| abstract |
Water resistant ink compositions comprising (1) a water-soluble dye compound and/or an organic pigment compound, (2) an organosilicon compound prepared by hydrolyzing (A) a hydrolyzable silane obtained by reacting a specific aminated organic group-bearing hydrolyzable silane with a specific acrylic acid or acrylic ester compound, or a partial hydrolyzate thereof, and (B) another specific hydrolyzable silane or a partial hydrolyzate thereof, and (3) water have excellent water-resistance, good storage stability, good ink discharge stability, and outstanding color stability. The ink compositions are well suited for ink-jet printing. |