Development general of solvent-free polyurethane laminating adhesives for flexible packaging

The development general of solvent-free polyurethane(PU) laminating adhesives for flexible packaging were introduced at home and abroad, and the mostly problems and the development trend on solvent-free laminating adhesives were described. The environment friendly solvent-free laminating adhesives will be used rapidly and widely in the laminate flexible packaging industry with need of environment protection.