Tesa Se

Beiersdorf Ag

Klaus Keite-Telgenbüscher

Christian Schuh

Jan Ellinger

Minyoung Bai

Bernd Lühmann

Thilo Dollase

Thorsten Krawinkel

Bernd Dietz

Alexander Steen

Stephan Zöllner

Peter Himmelsbach

Uwe Schümann

Alexander Prenzel

Arne Koops

Judith Grünauer

Anja Staiger

Anika Petersen

Peter Jauchen

Hermann Neuhaus-Steinmetz

Marco Kupsky

Lars Guldbrandsen

Sebastian Dietze

Ute Ellringmann

Monika Junghans

Frank Domann

Udo Dominikat

Hans Karl Engeldinger

Chris Gäbert

Thortsten Krawinkel

Matthias Lehder

Christian Lammel

Anita Reichenbach

Michael Siebert

Frank Hannemann

Björn Zeysing

Uwe Michel

Reiner Leutz

Philipp Preuβ

Julia Rompf

German Patino

Jessika Gargiulo

Claudia Moehrke

Lesmona Scherf

Annalena Graucob

Florian Meyer

Yao Shu

Veronika Ramm

Tanita Czeski

Olaf Gōrbig

Jens Schreiber

Christoph Mette

David Tuffe

Manuel Bendeich

Stefan Kramp

Janika Stolze

Thomas Schabernack

Nils Utesch

Christoph Tzschoch

Alexandre Escoffier

Zoé Janusko-Mandin

Jara FERNÁNDEZ-Pastor

Christina Hirt

Hans-Karl Engeldinger

A reactive PSA film that includes: (a) a polymeric film former matrix; (b) one or more reactive components; and (c) a reagent selected from an initiator, a curing agent and an activator. The component (b) is present at a mass fraction of ≥30%, as based on the sum of (a), (b) and (c). Further, ≥50 wt % of the film former matrix is a crystallizable polymer which: (i) exhibits a crystallization enthalpy of <1 J/g in a DSC measurement on cooling at 10K/min from at least 30K above a peak temperature of the melting peak of the polymer or ≥100° C., whichever is greater; and (ii) exhibits a crystallite fusion enthalpy of ≥15 mJ/mg in its pure state in a first heating curve of a DSC measurement at 10K/min and after storage for ≥one month from 15 to 25° C. and relative humidity from 30 to 70%.

Storage-stable, reactive, pressure-sensitive adhesive tape

A structural adhesive bond formed with a pressure-sensitive adhesive that comprises at least two components forming one phase each, from which an interpenetrating network with at least two phases is produced by a cross-linking build-up reaction, the first phase and second phase having at least a softening point temperature of less than 23° C. and greater than 23° C., respectively, the two phases having a morphology of a cross-linked nanoparticle network after the build-up reaction.

Pressure-sensitive adhesive compound containing a cross-linked nanoparticle network, method of production and use thereof

Systems and methods produce or provide a folded connection, sealed by means of an adhesive composition, between a first sheetlike element and a second sheetlike element. The systems and methods bond a second flange of the second sheetlike element with at least one layer of an adhesive composition to a first flange of the first sheetlike element, in such a way that an end of the second flange of the second sheetlike element is indented by a distance relative to an end of the first flange of the first sheetlike element. The systems and methods bead the first flange of the first sheetlike element around the second flange of the second sheetlike element and, after the beading, an adhesive-composition part is placed around an edge of the first flange of the first sheetlike element and bonded to a second surface of the first flange of the first sheetlike element.

Method for producing a sealed folded connection

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.

Adhesives comprising activatable getter materials

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 () and a second surface (), 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.

Method for producing a sealed folded joint

Pressure-sensitive adhesive compound comprising at least two components forming one phase each, from which an IPN with at least two phases is produced by a cross-linking build-up reaction, the first phase having at least a softening point temperature of less than 23&#xb0; C., and the second phase, after the build up reaction, having a softening temperature of greater than 23&#xb0; C., the two phases having a morphology of a cross-linked nanoparticle network after the build-up reaction.

