| 摘要 |
PROBLEM TO BE SOLVED: To obtain a composition giving high quality printing, excellent in light stability and resistance to water and minimizing bleeding, etc., and excellent in durability of a printed image on a sheet of plain paper by including a specific liquid alcohol vehicle, a specific solid alcoholic component, a specific quaternary compound, a light-resistant UV absorber, a photoresistant antioxidant and a coloring agent. SOLUTION: This ink composition contains (A) a liquid alcoholic vehicle (e.g. benzyl alcohol) having about 5-40 dB/mm acoustic loss, (B) a solid alcoholic component (e.g. 3-methoxycatechol) having about 35-74 deg.C melting point and about 25-80 dB/mm acoustic loss, (C) a quaternary compound (e.g. perfluorodecyl = iodide)having about 40-80 deg.C melting point, (D) a light-resistant UV absorber (e.g. glycerol = 4-aminobenzoate), (E) a photo-resistant antioxidant (e.g. N- stearoyl-4-aminophenol) and (F) a coloring agent. |
