| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem of how forming a continuous film having water- repellency on the surface of a primary particle to improve the transparency and dispersibility of a disazo yellow pigment. SOLUTION: This disazo yellow pigment is obtained by treating the surface of the primary particle of the disazo pigment with an o/w emulsion obtained by singly or combinatorially using a petroleum resin and a vegetable oil having <=130 iodine value.</p> |
