Basf Aktiengesellschaft

Basf Se Corporation

Basfaktiengesellschaft

Pagendarm Technologie Gmbh

Andree Dragon

Maximilian Angel

Joachim Pakusch

Eckehardt Wistuba

Joachim Roser

Wilhelm Friedrich Beckerle

Oral Aydin

Heinrich Sack

Peter Claassen

Heiko Diehl

Helmut Teichmann

Karl-Heinz Schumacher

Josef Neutzner

Peter Keller

Claudia Wood

Matthias Laubender

Holger Türk

Gernot Franzmann

Carmen-Elena Cimpeanu

Ines Pietsch

Cornelis Petrus Beyers

Valerie Andre

Bernd Stanger

Rolf Gulden

Lothar Matthaei

Uta Holzenkamp

Thomas Anselmann

Frank Reinhard

J&uuml;rgen Schmidt-Thuemmes

Nok-Young Choi

Markus Buchmann

Bernd Daeumer

Maximillian Angel

Stefan Kirsch

Erika Flaming

Uwe Wernz

Helmuth Völlmar

Jose Maria Torres Llosa

Ralf MÄURER

Petra SCHÖCKER

Pascal Mieth

An adhesive is described, in particular for applications on substrate materials made of flexible PVC, comprising a polymer which is obtainable via free-radical polymerization of ethylenically unsaturated compounds and which is composed of at least 50% by weight of soft acrylate monomers with glass transition temperature below 0&#xb0; C., at least 1% by weight of ethylenically unsaturated nitriles, at least 1% by weight of hard acrylate monomers with glass transition temperature of at least 60&#xb0; C., at least 0.1% by weight of ethylenically unsaturated acid monomers, and at least 0.01% by weight of monomers having at least two non-conjugated, polymerizable vinyl groups, where the polymerization reaction takes place via staged polymerization, and at least one portion of the soft acrylate monomers is polymerized in a first polymerization stage, and at least one portion of the hard acrylate monomers is polymerized in a second or subsequent polymerization stage. Uses of the adhesive for the bonding of substrates made of flexible PVC are also described, as also are self-adhesive items with a PVC foil as substrate material and with a coating of the adhesive of the invention.

Pressure-sensitive adhesive for PVC foils

Pressure sensitive adhesives comprising melamine resin

A pressure sensitive adhesive comprising an aqueous dispersion of a polymer, said dispersion comprising, besides the polymer, silicon compounds selected from polymeric silicates, water-soluble alkali metal silicates (waterglass), silanes, and silicones obtainable from the silanes by condensation.

Pressure sensitive adhesives comprising silicon compounds

Emulsifier system for aqueous emulsion polymerization

Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids

A process for preparing an addition-polymer powder suitable for modifying a binding mineral building material by drying an aqueous addition-polymer dispersion whose film has a glass transition temperature Tg&lE;30&deg; C. and to which a drying assistant has been added comprises adding to the aqueous addition-polymer dispersion before drying only a drying assistant which will have a plasticizing or deplasticizing effect in the ready-to-use mix of the binding mineral building material with water and admixing the resulting dry addition-polymer powder with at least one assistant in the form of a finely divided solid which will have an opposite effect to the drying assistant added before drying.

Preparation of addition-polymer powder

An apparatus for the application of a flowable medium ( &prime;) from a stock chamber ( ) to a surface ( ) being moved along the apparatus, and to the use of an apparatus of this type. The stock chamber ( ) partly covers the surface ( ), with formation of a sealing gap ( ) and an exit gap ( ). In order to prevent the formation of air bubbles in the medium ( &prime;), it is proposed to divide the stock chamber ( ) into a pre-chamber ( ) and a main chamber ( ). A dividing element ( ) which, together with the surface ( ), limits a dividing gap ( ), is arranged between the chambers. Various shapes of the dividing element are proposed. The apparatus is particularly suitable for the application of a polymer dispersion to the surface ( ). A process for operating an apparatus of this type is also described.

Device and method for applying a flowable medium onto a moving surface

Process for preparing pulverulent polymers by drying aqueous polymer dispersions

An aqueous polymer dispersion whose polymer is composed of vinyl-aromatic structures and conjugated dienes, and which has a reduced content of alkali metal ions, is used for producing water-vapor barriers; the invention also relates to the aqueous, low alkali metal polymer dispersion itself.

Use of an aqueous polymer dispersion to produce water-vapor barriers

The invention provides for a process for preparing pulverulent polymers by drying aqueous polymer dispersions in the presence of copolymers based on ethylenically unsaturated C.sub.3 -C.sub.6 carboxylic acids and their hydroxyalkyl esters as assistants; polymer powders obtainable by this process; aqueous polymer dispersions obtainable by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of the novel copolymers, and the powders obtainable therefrom, and a polymeric binder as well as and mineral building materials which comprise the novel polymer powders.

Process for preparing pulverulent polymers by drying aqueous polymer

Aqueous polymer dispersions whose polymer is composed of up to &lt;5% by weight of (meth)acrylic acid, up to &lt;5% by weight of (meth)acrylamide and from 90 to 97.5% by weight of other nonionic unsaturated monomers and is present as dispersed polymer particles having a weight average diameter of from 100 to 300 nm are used for modifying mineral building materials.

Use of aqueous polymer dispersions for modifying mineral building

Use of phenolsulfonic acid-formaldehyde condensation products as drying

At least one compound ##STR1## is added to mineral building materials modified with polymers in order to increase their adhesive power on foams based on polystyrene.

Mineral building materials modified with polymers and containing at

Aqueous polymer dispersions contain, as a dispersant, a mixture of an ethylene oxide/propylene oxide copolymer, an ethoxylated alkylphenol and/or an ethoxylated fatty alcohol, an ethoxylated polysaccharide and, if required, as a further component, sulfuric acid half-esterified with an ethoxylated alkylphenol and/or an ethoxylated fatty alcohol.

Aqueous polymer dispersions

Binders for non-tacky, non-soiling, flexible coatings based on aqueous copolymer dispersions which contain zinc-amine complexes essentially consist of

Binders for non-tacky, non-soiling, flexible coatings

Growing community of inventors

Speyer, Germany

Andree Dragon