Abstract: Pressure-sensitive adhesive (PSA) strips, configured or adapted for the residue-free and non-destructive removal by which by substantially expanding it in the plane of adhesion, are provided. The PSA strips comprise at least one adhesive compound layer consisting of a PSA compound, constituted by vinyl aromatic block copolymers and one or more adhesive resins, at least 75 wt.-% (relative to the total amount of resin) of a resin being selected that has a DACP (diacetone alcohol cloud point) of greater than ?20° C., and a softening point (ring & ball) of greater than or equal to 70° C., and the PSA compound has being foamed.
Type:
Application
Filed:
August 26, 2019
Publication date:
December 26, 2019
Applicant:
tesa SE
Inventors:
Anna BLAZEJEWSKI, Axel BURMEISTER, Franciska LOHMANN, Anika PETERSEN
Abstract: Primer for adhesive tape with improved adhesion promoting properties, comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one copolymer obtained by copolymerization of a monomer mixture comprising an amount of at least 90 wt % of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group, at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.
Type:
Grant
Filed:
August 27, 2015
Date of Patent:
December 24, 2019
Assignee:
TESA SE
Inventors:
Sebastian Dietze, Kai Ellringmann, Marco Kupsky, Duc Hung Nguyen, Uwe Schümann
Abstract: Dispensers, systems and methods dispense strips of a first adhesive tape which have adhesive on both sides and on one side is covered with a liner. A first storage unit from which the first adhesive tape is drawn off is provided, and a second storage unit from which a second adhesive tape is drawn off is provided. A connection installation by means of which the first adhesive tape and the second adhesive tape are interconnected so as to form a two-ply adhesive tape is provided, and an application installation by means of which the two-ply adhesive tape as a composite is capable of being applied to a substrate is provided.
Abstract: Process for producing a pressure-sensitive adhesive comprising expanded microballoons, wherein the constituents for forming the adhesive are mixed in a first mixing assembly, the mixed adhesive is transferred into a second mixing assembly into which, at the same time, unexpanded microballoons are fed, the microballoons are expanded in the second mixing assembly or on exit from the second mixing assembly, the adhesive mixture with the expanded microballoons is shaped to a layer in a shaping assembly in which expanded microballoons which have broken through the surface are pressed into the layer surface and the layer of adhesive mixture together with the expanded microballoons are optionally applied to a weblike backing material.
Type:
Application
Filed:
July 31, 2019
Publication date:
December 12, 2019
Applicant:
tesa SE
Inventors:
Franziska CZERWONATIS, Axel BURMEISTER, Sabine BHANDARI, Christian KREFT, Stephan BÜNZ
Abstract: Adhesive tape for the on-the-fly roll changeover of flat web material wound up into rolls, comprising a carrier layer having a first surface and a second surface, a first layer of adhesive on the side of the first surface over at least part of the area, and a second layer of adhesive on one or more areas of the second surface, wherein the adhesive tape has regions suitable for areal splitting, at least those areal regions of the second surface on which the second layer of adhesive is provided being surface coated, the forces of adhesion of the lower layer of adhesive to the surface coating being greater than the forces of adhesion of the surface coating to the carrier layer, and/or the forces of adhesion of the lower layer of adhesive to the surface coating being greater than the forces of cohesion within the surface coating.
Type:
Grant
Filed:
July 27, 2016
Date of Patent:
December 3, 2019
Assignee:
TESA SE
Inventors:
Niels Czerwonatis, Kerstin Götz, Jens Nootbaar, Marco Walper
Abstract: Diecuts are configured for permanent closing of holes and have a carrier comprising an assembly of at least two polymeric films. An upper film of the at least two polymeric films has a basis weight of at least 1.0 kg/m2 and a lower film of the at least two polymeric films consisting of at least two layers, wherein a first layer is in the form of a polymeric film and faces the upper film, and a second layer is in the form of a functional layer with a side of the lower film, facing away from the upper film, bears an applied adhesive composition.
Abstract: Bridge tape with directed foam expansion comprised of thermally foamable composition, useful for applying coating material through holes in the tape to a substrate beneath the tape, after which the holes can be sealed by heating to cause the foamable composition to foam and the foam to seal the holes.
