| 摘要 |
There is provided a pigment composition comprising 100 parts by weight of a pigment and from 0.3 to 30 parts by weight of a colorless or slightly colored aromatic compound having the following general formula (I) <IMAGE> (I) wherein Q represents a residue of an aromatic polycyclic compound which is joined directly or through A to -SO2- radical of the compound of the formula (I), A represents a member selected from the group consisting of -O-, <IMAGE> -S-, -CO-, -SO2-, <IMAGE> a divalent phenylene residue and a combination thereof, in which R4 and R5 represent, independently, a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R1 and R2 represent, independently, a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, or together form a heterocyclic ring together with N* in the formula (I), R3 represents a hydrogen atom or an alkyl group containing from 1 to 20 carbon atoms, m is an integer of from 1 to 6 and n is an integer of from 1 to 3, as well as the use of such a pigment composition to color polyolefins, polyesters, vinyl resins, offset printing ink vehicles, gravure printing inks, nitrocellulose lacquers, room temperature drying or baking paints, urethane resin paints and the like.
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