| 摘要 |
<p>PURPOSE:The titled ink that is obtained by using a specific compound such as 1,2-benzisothiazalin-3-one, water-soluble dyes, water-soluble organic solvents and water, thus showing high lubricity and being suitable for use in ball-point pens and fine tube writing tools. CONSTITUTION:The objective ink is obtained by using (A) water-soluble dye such as Aizen eosin GH, preferably direct dye, (B) water-soluble organic solvents such as ethylene glycol, (C) water and (D) at least one selected from 1,2-benzisothiazalin-3-one, dithio-2,2'-bis(benzmethylamide), polyhexamethylene biguanide hydrochloride, preferably in amounts of 0.5-30wt% of A, 1-40wt% of B, 50- 85wt% of C and 0.05-1wt% of D.</p> |
