Henkel Kommanditgesellschaft Auf Aktien

Henkel Kommanditgesellschaft Auf Aktien (henkel Kgaa)

Henkel Ag & Company, Kgaa

Helmut Loth

Klaus Helpenstein

Johann Klein

Tore Podola

Bernhard Knop

Wolfgang Klauck

Gaby Schilling

Lars Zander

Martin Majolo

Jan-Erik Damke

Rolf Tenhaef

Lydia Duhm

Claudia Mai

Kai Boege

Michael Dziallas

Udo Frank Windhoevel

Hartmut Urbath

Wolfgang Ernst

Jennifer Lambertz

Oliver Schmidt

Markus Sumser

Sabine Sipmann

Friedheim Koepnick

Ralph Schuetze

Marc Pascal Burmeister

Olivier Schmidt

A method for producing a silylated polyurethane that comprises the following steps: (1) reacting at least one polyether polyol having a number average molecular weight of at least 2,000 g/mol with at least one polyisocyanate in the presence of at least one solvent; (2) reacting the reaction product of step (1) with at least one silane of formula (I) A-R&#x2014;SiXYZ (I), where A means &#x2014;NHor &#x2014;NHB, wherein B stands for a branched or linear alkyl radical with 1-12 C atoms, possibly having functional groups, a cyclic alkyl radical having 5-8 C atoms, or an aryl radical, R is a divalent hydrocarbon radical having 1-12 C atoms, and X, Y, Z are substituents on the Si atom and are independently of each other C-Calkyl, C-Calkoxy or C-Cacyloxy groups, wherein at least one of radicals X, Y, Z is a C-Calkoxy or C-Cacyloxy group, in the presence of at least one solvent. Further disclosed is a silylated polyurethane that can be produced by the method, a curable composition based thereon, and the use of such a composition as an adhesive, sealant and/or coating material.

Low-modulus silylated polyurethanes

The present invention relates to a composition, and a method of preparing and using the same. The composition contains at least one water-soluble or water-dispersible polymer or combinations thereof, and one or more filler particles that includes WDP gypsum particles. The WDP gypsum particles are obtained from waste gas-desulphurization plants and have a particles size distribution mean diameter ranging from 13 &#x3bc;m to 500 &#x3bc;m. The composition is particularly useful as a surface coating, a surfacing compound, a sealing compound, an adhesive or a molding composition.

Preparation containing gypsum from flue gas desulphurisation, method for using the same and use thereof

This invention relates to a jointing compound of an acrylate/acrylonitrile copolymer containing 2 to 8 carbon atoms in the alcohol component as binder and fatty compounds as plasticizer and also fillers and auxiliaries. Epoxystearic acid methyl ester in particular may be used as the fatty compound while a butyl acrylate/acrylonitrile copolymer in particular may be used as the acrylate/acrylonitrile copolymer. The combination of the two substances results in jointing compounds characterized by a dramatic improvement in elasticity (resilience). Accordingly, they are particularly suitable for substrates with different coefficients of thermal expansion.

Polyacrylate joint sealants

The invention relates to a polymer dispersion containing water and at least 60 wt. % of an organic polymer which has at least one group of general formula (I) A&mdash;Si(Z) (OH) . The invention also relates to a composition containing at least one organic polymer which has at least one group of general formula (I), and at least one other organic polymer or a mixture of two or more other organic polymers.

Dispersions of silyl-terminated polymers with a high solids content, their production and their use

The invention relates to polystyrene binders modified by fatty compounds. The fatty compounds used are, in particular, esters of fatty acids or fatty alcohols, more especially triglycerides of higher fatty acids, preferably natural fats and oils. They may be added to the binder in high concentrations without adversely affecting the properties of the binder. However, their addition is of advantage in regard to the wetting properties, resistance to water and, above all, hardness. Dispersion adhesives, hotmelt adhesives and sealing compounds in particular can be improved with the binders according to the invention.

Polystyrene binders

Joint-sealing and coating compounds containing aqueous dispersions of polymers and copolymers, except for polyacrylates and acrylate copolymers, plasticizers and typical additives, such as pigments and the like, show excellent properties, particularly in regard to spreadability, smoothing behavior and resistance to spray water of uncured surfaces of these compounds providing they contain nonionic cellulose ethers selected from the group consisting of hydroxyethyl, hydorxyethyl-methyl, hydroxypropyl-methyl and hydroxypropyl cellulose having a Brookfield viscosity (2% aqueous solution at 20.degree. C.) of at least 3,000 mPa.s.

Use of nonionic cellulose ethers in jointing and coating compounds based

Early-rain-resistant joint-sealing compounds containing

Early-rain-resistant joint-sealing compounds

Early-rain-resistant joint-sealing compounds containing;

Joint-sealing materials and coating materials which contain aqueous dispersions of polyacrylates or acrylate copolymers, plasticizers and the usual additives, such as pigments and the like, have excellent properties particularly with regard to brushability, smoothing behavior and wash-out resistance when they contain a nonionic cellulose ether selected from the group consisting of hydroxyethyl cellulose, hydroxyethyl-methyl cellulose, hydroxypropyl-methyl cellulose and hydroxypropyl cellulose having a Brookfield viscosity in a 2% aqueous solution at 20.degree. C. of at least 3000 mPa.s.

Use of nonionic cellulose ethers in joint-sealing materials and coating

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Essen, Germany

Helmut Loth