LABELS WITH WATER-SOLUBLE UV CURABLE ADHESIVES

The invention relates to a method for gluing labels on hydrophobic substrates, wherein a radiation cross-linking, pressure-sensitive adhesive is applied on the label or on the substrate on a surface opposite to the label and irradiated with UV or electron radiation, and label and substrate are then...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOENNIESSEN, HOLGER, SEILER, ANNIE, RAUBERGER, RAINER, GRAUEL, RALF
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention relates to a method for gluing labels on hydrophobic substrates, wherein a radiation cross-linking, pressure-sensitive adhesive is applied on the label or on the substrate on a surface opposite to the label and irradiated with UV or electron radiation, and label and substrate are then brought together and glued to one another. The pressure-sensitive adhesive is soluble in aqueous solutions. The label is selected from i) water permeable labels with a water uptake (Cobb value) greater than 0.2 g/m2 per 20 sec, and ii) perforated labels which have perforations or cut-outs of less than 10% on the glued surfaces. Furthermore, the invention describes a label, coated with a water-soluble, radiation curable, pressure sensitive adhesive, which has a high water uptake and/or optionally perforations or cut-outs on the glued surface.