PUR hot melt adhesive compound properties

PUR(Polyurethane Reactive), Chinese full name is moisture curing reactive polyurethane hot melt adhesive. The main component is isocyanate-terminated polyurethane pre-polymerization,. The adhesion and toughness (elasticity) of PUR can be adjusted, and has excellent bonding strength, temperature resistance, chemical resistance and aging resistance. In recent years, it has become one of the important varieties in the adhesive industry.. PUR hot melt adhesive coating composite machine is now widely used in textile, clothing, furniture, automotive interior, packaging and other fabrics composite process.

PUR adhesive is a urethane group (-NHCOO-) or isocyanate group (-NCO) containing polarity and chemical activity in its molecular structure. PUR adhesive has excellent adhesion to materials containing active hydrogen, such as porous materials such as leather, fabric, paper and plastic and other surface smooth materials. Compared with EVA hot melt adhesive and water-based/solvent-based adhesive, PUR has the following advantages:

1. No solvent, no drying process, no environmental pollution and poisoning problems due to solvents, meeting environmental protection requirements, simple bonding process, using sizing methods such as roll coating or spraying, comprehensive design of different styles of PUR hot melt adhesive coating compound machine.

2. PUR hot melt adhesive coating laminating machine is simple to operate, good in control and fast in compounding speed..

3. Products processed by PUR hot melt adhesive coating compound machine: heat resistance, cold resistance, water vapor resistance, chemical resistance and solvent resistance are excellent. Compared with the original hot melt adhesive, the crosslinking structure performance and bonding strength of the reactive hot melt adhesive are greatly improved.