Patents Assigned to Tesa SE
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Publication number: 20210179899Abstract: Crosslinkable adhesive compound comprising at least a first base polymer component having functional groups suitable for covalent crosslinking and for coordinative crosslinking, and comprising at least one covalent crosslinker and at least one coordinative crosslinker, wherein the coordinative crosslinker is present in molar excess in relation to the covalent crosslinker.Type: ApplicationFiled: January 23, 2017Publication date: June 17, 2021Applicant: TESA SEInventors: Elisabetta ARDENTE, Benjamin PÜTZ, Markus PETERS
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Publication number: 20210155827Abstract: The present invention relates to a method for producing a layer of self-adhesive composition at least partially foamed with microballoons, wherein a foamable layer of self-adhesive composition comprising expandable microballoons and disposed between (i) two liners, (ii) a liner and a carrier, or (iii) a liner and a further layer of self-adhesive composition which (a) is not foamable or (b) is foamable and typically comprises expandable microballoons, is heat-treated at a temperature suitable for foaming for a period such that after the subsequent cooling of the layer the desired degree of foaming is attained, characterized in that the two liners or the liner during the foaming remain or remains adhering substantially completely on the respective surface of the foamable layer of self-adhesive composition on which they or it are or is disposed.Type: ApplicationFiled: May 3, 2019Publication date: May 27, 2021Applicant: TESA SEInventors: Anna BLAZEJEWSKI, Axel BURMEISTER, Franciska LOHMANN, Anika PETERSEN, Ingrid BENDEICH
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Publication number: 20210147725Abstract: A pressure-sensitive adhesive having good adhesive and flame retardancy properties is provided. The pressure-sensitive adhesive comprises: (A) at least one poly(meth)acrylate and (B) at least one organophosphorus compound, wherein the monomer composition forming the basis for the poly(meth)acrylate comprises (i) at least one (meth)acrylic ester whose alcohol component contains more than 4 carbons; (ii) at least one (meth)acrylic ester whose alcohol component contains not more than 4 carbons; and (iii) acrylic acid and/or methacrylic acid at a total of at least 5 wt %. Also provided is a method of using the pressure-sensitive adhesive as a flame-retardant pressure-sensitive adhesive.Type: ApplicationFiled: November 18, 2020Publication date: May 20, 2021Applicant: tesa SEInventors: Budde Felix, Maike Strebl-Pfarr, Vanessa Homann
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Patent number: 11008455Abstract: The invention relates to a dispersion comprising one or more protic solvents as dispersion medium and also, as base components dispersed therein, one or more matrix polymers, one or more epoxides, at least one kind of a modified compound of the polyamine adduct type which is insoluble in the epoxides, where the at least one modified polyamine adduct is in dispersion in particulate form, with 90% of the particles having a particle size in the range from 0.1 to 10 ?m as determined by laser diffractometry.Type: GrantFiled: June 15, 2017Date of Patent: May 18, 2021Assignee: TESA SEInventors: Markus Brodbeck, Alexander Fischer, Marco Kupsky
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Publication number: 20210078216Abstract: Calendering devices and processes are provided that process a fluid that has been rendered adhesive or is inherently adhesive, wherein processing typically involves forming of the fluid into a film of defined layer thickness and applying the fluid to a carrier material, post-calendering, or a combination of at least two of the above-mentioned processes. The devices may comprise a feed device for feeding the fluid, a multi-roller mechanism having at least two calendering rollers, and at least one calendering nip for processing the fluid, in which at least one of the at least two calendering rollers has an average roughness depth Rz of between 5 ?m and 15 ?m or between 9 ?m and 13 ?m.Type: ApplicationFiled: February 4, 2019Publication date: March 18, 2021Applicant: TESA SEInventors: Bernd DIETZ, Karsten KUSS
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Patent number: 10946629Abstract: 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.Type: GrantFiled: May 16, 2019Date of Patent: March 16, 2021Assignee: TESA SEInventors: Katja Meyer, Matthias Seibert
