Bayer Aktiengesellschaft

Covestro Deutschland Ag

Covestro Intellectual Property Gmbh & Co. Kg

Bayer Materialscience Ag

Benecke-kaliko Ag

Bayer Aktigensellschaft

Bayer Intellectual Property Gmbh

Martin Melchiors

Wieland Hovestadt

Dirk Achten

Hans-Josef Buysch

Harald Kraus

Wolfgang Arndt

Helmut Keul

Harald Blum

Joachim Probst

Thomas Buesgen

Rolf Bachmann

Josef Pedain

Christian Wamprecht

Hans-Josef Laas

Thomas Münzmay

Rolf Gertzmann

Nicolas Degiorgio

Karl-Ludwig Noble

Raul Pires

Theodor Engbert

Ulrich Freudenberg

Gerhard Ruttmann

Jonas Kuenzel

Uwe Klippert

Paul Wagner

Jan Weikard

Dieter Margotte

Hans-Joachim Scholl

Reinhard Langer

Bernhard Jansen

Jurgen Schwindt

Burkhard Köhler

Michael Ludewig

Michael Sonntag

Roland Wagner

Christoph Irle

Gerd Fengler

Thomas Büsgen

Christoph Thiebes

Nusret Yuva

Peter Reichert

Jörg Büchner

Hartwig H&ouml;cker

Marc Claudius Schrinner

Joerg Buechner

Joerg Tillack

Thomas Stingl

Peter Kueker

Sandra Grosskopf

Fabian Schuster

Robert Liberati

Jochen Br&uuml;ck

Heinz-Dietmar Gewiss

Hartmut Ottensmann

Jörg Schmitz

Evgeny Avtomonov

Torsten Pohl

Jörg Tillack

Florian Golling

Olaf Fleck

Maria Almato Guiteras

Tanja Hebestreit

Robert Reyer

Helmut Greiving

Dirk Iben

Karl-Heinz Neumann

Heino Koch

Eva Tejada

Frank Sicking

Ralf Rott

Alice Münzmay, Legal Representative

Cornelia Steck

Andreas Neumann

Stefan Reusch

Michael Janz

Heinz Dietmar Gewiss

Anton Naue

Jonas Künzel

Sandra Hackbarth

Heinz-Dietmar Gewiβ

Maria Almató Guiteras

Heinz-Dietmar Gewiß

Alice Münzmay

The invention relates to a method for producing a composite component, comprising the steps: i) applying an aqueous composition, which contains a polychloroprene dispersion and/or a polyurethane dispersion, to at least one nonwoven; ii) coagulating the aqueous composition on the nonwoven by bringing the aqueous composition into contact with a coagulant and/or heating to 80 to 220° C., in order to form a semifinished product; and iii) optionally attaching a decoration, which comprises an adhesive film; and iv) thereafter, shaping the semifinished product from step ii) or iii) by pressing and/or heating to 30 to 220° C., in order to obtain the composite component, characterized in that the aqueous composition contains at least one thickener. The invention further relates to the use of the composite component of the invention as part of an interior trim, of a sun visor, of a support part, of a 2- or 3-dimensional sound-proofing panel, of a 3D-printed component, of a padding material, of a collision protection means, of a seat shell and of an impact isolation means.

Composite component containing a polychloroprene and/or polyurethane binder

The invention relates to a method for applying a material containing a meltable polymer comprising the step of applying a filament of the at least partially molten material from a discharge opening of a discharge element onto a substrate. The meltable polymer has the following properties: —a melting point (DSC, differential scanning calorimetry; second heating with a heating rate of 5° C./min) in a range from ≥40° C. to ≤120° C.; —a glass transition temperature (DMA, dynamic mechanical analysis in accordance with DIN EN ISO 6721-1:2011) in a range from ≥−70° C. to ≤30° C.; —a storage modulus G' (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) at 20° C. above the melting point of ≥1·10Pa; —a storage modulus G′ (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) at 10° C. below the melting point with prior heating to a temperature of 20° C. above the melting point and subsequent cooling with a cooling rate of 1° C./min of ≤1·10Pa; wherein the filament has an application temperature of ≥100° C. above the melting point of the meltable polymer for ≤5 minutes during the application process and wherein the meltable polymer further has the property that the storage modulus G′ (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) of the meltable polymer at the highest application temperature reached during the application process is smaller by a factor of ≥10 than the storage modulus G′ (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) at a temperature of 20° C. above the melting point of the meltable polymer.

Method for applying a material containing a meltable polymer, more particularly a hot-melt adhesive, above the decomposition temperature thereof

The invention relates to formulations of aqueous dispersion adhesives on the basis of aqueous polyurethane or polyurethane-urea dispersions and the use of the adhesive formulations for bonding foam substrates according to the spray coagulation method.

Dispersion adhesives

A method of applying a material comprising a fusible polymer comprises the step of: The fusible polymer has the following properties: wherein the filament, during the application process, has an application temperature of &#x2265;100&#xb0; C. above the melting point of the fusible polymer for &#x2264;20 minutes. There are still free NCO groups in the material including the fusible polymer.

