Tesa Ag

Tesa Se

Beiersdorf Ag

Bernd Lühmann

Thilo Dollase

Andreas Junghans

Thorsten Krawinkel

Klaus Keite-Telgenbüscher

Minyoung Bai

Stephan Zöllner

Marc Husemann

Uwe Schümann

Alexander Prenzel

Philippe Hesse

Sianty Sunarto

Christian Schuh

Benjamin Pütz

Achim Franck

Arne Koops

Bernhard Müssig

Kirstin Weiland

Thomas Raadts

Dieter Zimmermann

Carsten Böhmer

Helmut Ritter

Kai Ellringmann

Jörn Leiber

Sven Reiter

Christian Harder

Anika Petersen

Reinhard Storbeck

Nicolai Böhm

Judith Grünauer

Ingo Neubert

Renke Bargmann

Jobst-Waldemar Klemp

Michael Egger

Ulrich Otten

Andreas Wieck

Manfred Spies

Ralf Schliephacke

Hans Hazes

Herbert Sinnen

Uwe Neumann

Daniel Klier

Kerstin Franck

Peter Kubasch

Jan Chal

Hansjürgen Linde

Jessika Gargiulo

Elisabetta Ardente

Frank Virus

Nicole Behrens

Aranzazu Escudero Vallejo

Markus Kienzle

Franziska Eberhardt

Ingolf Schütz

Klaus Wachtmann

Alexander Schwade

Ralf Dicks

Klaus Lurk

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

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.

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

End-group-functionalized oligomers with controlled degrees of functionality based on styrene are produced by reacting the monomer with a regulator by means of free-radical polymerization. At least some of the quantity of regulator is added according to a prescribed program so that at every juncture t the value of the quantitative fraction added up to said juncture does not fall short of the value of the respective conversion U(t) in the polymerization reaction at said juncture t by more than 5 percentage points and does not exceed said value U(t) by more than 5 percentage points.

Process for producing short-chain end-group-functionalized macromolecules based on styrene

Composite made of two substrates for use for optical, electronic and/or precision-engineered equipment, comprising a first substrate and a second substrate and, arranged so as to connect the first substrate to the second substrate, an adhesive layer, wherein the adhesive layer comprises an adhesive which has, relative to the mixture, (a) from 60% by weight to 90% by weight of a first polymer component based on polyacrylate and (b) from 10% by weight to 40% by weight of a second polymer component based on elastomers, where the second polymer component is essentially not miscible with the first polymer component, so that the adhesive is present in at least two separate phases in the adhesive layer.

Pressure-sensitive adhesive tapes for the adhesive bonding of windows more particularly in mobile equipment

Crosslinked pressure-sensitive adhesives (PSAs) based on polymers of branched macromolecules each comprising a main chain and one or more sidechains pendent to the main chain, the constitutional units thereof originating from a) X wt % of one or more acrylic and/or methacrylic esters, with 80&#x3c;=X&#x3c;=99.5; b) Y wt % of radically copolymerizable monomers having at least one acid function, with 0.5&#x3c;=Y&#x3c;=15; c) Z wt % of vinyl compounds, with 0&#x3c;=Z&#x3c;=5, at least one sidechain pendent to the main chain having a number-average molar mass &#x3e;=1000 g/mol, and the respective amounts of constitutional units originating from a), b) and c) can be the same in each case or differ by not more than 1%, and where a), b) and c) may in each case be the same or different monomers, have detachment properties which can be set independently of one another.

Shear-resistant pressure-sensitive adhesive with high tack

In the case of a liner for the protection of adhesives, the protective effect is to be enhanced in respect of permeates originating from the environment and also permeates included during winding or stacking and other processing steps. This enhancement is accomplished through provision of a liner which comprises at least one adhesive release layer and at least one layer of a getter material capable of sorbing at least one permeable substance.

Liner for protection of adhesives

Liner for protecting adhesives with respect to permeates originating from the surroundings or included during winding, stacking or other process steps, having at least one non-stick release layer and at least one getter material that is able to absorb at least one substance capable of permeation, the getter material being contained as a dispersed phase in at least one layer of the liner.

Liner for protecting adhesive compounds

A heating element including a current conductor through which electric power is conducted and electricity converted into heat by a voltage drop across an ohmic resistor. The heating element is a planar or a strip-shaped structure and is provided with at least one support layer and an adhesive layer, while the current conductor is designed as an additional, current-conducting layer which is arranged between the support layer and the adhesive layer. The support layer, the current-conducting layer, and the adhesive layer are transparent.

Heating element, and heatable pane comprising a heating element

The present invention provides a method of and apparatus for marking or inscribing a workpiece () with high-energy radiation, more particularly with a laser beam (), the workpiece () having a light-scattering surface () and the material of the workpiece () being transparent for the radiation wavelength, and a polymer matrix () being disposed on the workpiece () in such a way that the radiation passes through the workpiece () and its light-scattering surface () before impinging on the polymer matrix (), characterized in that the light-scattering surface () of the workpiece () is wetted with a liquid or viscoelastic medium ().

Method of marking or inscribing a workpiece

The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups X, and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about at least in part by incorporation of the functionalized particles, the particles having at least one nonpolymeric base unit and also a surface modification of this base unit, and the surface modification of the particles having at least one kind of functional groups X which are capable of reacting with functional groups Y present in the polymer component, and also to the use of surface-modified functionalized particles having a nonpolymeric base unit as crosslinking reagents for crosslinking polymers for preparing pressure-sensitive adhesives.

Pressure-senstive adhesives and process for preparing them

Self-adhesive tape comprising a laminate composed of at least two pressure-sensitive adhesive (PSA) layers A and B laminated directly to one another, one or both of the surfaces to be laminated to one another of the PSA layers A and B having been chemically and/or physically pretreated prior to lamination, and the shear strength tof the self-adhesive tape at 25&#xb0; C., 40&#xb0; C. and 70&#xb0; C. under a weight load of 1000 g being at least 80% of the shear strength tof the PSA layer A and/or of the PSA layer B, where trepresents the shear strength of the PSA layer having the lower shear strength.

Multi-ply self-adhesive tape

A pressure-sensitive adhesive comprising a blend of at least two components, one of which comprises a block copolymer having at least the unit P(A1)-P(B1)-P(A1) and the second of which comprises a block copolymer having at least the unit P(B2)-P(A2)-P(B2); the blend forming an at least two-phase system.

Adhesive masses based on block copolymers of structure P(A)-P(B)-P(A) and P(B)-P(A)-P(B)

Pressure-sensitive adhesive comprising an acrylate block copolymer having at least two chemically distinguishable, covalently interlinked acrylate polymer blocks P in microphase-separated regions and each having a softening temperature of between &#x2212;125 and +20&#xb0; C.

Pressure-sensitive adhesive based on acrylate block copolymers

The invention provides an acrylate-based pressure-sensitive adhesive comprising a polymer blend having

Growing community of inventors

Norderstedt, Germany

Bernd Lühmann