The principle of solvent-free compounding

The solvent-free laminating machine uses solvent-free adhesives to combine different materials at the molecular level through mechanical force without the use of solvents.In this process, the solvent-free polyurethane adhesive becomes a low-viscosity flowable liquid after heating, which is suitable for coating and can form a strong bond at room temperature.

Specific steps:

Adhesive preparation--Coating--Complex--Ripening