USE OF AN ADHESIVE TAPE COMPREHENSIVELY WITH A BIO-BASED CARRIER MATERIAL CONTAINING A BIO-BASED POLYESTER FOR WRAPPING LONG-STRENGTH GOODS

Abstract

Use of an adhesive tape for sheathing cable sets, wherein a) the adhesive tape is applied in a helical line around the cable set or b) the cable assembly is wrapped in the axial direction by the tape, wherein the tape comprises a bio-based carrier material, the bio-based carrier material being in the form of sheet elements comprising fabric and / or mesh fabric containing a bio-based polyester wherein - on at least one of the two surfaces of the bio-based carrier material - at least one adhesive compound is present that has partially or completely sunk into the substrate can, - optionally, at least one cover material and / or transfer material is present, characterized by the fact that The bio-based polyester is based on at least two different bio-based monomers obtained from biomass-containing carbohydrates, wherein at least one bio-based monomer is a furan derivative according to formula I, in each case independently of one another - R1 is a carboxy group and contains as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, optionally containing O, N or S atoms, or is a carboxylic acid group or is an anhydride, - R2 is a carboxy group and comprises as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, or is a carboxylic acid group or is an anhydride, The second bio-based monomer is a hydroxy-functional compound comprising 1 to 100 carbon atoms, wherein the polyester has a mean molecular weight Mw greater than or equal to 1,000 g / mol (measured according to the measurement method specified in the description) and the proportion of bio-based monomers in the bio-based polyester is greater than or equal to 55 mol% with respect to all monomers of the polyester, wherein the proportion of bio-based monomers of the bio-based polyester is determined by the ratio of 14 C / 12 C-carbon atoms.

Description

[0001] Regarding European patent 3 071 625 (DE 50 2014 015 819), the 3rd Senate (Voidance Senate) of the Federal Patent Court, based on the oral proceedings of November 11, 2025, has ruled as follows: I. The European patent EP 3 071 625 is partially declared invalid for the territory of the Federal Republic of Germany by being given the following wording: 1. Use of an adhesive tape for sheathing cable sets, wherein a) the adhesive tape is applied in a helical line around the cable set or b) the cable assembly is wrapped in the axial direction by the tape, the tape comprising a bio-based carrier material, the bio-based carrier material being in the form of sheet elements comprising fabric and / or mesh fabric containing a bio-based polyester where - on at least one of the two surfaces of the bio-based carrier material - at least one adhesive compound is present that has partially or completely sunk into the substrate can, - optionally, at least one cover material and / or transfer material is present, characterized by the fact that The bio-based polyester is based on at least two different bio-based monomers obtained from biomass-containing carbohydrates, wherein at least one bio-based monomer is a furan derivative according to formula I, in each case independently of one another - R1 is a carboxy group and contains as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, optionally containing O, N or S atoms, or is a carboxylic acid group or is an anhydride, - R2 is a carboxy group and comprises as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, or is a carboxylic acid group or is an anhydride, The second bio-based monomer is a hydroxy-functional compound comprising 1 to 100 carbon atoms, wherein the polyester has a mean molecular weight Mw greater than or equal to 1,000 g / mol (measured according to the measurement method specified in the description) and the proportion of bio-based monomers in the bio-based polyester is greater than or equal to 55 mol% with respect to all monomers of the polyester, wherein the proportion of bio-based monomers of the bio-based polyester is determined by the ratio of 14 C / 12 C-carbon atoms.

[0002] Claims 2 to 6 as granted.

Claims

[1] Use of an adhesive tape for sheathing cable sets, wherein a) the adhesive tape is applied in a helical line around the cable set or b) the cable assembly is wrapped in the axial direction by the tape, wherein the tape comprises a bio-based carrier material, the bio-based carrier material being in the form of sheet elements comprising fabric and / or mesh fabric containing a bio-based polyester wherein - on at least one of the two surfaces of the bio-based carrier material - at least one adhesive compound is present that has partially or completely sunk into the substrate can, - optionally, at least one cover material and / or transfer material is available characterized by , that The bio-based polyester is based on at least two different bio-based monomers obtained from biomass-containing carbohydrates, wherein at least one bio-based monomer is a furan derivative according to formula I, in each case independently of one another - R1 is a carboxy group and contains as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, optionally containing O, N or S atoms, or is a carboxylic acid group or is an anhydride, - R2 is a carboxy group and comprises as a substituent a linear, branched and / or cyclic unsubstituted or substituted hydrocarbon group with 1 to 20 C atoms, or is a carboxylic acid group or is an anhydride, The second bio-based monomer is a hydroxy-functional compound comprising 1 to 100 carbon atoms, wherein the polyester has a mean molecular weight Mw greater than or equal to 1,000 g / mol (measured according to the measurement method specified in the description) and the proportion of bio-based monomers in the bio-based polyester is greater than or equal to 55 mol% with respect to all monomers of the polyester, wherein the proportion of bio-based monomers of the bio-based polyester is determined by the ratio of 14 C / 12 C-carbon atoms. [2] Use of an adhesive tape according to claim 1, characterized by , that the hydroxy functional compound is a monool selected from alcohols, amino alcohols, monohydroxy functional polyethers and / or the hydroxy functional compound is a polyol selected from diols, triols, polyether polyols comprising 1 to 100 carbon atoms, fruit acids, polyhydroxyalkanoates and / or saccharides. [3] Use of an adhesive tape according to claim 1 or 2 , characterized by , that the bio-based monomer of formula I is furan-2,5-dicarboxylic acid, an anhydride, a monoester and / or a diester of furan-2,5-dicarboxylic acid, and the second bio-based monomer is ethylene glycol. [4] Use of an adhesive tape according to at least one of claims 1 to 3, characterized by , that the polyester is a polyethylene furanoate (PEF) of formula IV, which is obtained from the reaction of furan-2,5-dicarboxylic acid or one of its ester derivatives with ethylene glycol, where n is greater than or equal to 2. [5] Use of an adhesive tape according to any one of claims 1 to 4, characterized by , that the polydispersity lies between 1.0 and 1.

9. [6] Use of an adhesive tape according to at least one of claims 1 to 5, characterized by, that the proportion of bio-based monomers in the bio-based polyester is greater than or equal to 75 mol-%, in particular greater than or equal to 80 to 100 mol-% with respect to all monomers of the polyester.