ABSTRACT
Pressure-sensitive adhesives possess adhesion, required for bonding and debonding, and cohesion necessary against debonding. Adhesion is at a maximum at zero interfacial energy. The influence of the surface properties of the carrier material and of the adherent on the adhesive performances together with the effect of the experimental conditions. Experimental data reveal a complex dependence of the shear on the coating weight. Above a minimum coating weight level the shear values decrease with increasing coating weight. The strong influence of the coating weight on the drying has an indirect effect on the adhesive characteristics. The equilibrium water content of the paper and water-based pressure-sensitive adhesives layer depends on the drying degree. A low degree of crosslinking improves the cohesion and thus the peel, whereas a high crosslinking degree lowers the tack and the peel. A low degree of crosslinking the cohesion and the peel, a high crosslinking degree lowers the tack and the peel.
