Huels Aktiengesellschaft

Degussa Aktiengesellschaft

Degussa-huels Aktiengesellschaft

Evonik Degussa Gmbh

Frank Kropfgans

Burkhard Standke

Jaroslaw Monkiewicz

Michael Horn

Claus-Dietrich Seiler

Albert Frings

Hartwig Rauleder

Hans-Guenther Srebny

Hans-Joachim Koetzsch

Peter Jenkner

Albert-Johannes Frings

Hans-Joachim Kotzsch

Helmut Mack

Roland Edelmann

Ralf Laven

Gerda Grund

Ekkehard Mueh

Reinhold Schork

Hermann-Josef Korte

Christoph Schwarz

Frank Steding

Norbert Schladerbeck

Hans-Joachim K&ouml;tzsch

Hans-G&uuml;nther Srebny

Ingo Pauli

Peter Loewenberg

Janaina Marinas Perez

Jim Steinmetz

Joachim Diefenbach

André Mecklenburg

The invention provides a method for the processing of finely divided solids during the production of chlorosilanes, which is characterized in that the finely divided solids are hydraulically pressed to give bodies of increased density. Moreover, also provided is the compact obtained by the process according to the invention which is characterized by a filling factor of the finely divided solids to be hydraulically pressed of 3.9 to 4.5.

Method for processing finely divided solids during production of chlorosilanes

Cleavage of cyclic organosilanes in the preparation of aminofunctional organoalkoxysilanes

Apparatus and process for preparing substantially halogen-free trialkoxysilanes

Manufacturing process for aminoalkyl silanes

Process for preparing alkoxysilanes

The present invention relates to a process for neutralizing and reducing the residual halogen content in alkoxysilanes and alkoxysilane-based compositions, which includes treating an alkoxysilane having a residual content of acidic halide, or a corresponding alkoxysilane-based composition, with metallic magnesium in the presence of an alcohol and separating off the resulting solids.

Process for neutralizing and reducing residual halogen contents in alkoxysilanes or alkoxysilane-based compositions

A process for preparing an alkoxysilane with an acidic chloride content of less than 10 ppm by weight, comprising:

Process for preparing low-chloride or chloride-free alkoxysilanes

Process for preparing alkylhydrogenchlorosilanes

3-Acryloyloxypropylalkoxysilanes of formula I:

Process for the preparation of 3-acryloyloxypropylalkoxysilanes

The invention relates to water-based organopolysiloxane containing compositions which are essentially free from organic solvents, have a flash point above 70.degree. C. and essentially liberate no alcohols by hydrolysis on dilution with water. The organopolysiloxane-containing compositions according to the invention are obtainable by mixing M mol of water-insoluble organotrialkoxysilanes with Q mol of water-soluble aminoalkylalkoxysilanes in a molar ratio of 0&lt;M/Q.ltoreq.2, adding water to the mixture, adjusting the pH of the reaction mixture to a value of between 1 and 8 and removing alcohol already present and/or formed during the reaction. The process for the preparation of the organopolysiloxane-containing compositions according to the invention and their use are also disclosed.

Water-based organopolysiloxane-containing compositions, processes for

3-Halo- and pseudohalo-alkylsilane esters are prepared by reacting an allyl X compound or a compound containing an allyl X structure with a hydridosilane ester in the presence of an iridium catalyst prepared under specific conditions and/or the reaction medium containing a 0.01-100 mol % excess of the allyl X compound or compound containing the allyl X unit relative to the amount of hydridosilane ester reactant.

Process for the preparation of 3-halo-and pseudohalo-alkylsilane esters

Process for preparing aminopropylalkoxysilanes in the presence of shaped

Hydrogenalkoxysilanes are prepared by direct reaction of finely divided metallic silicon with alcohols in the presence of copper-containing catalysts in a heat-transfer oil comprising tritoluenes, tetratoluenes or mixtures thereof at from 100.degree. to 350.degree. C.

Process for preparing hydrogenalkoxysilanes

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Rheinfelden, Germany

Frank Kropfgans