| 摘要 |
The present invention relates to a polyurethane lamination which comprises: a hot melt polyurethane layer having heat sealing strength greater than or equal to 3.0 kg/cm^2; and an additional layer coupled to the hot melt polyurethane layer and, more specifically, to a polyurethane lamination comprises: a solvent-type hot melt polyurethane layer including a polyol having at least one polyol having molecular weight less than 2000; and an additional layer coupled to the hot melt polyurethane layer, as a solvent-type hot melt polyurethane layer derived from at least one polyol. |
