ELASTIC POLYURETHANE WITH EXCELLENT SHOCK ABSORPTION AND ECO-FRIENDLY MATERIAL AND MAKING METHOD THEREOF

摘要

The present invention relates to a urethane packaging material using eco-friendly materials and with excellent shock absorption, which comprises: a main agent part including polyol, an isocyanate compound and a plasticizer; and a curing agent part including the polyol, a chain extender, a solvent, heavy calcium carbonate, light calcium carbonate, light filler, a pigment, an additive, and catalyst, wherein the main agent part and the curing agent part are mixed in the ratio of 1 : 1 to 1 : 4, and are constructed.