STABLE PRESSURE SENSITIVE SHRINK LABEL TECHNIQUE

Heat shrinkable labels formed of a layer (16) of a polyolefin such as polypropyl ene have a permanent acrylic pressure sensitive adhesive (20) on one surface thereof. and may be mounted on a release coated backing strip (12). A layer (22) and/or graphics (24) may be applied to the labels. and the gr...

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Bibliographische Detailangaben
Hauptverfasser: WILSON, DOUGLAS WAYNE, COWARD, RODERICK THOMAS, LIN, KENNETH S. C
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:Heat shrinkable labels formed of a layer (16) of a polyolefin such as polypropyl ene have a permanent acrylic pressure sensitive adhesive (20) on one surface thereof. and may be mounted on a release coated backing strip (12). A layer (22) and/or graphics (24) may be applied to the labels. and the graphics may be prote cted by varnish (34) or a second layer (18) of heat shrinkable polyolefin material. The graphics may be formed of a metal color ed ink (86. 90. 94) which may have highly reflective metal flakes. and in some cases the metallization layer may be omitted. In a sim ple embodiment the graphics (94) may be reverse printed on the lower surface of the polypropylene layer (92) adjacent the pressu re sensitive adhesive layer (20). The label has low shrink-back properties under high ambient temperature storage conditions , following application to a product. of less than three percent.