Type:
Grant
Filed:
August 22, 2016
Date of Patent:
November 19, 2019
Assignee:
TESA SE
Inventors:
Robert Fallon, Elliot Sedlecky, Patrick Boecker, Andreas Meier
Abstract: A method for producing a foamed thermally crosslinked mass system, wherein the mass system is foamed at a first temperature in a first step, and crosslinker substances are added to the mass system in a subsequent step at a second temperature lower than the first temperature, wherein the crosslinker substances are crosslinker substances for thermal crosslinking of the mass system.
Type:
Grant
Filed:
April 26, 2017
Date of Patent:
October 29, 2019
Assignee:
TESA SE
Inventors:
Franziska Czerwonatis, Stephan Schönbom, Axel Burmeister, Volker Lass
Abstract: A wrap for bundling cable, comprising: a multilayer wrap that comprises: (a) an outermost layer comprising a first polymer textile; (b) an innermost layer comprising a second polymer textile; and (c) an adhesive layer between the outermost and innermost layers, wherein the first and second textiles differ from one another, wherein the multilayer wrap comprises an abrasion resistance that exceeds an abrasion resistance of the innermost and outermost layers alone, as measured under the ISO 6722 Standard, and further wherein the multilayer wrap comprises a damping resistance of at least class B, as measured under the LV 312 Standard.
Abstract: Disclosed is a composite film comprising a coating layer, a polymer film layer, and an adhesive layer, the coating layer being joined to one major surface of the polymer film layer, and the adhesive layer being joined to the opposite major surface of the polymer film layer, in such a way that the polymer film layer is embedded between the coating layer and the adhesive layer. Self-healing properties of the coating and elastic properties of the film act synergistically in such a way that the protective film exhibits a wear resistance which is achieved by neither coating nor film alone.
Type:
Application
Filed:
July 3, 2017
Publication date:
October 10, 2019
Applicant:
TESA SE
Inventors:
Monika JUNGHANS, Klaus KEITE-TELGENBÜSCHER
Abstract: The invention relates to a pressure-sensitive adhesive strip, for the residue-free and nondestructive removal by which by substantially expanding it in the plane of adhesion, comprising an adhesive compound layer, said adhesive compound layer consisting of a pressure-sensitive adhesive compound, constituted by vinyl aromatic block copolymers and adhesive resins, at least 75 wt.-% (relative to the total amount of resin) of a resin being selected that has a DACP (diacetone alcohol cloud point) of greater than ?20° C., preferably greater than 0° C., and a softening point (ring & ball) of greater than or equal to 70° C., preferably greater than or equal to 100° C., and the pressure-sensitive adhesive compound being foamed.
Type:
Grant
Filed:
March 29, 2016
Date of Patent:
October 8, 2019
Assignee:
TESA SE
Inventors:
Anna Blazejewski, Axel Burmeister, Franciska Lohmann, Anika Petersen
Abstract: Disclosed is an adhesive composition comprising: (a) at least one kind of a saturated vinylaromatic block copolymer, (b) at least one kind of a first tackifier resin, which is a hydrocarbon resin having a DACP?+25° C. and an MMAP?+60° C., and also either (c1) at least one kind of a second tackifier resin, having a DACP?0° C. and an MMAP?+30° C., and (d1) at least one kind of an aliphatic or cycloaliphatic alkyl ester as a plasticizer, or (c2) at least one kind of a second tackifier resin, having a DACP?0° C. and an MMAP?+30° C., and (d2) at least one kind of an aliphatic or cycloaliphatic alkyl ester as a plasticizer, and also (e) optionally further additives. The adhesive composition combines high ageing stability with exceptional aptitude for bonding on porous and also on fibrous materials.
Type:
Application
Filed:
March 22, 2019
Publication date:
September 26, 2019
Applicant:
tesa SE
Inventors:
Martin Tassilo FENSKE, Thilo DOLLASE, Daniel SCHMITZ-STAPELA
Abstract: A pressure-sensitive adhesive comprising at least 60 wt % of a polymer blend, where the polymer blend consists of a first polymer component A, a second polymer component B, and optionally one or more further polymer components (C, D, . . . ), where the first polymer component A is present at not less than x wt % in the polymer blend, where 90?x?99, and where the second polymer component B and any further polymer components C, D, . . . present are present in total at y wt % in the polymer blend, where y=100?x, where each polymer component (A, B, C, . . . ) derives to an extent of at least 60 wt % from (meth)acrylic monomers, wherein none of the polymer components (A, B, C, . . . ) is homogeneously miscible at room temperature with any of the other polymer components (A, B, C, . . . ), and so a multi-phase system is present.
