20 to 94.5wt.% of methyl (meth)acrylate and/or ethyl (meth)acrylate and (B) 20 to 50wt.% of glycerol.</p> |
