HEAT SHRINKABLE FILM WITH (METH)ACRYLATE RESIN CURABLE ADHESIVE

A heat shrinkable label comprises (A) a heat shrinkable film comprising at least one thermoplastic polymer, and (B) a curable adhesive comprising (1) at least one urethane (meth)acrylate resin having an average of about 1 to about 1.6 (meth)acrylate groups per resin molecule, (2) at least one tackif...

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Bibliographische Detailangaben
Hauptverfasser: WILLIAMS, RICHARD K., JR, AMON, MORIS, GHIAM, FARID, F, BLACKWELL, CHRISTOPHER, J, HARMAN, PATRICIA, ANN, RAJAN, SUNDER, R, KAUL, PAYAL
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A heat shrinkable label comprises (A) a heat shrinkable film comprising at least one thermoplastic polymer, and (B) a curable adhesive comprising (1) at least one urethane (meth)acrylate resin having an average of about 1 to about 1.6 (meth)acrylate groups per resin molecule, (2) at least one tackifier, and (3) at least one photoinitiator, where the film has an ultimate shrinkage at 135° C. of at least 15%, and the adhesive has sufficient precure tack, wherein the loop tack of the uncured adhesive is at least 4.3 g/cm2. The heat shrinkable label is useful in high-speed industrial processes such as beverage container labeling.