Type:
Grant
Filed:
April 28, 2017
Date of Patent:
September 24, 2019
Assignee:
TESA SE
Inventors:
Benjamin Pütz, Nils Thebud, Lisa Wieghardt
Abstract: An adhesive comprising a getter material and optionally a solvent comprising a catalyst activatable by means of an external stimulus for the reaction of the getter material with a permeate can tolerate brief contact with permeates such as moisture in particular before user application, without any significant impairment of getter capacity.
Type:
Application
Filed:
June 3, 2019
Publication date:
September 19, 2019
Applicant:
TESA SE
Inventors:
Christian SCHUH, Klaus KEITE-TELGENBÜSCHER, Chris GÄBERT
Abstract: A thermally vulcanizable pressure-sensitive adhesive comprising a chemically precrosslinked, pressure-sensitively adhesive polybutadiene-polyurethane and ground sulfur, which during the heating phase remains pressure-sensitively adhesive, does not liquefy and hence in this phase, in which the vulcanization has not yet started and the curing has not yet commenced, has shear strength at least under load to moderate low, is able to transmit forces and hence to perform holding, a process for producing it, an adhesive tape comprising this pressure-sensitive adhesive, and a process for producing the adhesive tape.
Type:
Application
Filed:
March 14, 2019
Publication date:
September 19, 2019
Applicant:
tesa SE
Inventors:
Uwe SCHÜMANN, Sebastian DIETZE, Christine BÖHM, Marten PAPENBROOCK
Abstract: The invention relates to a method for reducing an end face stickiness a roll (21) of adhesive tape, by supplying a precursor (4) comprising organic polyfunctional silanes to a plasma stream, directing the plasma stream enriched with the precursor (4) at the roll end face (20), and coating the roll end face (20) with an SiOx coating.
Abstract: Reactive adhesive film, comprising (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive resin, and (c) a reagent selected from the group consisting of a radical initiator and an activator, and a reactive 2-component adhesive film system for bonding various materials, such as metal, wood, glass and/or plastic.
Type:
Grant
Filed:
June 5, 2014
Date of Patent:
September 3, 2019
Assignee:
TESA SE
Inventors:
Uwe Schümann, Daniel Schmitz-Stapela, Sven Reiter, Thilo Dollase
Abstract: Multi-layer composites and methods of using the composites as a membrane for electroacoustic transducers. The composites and methods comprise at least one first and one second outer layer, wherein at least one of the cover layers being made from a polypropylene sulfide-plastic having a halogen content not exceeding 550 ppm.
Abstract: Methods produce a folded connection, sealed by means of an adhesive composition and by means of first and second sheetlike elements, wherein a flange of the first sheetlike element, having a first surface (11) and a second surface (12), is taken back over a flange of the second sheetlike element. The methods apply at least one layer of an adhesive composition to the flange of the first sheetlike element, bead the flange of the first sheetlike element around the flange of the second sheetlike element, and apply the adhesive composition to both the first and second surfaces of the flange of the first sheetlike element.
Type:
Application
Filed:
October 16, 2017
Publication date:
August 22, 2019
Applicant:
tesa SE
Inventors:
Klaus KEITE-TELGENBÜSCHER, Christian SCHUH
Abstract: Release liners and methods protect one or more adhesives, wherein the release liners and/or methods comprise at least one abhesive release layer and at least one layer of a getter material capable of sorbing at least one permeable substance, wherein the getter material is at least one substance selected from the group consisting of lithium, beryllium, boron, sodium, magnesium, potassium, calcium, manganese, iron, nickel, zinc, gallium, germanium, cadmium, indium, caesium, barium, boron oxide, calcium oxide, chromium oxide, manganese oxide, iron oxide, copper oxide, silver oxide, indium oxide, barium oxide, lead oxide and mixtures of two or more of the above substances.
Type:
Grant
Filed:
June 19, 2017
Date of Patent:
August 20, 2019
Assignee:
TESA SE
Inventors:
Bernd Lühmann, Klaus Keite-Telgenbüscher, Minyoung Bai, Thilo Dollase