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Publication number: 20210040355Abstract: The invention relates to an adhesive tape in particular for wrapping cables, consisting of a preferably textile carrier and of a pressure sensitive adhesive, applied on at least one side of the carrier, in the form of a dried polymer dispersion, the polymer having been synthesized from: (a) 70.0 to 90.0 wt % of n-butyl acrylate and/or 2-ethylhexyl acrylate (b) 10.0 to 20.0 wt % of one or more ethylenically unsaturated monomers, where at least 50.0 wt % of the ethylenically unsaturated monomers (monomer (b)) comprises methyl methacrylate (c) 0 to 10.0 wt % of a further ethylenically unsaturated monomer, different from monomer (b) (d) 0 to 5.0 wt % of an ethylenically unsaturated monomer having an acid or acid-anhydride function and the pressure sensitive adhesive comprises between 3 and 20 parts by weight of tackifiers (based on the mass of the dried polymer dispersion), the tackifiers having a softening point of more than 90° C. according to ASTM E29-99 (2009).Type: ApplicationFiled: August 7, 2019Publication date: February 11, 2021Applicant: tesa SEInventors: Mark HÄNLE, Daniel SCHMITZ-STAPELA, Fabian BROCKMEYER, Andreas MEIER, Jacob PRZYOJSKI
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Publication number: 20210032508Abstract: A laminate is provided, more particularly an adhesive tape, comprising a) a release liner having at least one carrier layer (CL) and also, applied to this carrier layer (CL), at least one silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives, and b) at least one further layer (L1), comprising polyacrylate-based adhesives with low tack at room temperature or heat-activable bondable adhesives which have little or no pressure-sensitive adhesion at room temperature. The use of an arrangement as a release liner is also provided, where the arrangement comprises a carrier layer (CL) and also, applied to this carrier layer (CL), a silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives.Type: ApplicationFiled: January 15, 2019Publication date: February 4, 2021Applicant: tesa SEInventors: Nikolay Belov, Tobias Winkler, Birgit Sommer
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Patent number: 10907076Abstract: Method of adhesively bonding two surfaces by means of a reactive adhesive film system comprising at least two adhesive films (F1 and F2), each comprising at least one reactive component (R1 and R2), adhesive bonding being effected by a reaction which requires the presence of both reactive components (R1 and R2), wherein, prior to adhesive bonding, a separating layer (T) which is impermeable to the reactive components is provided between the adhesive films which are to be brought into contact with one another for the reaction, and the separating layer (T) is removed at least in part by means of a laser in order to effect bonding, so that the adhesive films (F1 and F2) come into direct contact with one another and the reaction begins in the presence of both reactive components (R1 and R2), and reactive adhesive film system for use in this method.Type: GrantFiled: November 24, 2016Date of Patent: February 2, 2021Assignee: TESA SEInventors: Sebastian Dietze, Arne Koops, Gero Maatz, Uwe Schümann
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Patent number: 10906997Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates having functional groups capable of entering into linking reactions with epoxide groups, comprising at least one substance having at least one epoxide group as crosslinker and at least one substance of the formula R12N—CR2R3—CR4R5—(CR6R7)n—X in which the R1 independently represent hydrogen, a substituted or unsubstituted alkyl or cycloalkyl radical or together with the nitrogen atom form a 5-7-membered ring; R2, R3, R4, R5, R6 and R7 independently represent hydrogen or an alkyl radical having 1 to 8 carbon atoms or form a 5-7-membered cycloalkylene group; n=0; and X represents —OH, —OR, —SH, —SR and —PR2, in which R independently represents C1-C18 alkyl radical, C2-C18 alkenyl radical or C2-C18 alkynyl radical, an aryl group or an aliphatic or aromatic heterocycle, as accelerator.Type: GrantFiled: December 7, 2017Date of Patent: February 2, 2021Assignee: TESA SEInventors: Alexander Prenzel, Sarah Bamberg, Jennifer Beschmann, Marten Papenbroock
