Basf Aktiengesellschaft

Basf Se Corporation

Henkel Ag & Company, Kgaa

Bhs Corrugated Maschinen-und Anlagenbau Gmbh

Karl-Heinz Schumacher

Oliver Hartz

Ulrike Licht

Axel Meyer

Hermann Seyffer

Eckehardt Wistuba

Karl Haeberle

Robert Rupaner

Dieter Urban

Christoph Kiener

Alexander Centner

Bernd Bruchmann

Oral Aydin

Matthias Gerst

Rainer Klopsch

Rainer Hummerich

Wolf-Dieter Balzer

Peter Preishuber-Pfluegl

Jochem Henkelmann

Thomas Daniel

Peter Rudolf

Maximilian Angel

Gunnar Schornick

Matthias Kroner

Volker Warzelhan

Rainer Dyllick-Brenzinger

Son Nguyen Kim

Motonori Yamamoto

Wolfgang Schrof

Thomas Subkowski

Hans-Georg Kinzelmann

Ulf Baus

Nicolas Vautravers

Dirk Wulff

Claus Bollschweiler

Gledison Fonseca

Thomas Heidenfelder

Gerhard Bauer

Indre Thiel

Ursula Seeliger

Wolfgang Gaschler

Oliver Koch

Carmen-Elena Cimpeanu

Marc Rudolf Jung

Andree Dragon

Simon Nord

Heike Becker

Bernd Hoevel

Ralf Fink

Harald Meyer

Ulrich Erhardt

Andre Burghardt

Heiko Diehl

Martin Jung

Christelle Staller

Cornelis Petrus Beyers

Burkhardt Dames

Axel Weiss

Tina Schroeder-Grimonpont

Volker Ladenberger

Matthias Zorn

Hans-Joachim Fricke

Maria Teresa Hechavarria Fonseca

Andrea Kuntz

Timothy D Klots

Bernhard Schlarb

Marvin Karos

Andrea Herold

Verena Mormul

Ines Pietsch

Hans-Georg Lemaire

Volker Schaedler

Sabine Kielhorn-Bayer

Hans-Peter Hentze

Markus Jegelka

Georg Langhauser

Peter Claassen

Sophie Putzien

Gerald Wildburg

Thomas Breiner

Bernd Meyer-Roscher

Rabie Al-Hellani

Thomas Fenlon

Ralf Noerenberg

Martin Scholtissek

Karl Haberle

Horst Seibert

Stefan Dahmen

Jose Garcia Miralles

Harald Röckel

Bradley Ronald Morrison

Volker Schädler

Diego Ghislieri

Tobias Joachim Koplin

Karl Häberle

Tina Schröder-Grimonpont

Manfred Weber

Hans J Neumann

Hubertus Kröner

Christian Beil

A bonding process is described in which two substrates are bonded together by applying to the surface of at least one of the substrates a curable, not yet cured 2-component adhesive that comprises, in a first component, a compound A having at least one defined cyclic thiocarbonate unit having a five-membered ring structure and, in a second component, a curing compound B selected from compounds having at least one functional group selected from primary amine groups and secondary amine groups.

Adhesive method using two-component adhesives based on compounds having cyclothiocarbonate units

The use of an aqueous polyurethane dispersion adhesive is described for producing composite foils which are biodisintegratable at home compost conditions where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a polymer foil which is biodisintegratable at home compost conditions. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxy carboxylic acids and diamino carboxylic acids, wherein the polyurethane has no melting point above 20° C. or wherein the polyurethane has a melting point above 20° C. with an enthalpy of fusion lower than 10 J/g, and wherein a film of the polyurethane adhesive is biodegradable at home compost conditions.

Composite foils biodisintegratable at home compost conditions

A description is given of a method of making film laminates using a lamination adhesive comprising (a) at least one acrylic polymer A with anhydride groups which are reactive with primary or secondary amine groups; and (b) at least one compound B with at least two amine groups selected from primary and secondary amine groups. The acrylic polymer A has a molecular weight of from 3000 to 50000 and the lamination adhesive is free of organic solvents, free of water and free of compounds with isocyanate groups.

