Patent ID: 7238149

Claim:
A process for forming a carton from paperboard stock comprising the steps: applying an aqueous based adhesive to select parts of a paperboard carton blank obtained from a paperboard feedstock; drying the aqueous based adhesive; folding the select parts of the adhesive coated carton blank onto cooperating parts of the paperboard blank; and, heat sealing the select and cooperating parts thereby forming the carton; wherein the aqueous based adhesive is comprised of a semi-crystalline vinyl acetate/ethylene polymer emulsion formed by emulsion polymerization and having (a) a crystalline melting point (T m ) ranging from 35 to 110° C., measured at a heat rate of 20° C./minute and, (b) a tensile storage modulus of at least 1×10 4 dynes/cm 2 at 115° C. measured at 6.28 rad/sec.