The invention relates to a joining method wherein a first surface () of a first adherend () and a second surface () of a second adherend () are bonded to one another by provision of an adhesive tape () having a first side () and a second side (), there being disposed on the first side () a first activatable adhesive and on the second side () a second activatable adhesive, the latter being an activatable pressure-sensitive adhesive, the first side () of the adhesive tape () is contacted with the first surface () of the first adherend () to produce a preliminary assembly, the second surface () of the second adherend () is joined in a joining movement to the second side () of the adhesive tape (), the joining movement having a tangential component and a perpendicular component relative to the second side () of the adhesive tape (), with a ratio between tangential and perpendicular components of greater than 0.5, where a region of contact between second surface () of the second adherend () and second side () of the adhesive tape () is provided with a nonaqueous lubricant.

Tangential joining method

An adhesive having water vapor barrier properties, comprising an adhesive base comprised of

Adhesive having water vapour barrier properties comprising incipiently polymerized epoxy syrup

A process for producing a viscous epoxy syrup from at least one liquid multifunctional epoxy, comprising the steps of:

Processes for producing viscous epoxy syrups

A method comprising bonding an element to one or more bonding substrates by inductive heating using a magnetic field whose frequency is situated in a frequency range from 100 Hz to 200 kHz. The element comprises at least one electrically conducting layer having an electrical conductivity of more than 40 MS/m for 300K and at least one heat-activatable adhesive layer coated onto at least one side of the electrically conducting layer, and the heat-activatable adhesive layer comprises at least one thermally conductive filler. The material of the thermally conductive filler has a thermal conductivity of at least 0.5 W/(m*K) and is electrically nonconducting such that the element provides, in a direction perpendicular to the areal extent of the element, an electrical breakdown resistance, as determined in accordance with VDE 0100.

Heat-activated, glueable surface elements

A barrier adhesive for the encapsulation of an (opto)electronic arrangement comprising an adhesive base composed of at least one reactive resin having at least one activatable group, at least one polymer, especially an elastomer, optionally at least one tackifying resin, where the adhesive base has a water vapour permeation rate after the activation of the reactive resin of less than 100 g/md, preferably of less than 50 g/md, especially less than 15 g/md, a transparent molecularly dispersed getter material and optionally a solvent, wherein the getter material is at least one silane having at least one alkoxy group and at least one activatable group.

OLED-compatible adhesive masses having silane water scavengers

The invention relates to a rolled up thin glass composite comprising a thin glass film and at least one further layer () applied over the surface of one side of the thin glass film, wherein the at least one further layer () is applied to a radially outer side of the rolled up thin glass film and the at least one further layer () contains a desiccant which protects the thin glass film against stress corrosion cracking. The invention also relates to a method for storing a thin glass film by providing a thin glass film, applying at least one further layer () over the surface of at least one side of the thin glass film, wherein a desiccant which protects the thin glass film against stress corrosion cracking is added to the at least one further layer () and a thin glass composite composed of the thin glass film and the at least one further layer () is rolled up in such a way that the at least one further layer () is applied to a radially outer side of the rolled up thin glass film.

Thin glass composite and method for storing a thin glass film

The invention relates to a method for absorbing permeates from a sheet material I, as used, for example, in organic electronic structures, this method being easy to carry out. Such a method includes, according to the invention, directly or indirectly bringing sheet material I into planar contact with a sheet material II, which contains at least one getter material and is capable of absorbing at least one permeate from sheet material I, there being no adhesive connection between sheet material I and sheet material II.

Method for removing permeates from sheet material

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.

Linear for protection of adhesives

The aim of the invention is to effectively protect a flat adhesive compound from permeates originating from the surroundings as well as from permeates trapped during lamination, winding, stacking or other processing steps. For this purpose, the adhesive tape comprises at least the following layers in the indicated order: a first outer adhesive compound layer A, a layer B, which contains at least one inorganic getter material, and a second outer adhesive compound layer C. The invention also relates to the use of said adhesive tape as an encapsulation material.

Adhesive tape containing getter material

Growing community of inventors

Hamburg, Germany

Klaus Keite-Telgenbüscher