| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide W/O type emulsion ink for a stencil printer including in the oil phase at least a rosin-modified phenol resin or soybean fatty acid alkyd resin, which can suppress agglomeration of pigment even if the ink is preserved at high temperature for a long period, and further can make good acquaintanceship with pigment on the stencil paper even in a case of non-use condition of a drum for long periods. <P>SOLUTION: In the W/O type emulsion ink for a stencil printer composed of an oil phase and a water phase, a rosin-modified phenol resin and a soybean fatty acid-alkyd resin in the oil phase are included in the ink, and a pigment surface-treated with barium sulfate is used as a coloring material. <P>COPYRIGHT: (C)2012,JPO&INPIT |
