| abstract |
Water resistant ink compositions comprising (1) anwater-soluble dye compound and/or an organic pigmentncompound, (2) an organosilicon compound prepared bynhydrolyzing (A) a hydrolyzable silane obtained by reactingna specific aminated organic group-bearing hydrolyzablensilane with a specific acrylic acid or acrylic esterncompound, or a partial hydrolyzate thereof, and (B) anothernspecific hydrolyzable silane or a partial hydrolyzatenthereof, and (3) water have excellent water-resistance,ngood storage stability, good ink discharge stability, andnoutstanding color stability. The ink compositions are wellnsuited for ink-jet printing. |