There are many principles for the adhesion of water-based polyurethane resins to metal surfaces. Such as mechanical occlusal bonding theory, electrostatic theory, adsorption theory, diffusion theory, acid-base use theory and chemical bond theory. In general, adhesion is the result of a combination o... read more
In recent years, water-based polyurethane has become more and more popular. With the advantages of safety, environmental protection, odorless, transparency, color, and easy cleaning, it quickly eliminates the previous paints with pungent odor and harmful substances to the body. Then let everyone kno... read more
In order to adjust the viscosity of the polyurethane adhesive to facilitate the process operation, a solvent is often used in the preparation and use of the polyurethane adhesive. Through the dilution of the solvent, the adhesive can be better coated on the composite film. Most of the current polyur... read more
Waterborne polyurethane (PU) dispersions or emulsions are replacing solvent-based products in coatings, adhesives and inks. Nonetheless, pure waterborne PU dispersions have certain inherent defects. In order to obtain stable waterborne dispersions, hydrophilic groups such as carboxyl, sulfonic acid,... read more
Compared with traditional solvent-based coatings, water-based coatings have the advantages of low price, safe use, saving resources and energy, reducing environmental pollution and pollution, and thus have become the main direction of the current development of the coatings industry. Water-based acr... read more