Degussa Aktiengesellschaft

Evonik Degussa Gmbh

Evonik Operations Gmbh

Basf Coatings Gmbh

Degussa Gmbh

Günther Michael

Jürgen Meyer

Klaus Deller

Wolfgang Lortz

Mario Scholz

Dieter Kerner

Stipan Katusic

Matthijs Groenewolt

Andreas Gutsch

Peter Kress

Guido Zimmermann

Hans Deusser

Andreas Stubbe

Pedro Cavaleiro

Thorsten Ladwig

Peter Bauermann

Jan-Bernd Kues

Thorsten Schultz

Juri Tschernjaew

Stefan Heberer

Markus Hartmann

Sascha Herrwerth

Rainer Hahn

Edwin Staab

Matthias Rochnia

Jan Berger

Ralph Brandes

Stefanie Schroeder

Magdalena Kern

Hans-Leo Karminski

Kurt Spitznagel

Michael Kröll

Geoffrey J Varga

Rüdiger Mertsch

Thomas Hennig

Tina Gross

Andrea Tietze

Winfried Weber

Susanne Reinhart

Volker Kasack

Rüdiger Nowak

Katharina Schulz

Andreas Garbatscheck

Sabine Leick

Vlasta Valter

Georg DÜRR

An aqueous dispersion can be used to prepare a lacquer preparation. The aqueous dispersion includes silicon dioxide and at least one of 2,2,4-trimethyl-1,6-hexamethylenediamine and 2,4,4-trimethyl-1,6-hexamethylenediamine.

Aqueous dispersion containing silicon dioxide and trimethyl-1,6-hexamethylendiamine

An aqueous dispersion can contain a) 50-80 wt.-% water, b) 10-30 wt.-% hydrophilic silicon dioxide with a methanol wettability of 0 vol.-% methanol in a methanol-water mixture, c) 2-25 wt.-% alcohol alkoxylate, d) 0.1-20 wt.-% silanol, obtained by the hydrolysis of at least one dialkoxysilane, e) 0.5-4 wt.-%, amine or an amine alcohol, f) 0.1-20 wt.-%, copolymer with side chains containing ethers and esters, and g) 0.1-6.0 wt.-% polyethylene glycol or polypropylene glycol.

Hydrophilic aqueous dispersion containing silicon dioxide and silanol, and paint preparation

Aqueous dispersion comprising hydrophobized silicon dioxide particles, comprising Paint formulation comprising the dispersion.

Dispersion comprising hydrophobized silicon dioxide particles, and paint preparation

Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles , the silicon dioxide nanoparticles have a dof between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.

High-transparency polycarbonates with scratch-resistant coating, process for production thereof and use thereof

The present invention relates to innovative antifouling additives, to a process for producing them, to coating systems comprising the antifouling systems of the invention, to a process for producing the coating systems, and to the use of the antifouling additives and coating systems of the invention for preventing the underwater fouling of surfaces of objects which are in contact or come into contact with water.

Microstructured multifunctional inorganic coating additives for preventing fouling (growth of biofilm) in aquatic applications

Surface-modified indium-tin oxides are produced by mixing the oxides with the surface-modifying agent in liquid or vapor form and heat treating the mixture.

Surface-modified indium-tin oxides

Dispersion of fumed silica comprising a silanized, structurally modified silica and a solvent. It is used for producing coating materials.

Fumed silica dispersion

Nanoscale, pyrogenically produced zinc oxide having a BET surface area of 10 to 200 m/g, which is in the form of aggregates of anisotropic primary particles and whereby the aggregates display an average diameter of 50 to 300 nm. It is obtained from zinc powder, which is converted to zinc oxide powder in the four successive reaction zones, evaporation zone, nucleation zone, oxidation zone and quench zone. It can be used in sunscreen formulations.

Nanoscale zinc oxide, process for its production and use

Nanoscalar, pyrogenically produced yttrium-zirconium mixed oxide which has a BET surface area of between 1 and 600 m/g, a total chloride content of less than 0.05 wt. % and does not exhibit a conversion into the monoclinic phase during storage is produced by atomizing yttrium compounds and zirconium compounds and reacting them in a flame. The mixed oxide can be used as ceramic raw material.

Nanoscalar pyrogenically produced yttrium-zirconium mixed oxide

A dispersion of pyrogenically produced cerium oxide, which does not contain any particles larger than 1 &#x3bc;m, is produced by dispersing a pyrogenically produced cerium oxide in water by means of a dissolver, centrifuging it, separating the supernatant from the bottom product, and again dispersing the supernatant by means of ultrasound. The dispersion can be used for chemical-mechanical polishing (CMP).

Dispersion of pyrogenically produced cerium oxide

Methods of making hydrophobic, pyrogenically produced silica having a tamped density, of 55 to 200 g/l. Said silica is produced by hydrophobizing pyrogenically produced silica by reaction with a halogen free silane and then compacting it with means consisting of a roller compactor or a belt filter press. The silica may be used for the production of dispersions.

Hydrophobic silica

Surface-modified, pyrogenically produced aluminum oxide which is has the following physico-chemical properties:

Surface-modified pyrogenically produced aluminum oxide

Surface-modified, pyrogenically produced titanium dioxide which has the following physico-chemical properties:

Surface-modified pyrogenically produced titanium dioxide

Surface-modified, pyrogenically produced aluminum oxide which has the following physico-chemical properties:

Surface-modified, pyrogenically produced titanium dioxide which is has the following physico-chemical properties:

Growing community of inventors

Karlstein, Germany

Günther Michael