Biodegradable pressure-sensitive adhesive
AssigneeTesa SE
InventorsTobias BLÖMKER, Maike STREBL
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Abstract
A biodegradable pressure-sensitive adhesive which can be readily coated indirectly onto biodegradable carriers, which comprises at least 60 wt % of at least one polyurethane, and at least one sulfonated carboxylic ester; and a method for producing a biodegradable adhesive tape, which comprises providing a pressure-sensitive adhesive of the invention as a dispersion in at least one organic solvent; coating this dispersion onto a release liner; removing the organic solvent; and transferring the pressure-sensitive adhesive onto a biodegradable carrier.
Claims12
A biodegradable pressure-sensitive adhesive comprising
- at least 60 wt % of at least one polyurethane, and
- at least one sulfonated carboxylic ester.
A wetting agent in the coating of polyurethane-based pressure-sensitive adhesives onto carrier materials, comprising a sulfonated carboxylic ester.
Dependencies are inferred from the claim text.