| 摘要 |
PURPOSE: A nonpolar liquid and solid phase change ink composition is provided to enable reliable ejection and printer head reliability and to reduce a loading amount of pigments. CONSTITUTION: An ink composition comprises: a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition comprises: a benzimidazolone pigment; and a sterically bulky stabilizer compound associated non-covalently with the benzimidazolone pigment, wherein the sterically bulky stabilizer compound comprises a substituted pyridine derivative. The presence of the associated stabilizer limits an extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
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