Adhesive for labels, a label and label laminate
AssigneeUpm Raflatac Oy
InventorsJohanna Karhu, Tom Saxberg
Life of this patent
Estimating the term…
Abstract
The invention relates to an adhesive composition, labels and label laminates containing the adhesive composition, wherein the adhesive composition comprises at least the following components: polymer(s) based on alkyl acrylic ester(s) and pressure polymerized vinyl acetate ethylene copolymer(s) comprising ethylene content between 5 and 40%. Further the invention relates to use of an adhesive composition for label laminates and labels, to use of a label for labelling of an item and to a labelled item.
Claims16
A pressure sensitive adhesive composition for wash-off labels detaching from the surface labelled at the washing conditions comprising a temperature in the range of 60-90° C. and alkaline aqueous solution, where the adhesive composition consists of the following components:
- between 70 and 85 weight percent (dry weight) of poly(alkyl acrylate(s));
- between 15 and 30 weight percent (dry weight) of pressure polymerized vinyl acetate ethylene copolymer(s) comprising an ethylene content between 5 and 40%;
- between 0.5 and 2 wt. % of a surface active agent including a hydrophilic part containing negatively charged groups;
- and
- optionally, modifier(s), thickener(s), foam inhibitor(s), pH adjusting agents), or a combination thereof.
Dependencies are inferred from the claim text.