Detachable adhesive strip
AssigneeTesa SE
InventorsThorsten KRAWINKEL, Lesmona SCHERF, Anika PETERSEN, Thilo DOLLASE
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AssigneeTesa SE
InventorsThorsten KRAWINKEL, Lesmona SCHERF, Anika PETERSEN, Thilo DOLLASE
Estimating the term…
The invention relates to an adhesive film strip comprising at least two, particularly three, layers, which adhesive film strip can be detached without residues and nondestructively by expansive stretching substantially in the adhesion plane, with a carrier on which a first external adhesive compound layer is present on at least one side, wherein the adhesive compound layer consists of adhesive compound formed on the basis of vinyl aromatic block copolymers and adhesive resins, wherein at least 75% of the resin (relative to the overall resin content) is selected with a DACP (diacetone alcohol cloud point) of greater than −20° C., preferably greater than 0° C., and the carrier has at least one layer made from a polyurethane with an elongation at break of at least 100% and a restoring power of more than 50%. A nonpolar hydrocarbon resin or a polyterpene resin is particularly used as the tackifier for the adhesive compound(s).
A pressure-sensitive adhesive film strip comprising at least two, which can be detached again without leaving a residue and without causing damage by expansive stretching substantially in the adhesion plane, having a carrier on which a first, outer adhesive composition layer is present at least on one side, wherein
A pressure-sensitive adhesive film strip comprising a single-layer carrier of a polyurethane, wherein the carrier has an elongation at break of at least 100% and a resilience of over 50%, wherein
Dependencies are inferred from the claim text.