Water-based polyurethane glue

Water-based polyurethane adhesive refers to the adhesive formed by dissolving or dispersing polyurethane in water. Some people also call water-based polyurethane as water-based polyurethane or water-based polyurethane. In practical applications, water-based polyurethanes are mostly polyurethane emulsions or dispersions, and less aqueous solutions. Water-based polyurethane uses water as the basic medium, and has the advantages of non-combustibility, low odor, no environmental pollution, energy saving, and convenient operation and processing. And the polyurethane adhesive has the advantages of good flexibility and hardness and other properties, as well as low temperature resistance, good flexibility, and high bonding strength.

Compared with water-based polyurethane adhesive and solvent-based polyurethane, water-based polyurethane adhesive has the following characteristics:

1. It does not contain NCO, which means that there is no free isocyanate and it is completely non-toxic.
2. The viscosity of water-based adhesives is smaller than that of solvent-based adhesives.
3. Water-based polyurethane adhesives dry slowly.
4. The water-based polyurethane adhesive can be mixed with a variety of water-based resins to improve performance or reduce costs.
5. The water-based polyurethane adhesive has little smell, is easy to operate, and easy to clean up the residual glue.

Waterborne polyurethane adhesives are widely used, including:

1. Leather coating polyurethane material is flexible and wear-resistant, and can be used as coating agent and wound repair agent for natural leather and artificial leather.
2. Fabric coating can be used as a coating agent for various fabrics, such as canvas, clothing fabrics, and conveyor belt coatings.
3. Fiber treatment agent Cotton fibers and chemical fibers are impregnated with a dilute solution of polyurethane emulsion, dehydrated and heat treated to improve hand feel, crease resistance and shrinkage resistance.
4. Plastic coating Nylon, ABS and other surface coatings.
5. The floor coating can be used for the coating of gymnasium, indoor wooden floor, and the coating of concrete floor. It is wear-resistant, impact-resistant and has good gloss.
6. Coating of other materials, such as paper coating, automotive interior decoration coating.
7. Primer.
8. Manufacture of various laminated products, including: plywood, composite plastic films for food packaging, fabric laminates, laminates of various thin-layer materials, such as flexible PVC plastic films or plastic sheets with other materials (such as wood) , fabric, paper, leather, metal) laminates.
9. Flocking adhesives, artificial leather adhesives, glass fiber and other fiber bundle adhesives, ink adhesives.
10. Bonding of common materials, such as bonding of car interior decoration materials and bonding of sports shoes.

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