| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a printing ink composition which has an improved emulsification balance, gives stable printed matter, and can decrease the amount of dampening water used. SOLUTION: This ink composition contains 5-30 wt.% water particles having particle diameters of 2-10μm, is used for keyless newspaper offsets, and includes a printing ink composition containing a rosin-modified phenol resin having a mol.wt. of 50,000-120,000 and an acid value of 25 or lower as a resin component.</p> |
