| 摘要 |
<p>PURPOSE:To obtain the above composition having excellent storage stability, erasability and fluidity, by blending ink with pigment, a resin having a specific film-forming temperature, organic solvent and water in a specific ratio. CONSTITUTION:Ink is blended with (A) 1-50% pigment such as carbon black or phthalocyanine Blue, (B) 3-50% resin (e,g., acrylic resin, acryl-styrene copolymer resin, ethylene-vinyl acetate-vinyl chloride copolymer resin, acryl-vinyl acetate resin, carboxylated SBR or styrenic resin) having >=40 deg.C (preferably >=50 deg.C) film-forming temperature, (C) 0.5-50% organic solvent comprising a (di)alkylene glycol, polyalkylene glycol or glycerin and (D) 7-60% water.</p> |