Method for applying a material containing a meltable polymer with free NCO groups

A method of applying a material comprising a fusible polymer comprises the step of: The fusible polymer has the following properties: There are furthermore blocked NCO groups present in the material comprising the fusible polymer.

Method for applying a material containing a meltable polymer with blocked NCO groups

The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.

The present invention relates to the use of hydrophilized polyisocyanates for the production of water-diluted coating compositions which have a polymeric polyol content of not more than 10%.

Frost-resistant adhesives based on polyisocyanates

The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.

Aqueous polycarbodiimide dispersion with improved storage stability, and method for producing same

The present invention relates to a method for adhesively bonding substrates, said method comprising the following steps: I) at least one adhesive component (a) and at least one isocyanate component (b) are applied between at least two substrates; II) the substrates are pressed together. The method is characterized in that in step I), the adhesive component and the isocyanate component are applied separately to the substrate. The invention further relates to a composite obtained according to said method. In a preferred embodiment, an aqueous polyurethane dispersion or a polyurethane solution in organic solvents is used as the adhesive component.

Method for adhesively bonding substrates using adhesives

A deformable film has a decorative surface featuring a completely matt appearance. For this purpose, the deformable film has a decorative surface provided with at least one coating comprising the following constituents: (a) an aqueous dispersion of a hydroxy-functional prepolymer, obtainable by conversion of at least one of the following components: (i) a component having hydroxyl groups, (ii) a polyester polyol having hydroxyl groups, (iii) a polyisocyanate having isocyanate groups, (iv) a compound having at least two groups reactive toward isocyanate groups and at least one group capable of anion formation, (v) water, where components (i) to (iii) and the ratio of components (i) to (iii) are selected such that an excess of hydroxyl groups is present relative to the isocyanate groups, and (b) nanoparticles having a number-average particle size of 1 to 1000 nm and (c) a crosslinker having at least two groups reactive toward hydroxyl groups.

Formable film

The present invention relates to an aqueous secondary copolymer dispersion comprising a copolymer (P) synthesized from a mixture of free-radically polymerizable monomers (M) comprising (M1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (M2) vinyl esters of aliphatic carboxylic acids; (M3) hydroxy-functional, free-radically polymerizable monomers; (M4) carboxyl-functional, free-radically polymerizable monomers and (M5) hydroxyl- and carboxyl-free (meth)acrylic esters having C1 to C12 hydrocarbon radicals in the alcohol moiety and/or vinylaromatics. The mixture further comprises glycidyl esters of aliphatic carboxylic acids. The invention also relates to a method for the production of such a dispersion, to the use of the dispersion as a coating and as a binder in 2K polyurethane coatings.

Low-solvent polyacrylate copolymer dispersions

The present invention relates to aqueous secondary copolymer dispersion comprising a copolymer (P) synthesized from a mixture of free-radically polymerizable monomers (M) comprising: (M1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (M3) hydroxy-functional, free-radically polymerizable monomers; (M4) carboxyl-functional, free-radically polymerizable monomers and (M5) hydroxyl- and carboxyl-free (meth)acrylic esters having C1 to C12 hydrocarbon radicals in the alcohol moiety and/or vinylaromatics, wherein the mixture further comprises polyols (PO) selected from the group of polyester polyols and/or polycarbonate polyols, the polyols having an average hydroxyl group functionality of at least 2. The invention also relates to a method for the production of such a dispersion, to the use of the dispersion as a coating and as a binder in 2K polyurethane coatings.

Aqueous polyacrylate copolymer dispersions with high OH group content

The present invention relates to the use of an aqueous preparation for the coating of wood surfaces, characterized in that the aqueous preparation comprises: a hydroxyl-functional polyurethane-polyacrylate dispersion, apolyurethane dispersion, an at least partially hydrophilicized polyisocyanate and &#x2267;0 weight-% to &#x2266;10 weight-% of a matting agent, wherein the combined hydroxyl content of the hydroxyl-functional polyacrylate dispersion and the polyurethane dispersion is &#x2267;1% to &#x2266;12%. The invention further relates to a method of producing a coated wood surface, comprising the step of coating a wood surface with such an aqueous preparation and to a coated wood surface comprising an aqueous preparation whose use has been recited in the context of the use according to the invention.

Use of an aqueous preparation for the coating of wood surfaces to achieve a natural-touch effect

The invention concerns aqueous secondary polymer dispersions based on special acrylate building blocks, a process for their production and their use as binders for the production of blister-free coatings.

Aqueous secondary polymer dispersions for the production of coatings

The present invention relates to polyacrylate-modified polyisocyanates which are i) prepared from aromatic, araliphatic, cycloaliphatic and/or aliphatic polyisocyanates having an NCO content of 5% to 25% by weight, an NCO functionality &#x2267;2 and a viscosity measured as solvent free resin of 150 to 200,000 mPa&#xb7;s at 23&#xb0; C., and ii) contain at least one structural unit of the formula (I) 

Polyisocyanate mixtures, a process for their preparation and their use in coating compositions

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Leichlingen, Germany

Martin Melchiors