| 摘要 |
<p>The present invention relates to a easily dispersible pigment composition for non-aqueous vehicles, comprising 100 wt. parts of organic pigment or inorganic pigment and 0.5-15 wt. parts of tetracarboxylic acid diimide compound having the following formula [I], and a method for dispersing pigment in non-aqueous vehicle,comprising use of 0.5-15 wt. parts of the compound having the following formula [I] per 100 wt. parts of organic or inorganic pigment. <CHEM> In the formula [I], Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R<1> and R<2> are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.</p> |