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Patent number: 10899947Abstract: The invention relates to a method for producing an adhesive bond by means of an adhesive, wherein a composition containing at least a substance reactive in a radical polyreaction and a catalytically active substance is used as the adhesive, wherein at least one metal complex from the group of the metal phthalocyanines and/or from the group of the metal porphyrins is selected as the catalytically active substance, wherein a polyreaction of the reactive substance occurs, which polyreaction is initiated by the application of a plasma.Type: GrantFiled: March 27, 2015Date of Patent: January 26, 2021Assignee: TESA SEInventor: Marcel Hähnel
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Publication number: 20210009878Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b??(1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3?b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.Type: ApplicationFiled: July 7, 2020Publication date: January 14, 2021Applicant: tesa SEInventors: Marten Papenbroock, Sven Heidsieck, Björn Zeysing, Tobias Winkler, Norbert Grittner, Friederike Kettling
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Patent number: 10890202Abstract: A method for attaching a fastening element to a surface includes arranging a basic body in contact with the surface using an adhesive ring. The surface, the adhesive ring, and a gap therebetween form airtight barriers of a space. The basic body has at least one air- and/or water-permeable connection between the space and an outer side of the basic body. An adhesive is introduced into the space so that it is filled with a quantity of adhesive which has a contact surface with the basic body. A curing process for the adhesive provides moisture, wherein prior to the curing process or/and during the curing process, the adhesive ring and the quantity of adhesive are heated so that some of the adhesive located in the region of the contact surface forms an insulating layer which is cured over and beyond the contact surface and constitutes a further airtight barrier for the remaining quantity of adhesive which has not cured.Type: GrantFiled: August 22, 2017Date of Patent: January 12, 2021Assignee: tesa SEInventor: Frank Braun
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Publication number: 20210002521Abstract: An adhesive, more particularly a thermally curable, meltable, preferably pressure-sensitive adhesive, which is curable thermally from a temperature of 110° C., is storage-stable for approximately one month at 60° C. and longer than one year at 23° C., and an adhesive tape produced therefrom, comprising an epoxide-functionalized acrylonitrile/butadiene copolymer having on average more than 1.5 epoxide groups per molecule, and the ground reaction product of phthalic anhydride and diethylenetriamine, for use in the automotive industry both in bodyshell construction on oiled metal sheets and in the coating line on cathodically electrocoated or otherwise-coated metal sheets, for bonding and/or sealing, for example for hem fold bonding, for hem fold sealing, for seam sealing, for underseal bonding, for hole stopping, and much more.Type: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Applicant: tesa SEInventors: Uwe Schümann, Nicholas Buggy, Sebastian Dietze, Kim Elsenbach
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Patent number: 10876021Abstract: An adhesive having water vapor barrier properties, comprising an adhesive base comprised of at least one epoxy syrup at least one elastomer at least one initiator optionally at least one tackifier resin and optionally at least one further reactive resin and optionally a solvent, wherein the adhesive base without solvent has a water vapor permeation rate after activation of the reactive resin component of less than 100 g/m2d, preferably of less than 60 g/m2d, in particular less than 30 g/m2d, wherein the epoxy syrup comprises bisepoxy monomers and high molecular weight uncrosslinked polyepoxies produced therefrom, exhibits good barrier properties and is also sufficiently pressure sensitive to achieve easy handleability.Type: GrantFiled: June 2, 2016Date of Patent: December 29, 2020Assignee: TESA SEInventors: Christian Schuh, Klaus Keite-Telgenbüscher, Annalena Graucob
