Abstract: An improved hot-melt-type adhesive is improved by including in the hot-melt-type adhesive the reaction product of pine rosin with formaldehyde. The addition of the pine rosin/formaldehyde reaction product improves the separation of the adhesive from the substrate in an alkaline washing bath. The adhesive precipitates as a coarsely dispersed non tacky form and can be easily removed from the washing bath.

Abstract: The invention is an adhesive system for applying wrap around labels to containers. The system comprises a hotmelt pick-up adhesive which is active at the temperature which the label is applied and loses its bonding ability after the adhesive sets and an overlap adhesive for bonding the label overlap. At its application temperature, the pick-up adhesive has significantly higher adhesiveness, measured at its application temperature than at its conventional storage temperature. In addition, the adhesive preferably has a greater affinity for the label than for the container bearing the label. Consequently, the label can be easily removed from the hollow body without leaving residues of adhesive. If, nevertheless, a residual adhesive should remain on the hollow body, it can be dissolved by an alkaline solution.