Plastic heat-activated adhesive labels

Details Plastic heat-activated adhesive labels Plastic heat-activated adhesive labels

1997-12-24

2000-03-28

Le, Hoa T.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156230, 156277, 156305, 1563082, 156311, 156321, 156388, 156DIG3, 156DIG9, 156DIG11, 156DIG21, 156DIG36, 156DIG43, 428335, 428337, 428343, 428355R, B32B 316, B32B 712, B41M 3100, C09J 506

Patent

active

060429305

ABSTRACT:
A multilayer film useful for making plastic adhesive labels for glass substrates such as glass bottles. The multilayer films contain a base layer, an adhesive layer, and optionally an intermediate layer to improve interlayer bonding between the base layer and the adhesive layer. The adhesive layer comprises a heat-activated thermoplastic adhesive that is not tacky at room temperature. Films of the present invention are sufficiently non blocking at room temperature so as to not require the use of a separate release liner. The film can be utilized in conventional graphics printing operations and made into labels. Labels made from films of the present invention can be thermally adhered to glass substrates and exhibit sufficient adhesion to glass substrates to withstand washing/rinsing, filling, and pasteurization processes utilized in the bottling industry.

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