Method of making film laminates using amine-reactive acrylic lamination adhesives

A description is given of the use of compounds having n 2-oxo-1,3-dioxolane-4-carboxamide units as a reactive component in 2-component adhesives, especially for preparing hydroxypolyurethanes or hydroxypolycarbonates for adhesives applications, where n is a number greater than or equal to 2. A description is also given of corresponding two-component adhesives and adhesive bonding methods. Employed preferably as a second component of the two-component adhesive is a polyfunctional curing agent compound which is preferably selected from polyamines which have two or more amine groups and polyols which have two or more alcoholic hydroxyl groups.

Use of compounds having n 2-oxo-1,3-dioxolane-4-carboxamide units in two-component adhesives

A description is given of the use of a one-component laminating adhesive for composite film lamination, and also of a method for composite film lamination. The laminating adhesive comprises an aqueous polymer dispersion preparable by radical emulsion polymerization of monomers comprising (a) at least 60 wt %, based on the total amount of monomers, of at least one monomer selected from the group consisting of C1 to C20 alkyl acrylates, C1 to C20 alkyl methacrylates, vinyl esters of carboxylic acids comprising up to 20 carbon atoms, vinylaromatics having up to 20 carbon atoms, vinyl halides, vinyl ethers of alcohols comprising 1 to 10 carbon atoms, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds, and mixtures of these monomers, and (b) at least 0.1 wt %, based on the total amount of monomers, of at least one monomer having at least one acid group, and (c) 0.1 to 5 wt %, based on the total amount of monomers, of at least one ethylenically unsaturated compound having at least one functional group selected from keto groups and aldehyde groups; where the aqueous polymer dispersion comprises at least one compound A which has at least two functional groups that are able to enter into a crosslinking reaction with keto groups or with aldehyde groups; where the molar ratio of the groups of the compound A that are reactive with keto groups or with aldehyde groups to the keto and aldehyde groups of the monomer (b) is from 1:10 to 2:1; and where, in the composite film lamination, at least two films are bonded to one another with the laminating adhesive so firmly that the peel strength is 2.5 N/15 mm or more or that the films bonded to one another are partable only with destruction of at least one of the films. The composite films can be used for the packing of foods.

Use of a single-component laminating adhesive for composite film lamination

Described are polyurethane-vinyl hybrid polymers, methods of making them and their use. The hybrid polymers are made from an anionic polyurethane and a polymerizable vinyl compound, wherein the polymerizable vinyl compound is selected from methylene malonates, methylene beta-ketoesters and methylene beta-diketones. The hybrid polymers can be used as binder in structural adhesives, as binder in pressure-sensitive adhesives, as binder in laminating adhesives, as binder in contact adhesives, as binder in ink, as binder in paints, as binder in coatings, as binder for fiber bonding, as binder for particle bonding or as binder in high cohesion adhesive tapes.

Polyurethane-vinyl hybrid polymers, methods of making them and their use

Described are aqueous polymer dispersions for composite film lamination, comprising a dispersed polymer and a dissolved polymer, and also a multistage process for preparing them from ethylenically unsaturated, radically polymerizable monomers. In a first stage, a first polymer is prepared by radical emulsion polymerization. In a second stage, an aqueous polymer dispersion is prepared in the presence of the first polymer. The monomers of the first stage comprise monomers with acid groups. The dissolved polymer comprises monomers having oxazoline groups, and also water-soluble monomers. The aqueous polymer dispersions can be used as adhesive for producing composite films.

Aqueous polymer dispersions for composite film lamination

What are described are compounds having two or more exovinylene cyclocarbonate units, wherein the exovinylene cyclocarbonate units are bonded to one another via at least one organic, siloxane-free connecting group which is not bonded directly to the exovinylene double bonds, excluding connecting groups formed by polymerization of (meth)acrylic monomers. The connecting group preferably has at least one acetal group. Also described are a process for preparing the compounds, two-component binders comprising the compounds, and uses of the compounds.