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Patent number: 10875254Abstract: The invention relates to a method for connecting two fibre-reinforced plastic components, comprising the following steps: producing a first fibre-reinforced plastic component, wherein a fabric made of fibrous matting is provided, which is impregnated with a resin-curing agent mixture, which is then subsequently cured, wherein the part of the surface of the first fibre-reinforced plastic component, which is to be later adhered to the second fibre-reinforced plastic component (hereinafter also referred to as joining surface), is masked with an adhesive strip before the impregnation of the fibrous matting with the resin-curing agent mixture; producing a second fibre-reinforced plastic component using the above steps, wherein the part of the surface of the second fibre-reinforced plastic component, which is to be later adhered to the first fibre-reinforced plastic component, is also masked with an adhesive strip before the impregnation of the fibrous matting with the resin-curing agent mixture; removing the adhesType: GrantFiled: September 7, 2016Date of Patent: December 29, 2020Assignee: TESA SEInventors: Stephan Bernt, Uwe Michel
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Patent number: 10858209Abstract: Adhesive tape for flying splices of flat web materials, in particular flat web materials with nonpolar surfaces, said adhesive tape at least comprising an upper self-adhesive compound layer, an inner adhesive tape area adapted as a flat predetermined breaking point, and a lower self-adhesive compound on the underside of the inner adhesive tape area, wherein a natural rubber adhesive compound is used as the self-adhesive compound for at least the upper self-adhesive compound layer, as well as methods for flying splices of flat web material wound onto rolls, in particular with nonpolar surfaces, using a corresponding adhesive tape.Type: GrantFiled: November 11, 2016Date of Patent: December 8, 2020Assignee: TESA SEInventors: Tobias Blömker, Niels Czerwonatis, Kerstin Götz, Julia Schwarzbach
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Patent number: 10858549Abstract: The present invention relates to a pressure-sensitive adhesive tape comprising or consisting of a moisture-curing composition comprising or consisting of: A 5 to 60 parts by weight of at least one film-former component; B 40 to 95 parts by weight of at least one epoxide component; C 10 to 500 parts by weight of at least one moisture-activatable curing agent; D optionally 0.1 to 15 parts by weight of at least one stabilizer, and E optionally 0.1 to 200 parts by weight of at least one additive, based in each case on the moisture-curing composition, with the parts by weight of components A and B adding up to 100 and with the moisture-curing composition being characterized in that the moisture-activatable hardener C comprises or consists of at least one blocked amine. The invention further relates to a method for assembling two components using such adhesive tape.Type: GrantFiled: April 18, 2017Date of Patent: December 8, 2020Assignee: TESA SEInventors: Christian Schuh, Olga Kirpicenok, Yvonne Querdel
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Publication number: 20200377766Abstract: Single- or double-sided adhesive tapes and methods at least partly encapsulate an (opto)electronic structure. The tapes and method include a carrier and at least one layer of a curable adhesive composition having the following components: (A) 20% to 99.9% by weight (based on the entirety of the curable adhesive composition) of a (co)polymer functionalized with epoxy groups and having a weight-average molar mass of at least 5000 g/mol, based on more than 30% to 100% by weight, (based on the entirety of the parent monomers of the epoxy-functionalized (co)polymer) of at least one type of (meth)acrylic (co)monomer (a) functionalized with an epoxy group; and (B) 0.1% to 5% by weight (based on the entirety of the curable adhesive composition) of at least one curing agent configured to induce curing of the (co)polymer (A) with reaction of its epoxy groups by thermal means and/or by supply of UV radiation.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Applicant: TESA SEInventors: Thilo DOLLASE, Jessika GARGIULO, Marco KUPSKY, Bastian WEDEL
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Patent number: 10828841Abstract: A blank and/or diecut permanently closes of holes in metal sheets and/or in plastic parts. The blank and/or diecut comprises at least one carrier having a laminate of at least two polymeric films, wherein the lower film has a basis weight of at least 1.5 kg/m2 and the side of the lower film opposite the upper film has an applied adhesive thereon.Type: GrantFiled: July 23, 2014Date of Patent: November 10, 2020Assignee: TESA SEInventors: Thomas Niemeyer, Rainer Stricker