| 摘要 |
PROBLEM TO BE SOLVED: To provide printing ink that exhibits excellent printing aptitude and low temperature stability even in a non-toluene solvent system and that ensures blocking resistance and lamination aptitude.SOLUTION: The printing ink exhibits excellent printing aptitude and low temperature stability and ensures blocking resistance and lamination aptitude when the printing ink contains a printing ink binder including a polyurethane resin obtained by the reaction of polymer polyol with a polyisocyanate, wherein the polymer polyol includes not less than 50 wt.% of polyester polyol comprising glycol and a dibasic acid relative to the total amount of the polymer polyol, and the glycol includes not less than 80 wt.% of neopentyl glycol relative to the total amount of the glycol. |