Compounds having two or more exovinylene cyclocarbonate units

What are described are copolymers formed from (a) at least one monomer M1 of the formula in which Ris an organic radical having a (meth)acryloyl group,

Copolymer made from cyclic exo-vinyl carbonate acrylates

Described are aqueous polymer dispersions for composite film lamination and a multistage process for preparing them from ethylenically unsaturated, radically polymerizable monomers. In a first stage, a first polymer is prepared by radical emulsion polymerization. In a further stage, an aqueous polymer dispersion is prepared in the presence of the first polymer. The monomers of the first stage comprise monomers with acid groups. The monomers of the further stage comprise monomers having oxazoline groups. The polymerization of the first stage takes place at a low pH of less than 5. The acid groups of the first polymer are neutralized before the polymerization of the further stage. The aqueous polymer dispersions can be used as adhesives for producing composite films.

Oxazoline-containing aqueous polymer dispersions for composite film lamination

Described are aqueous adhesive dispersions comprising dispersed polyurethanes and also ethoxylated fatty alcohols as emulsifiers. The polyurethanes are constructed from certain organic diisocyanates, dihydroxy compounds selected from certain polyester diols and polyether diols, and compounds having groups reactive toward isocyanate groups and having at least one ionic group. The adhesive dispersions can be used as laminating adhesives, for example for composite film lamination or for the lamination of rigid moldings with flexible decorative foils.

Aqueous adhesive dispersion containing polyurethanes and ethoxylated fatty alcohols

A description is given of the use of a polymer dispersion for cold sealing, the polymer dispersion comprising a polymer in dispersion in water and having a glass transition temperature in the range from &#x2212;20 to +10&#xb0; C., said polymer being preparable by emulsion polymerization of radically polymerizable monomers in the presence of at least one polymeric protective colloid, and the polymer being formed to an extent of 0.05 to less than 1 wt % of a monomer M, selected from the group consisting of (meth)acrylate monomers having a substituent of the formula where X is CH, O, NH or NR, and R is a C1 to C4 alkyl group. Descriptions are also given of a method for producing cold-sealed packaging, and of the packaging obtainable by said method.

Use of a polymer dispersion for cold sealing

The use of aqueous polyurethane dispersions is described for the lamination of moldings, where the polyurethane comprises units derived from at least one amorphous polyester polyol and comprises units derived from at least one polycarbonate.

Use of aqueous polyurethane dispersions for laminating molded articles

Described is a process for preparing an aqueous polymer dispersion from ethylenically unsaturated, free-radically polymerizable monomers. In a first stage, a first polymer is prepared by free-radical emulsion polymerization. In a second stage, an aqueous polymer dispersion is prepared in the presence of the first polymer. The monomers of the first stage comprise monomers with acid groups. The polymerization of the first stage takes place at a low pH of less than 5. The acid groups of the first polymer are neutralized during the polymerization of the second stage to an extent such that the pH of the polymer dispersion at the end of the second stage is greater than 5. The aqueous polymer dispersions can be used as adhesives for producing composite films.

Multistage preparation of aqueous polymer dispersions for producing composite films

The present invention relates to the use of a polyurethane adhesive in the manufacture of film/foil-coated furniture. The adhesive consists of two components, the first component comprising at least two different polyurethanes which comprise carboxyl groups, and the polyurethanes comprising units derived from polyester diols and units derived from polyether diols, the weight quantity ratio of the sum total of all units derived from polyester diols to the sum total of all units derived from polyether diols being in the range from 1:9 to 9:1, and the second component comprising at least one silane compound reactive toward carboxyl groups.

Use of polyurethane adhesive formed from polyester diols, polyether diols and silane compounds in the manufacture of film/foil-coated furniture

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Neustadt, Germany

Karl-Heinz Schumacher