WATER-DISPERSIVE INK COMPOSITION FOR PAPER COLORING

摘要

PURPOSE: Provided is a water-dispersive ink composition for paper, which has reinforced stickiness of pigment to fiber, uniform coloration, easy workability, and low foaming property. CONSTITUTION: The composition comprises 10-50 wt% of pigment selected from the group consisting of inorganic pigment, organic pigment, and functional pigment, 1-30 wt% of at least one binder selected from polyacrylamide salt, methacrylamide salt, epichlorohydrin-acrylamide, methacrylamide, vinylimidazoline of acrylamide or methacrylamide, vinylamine copolymer, alkylacryl or methacryl and acrylamide polymer, polyethyleneimine and polyamidoamine, and polyethyleneamine, 1-30 wt% of at least one dispersant selected from the group consisting of higher alcohol, butoxy ethylene glycol, butoxy propylene glycol, polypropylene glycol, polyethylene glycol, and a copolymer thereof, 0.005-3 wt% of antifoaming agent selected from the group consisting of isopropanol amines, stearic acid propanolamide, dodecylbenzene sulfonic acid-isopropanolamine salt, paraffin oil, fatty acid ester, phosphate ester, and silicon oil, and the rest of water.