Hot-melt pressure-sensitive adhesives (HMPSAs) have become important in the manufacture of pressure-sensitive labels. Several types of styrenic block copolymers (SBCs) are used to formulate HMPSA adhesives.

Today’s hot-melt formulators face many challenges, including variations in the availability of raw material supply and the pressure to reduce formulation costs. High-efficiency polymers can help formulators by reducing formulation viscosity or increasing formulation flexibility, which allows for the exchange of resin or oil for polymers.