Kain Industrial Additive: The role of water-based polyurethane resin in inks

First of all, let me introduce that water-based polyurethane resin is a type of polymer whose main chain contains -NHCOO- repeating structural units. It is polymerized by isocyanate (monomer) and hydroxyl compound. Because it contains a highly polar urethane group and is insoluble in non-polar groups, it has good oil resistance, toughness, wear resistance, aging…