| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dispersing agent which does not affect surface tension of ink for offset printing and to give high fluidity and excellent dispersion stability to printing ink. <P>SOLUTION: The ink for offset printing comprises 5-30 wt.% of a pigment, 20-50 wt.% of a binder resin, 0.05-10 wt.% of a rosin-modified alkyd resin, 1-40 wt.% of a vegetable oil, and 1-45 wt.% of a solvent. The rosin-modified alkyd resin of the ink for offset printing is a resin modified by 2-30 wt.% of rosin based on the total amount of the resin. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
