Wacker-chemie Gmbh

Die Wacker-chemie Gmbh

Horst Muller

Johann Schuster

Volker Frey

Rudolf Riedle

Otto Schneider

Edgar Schmidt

Ludwig Hager

Anton Maier

Johann Mersch

Rudolf Braun

Ferdinand Pradl

Martin Piehler

Burkhard Grune

Johann Steiner

Helmut Huber

Peter Webeck

Wilhelm Zadny

Gerhard Lwowski

Heinrich Glocklhofer

Helmut Vorbuchner

Ignaz Bauer

Helmut Wohrl

The organopolysiloxane compositions are prepared by mixing

Process for the preparation of storage-stable organopolysiloxane

The organopolysiloxane compositions are prepared by

Continuous process for preparing storage-stable organopolysiloxane

The invention relates to a method for preparing homogeneous dispersions of fluidizable bulk materials, wherein, in a first step, fluidizable bulk materials are blended with liquid to produce a raw dispersion and, in a second step, the raw dispersion is conveyed through a continuous enclosed dispersing apparatus by means of a forced-conveyance apparatus.

Homogenization of dispersions

A process for the continuous preparation of organopolysiloxane by condensation and/or equilibration reaction of organosilicon compounds comprising in a first step

Process for the continuous preparation of organopolysiloxanes

The invention relates to a process for rendering particulate solids containing Si-OH groups hydrophobic which comprises reacting a water repellent containing an organo-silicon compound with particulate solids containing Si-OH groups with simultaneous mechanical loading of the reaction mixture, in which from 5 to 50 percent by weight of the particulate solids containing Si-OH groups are used, based on the total weight of the reaction mixture containing particulate solids and water repellent, and the use of the resultant hydrophobic particulate solids in compositions containing diorganopolysiloxanes, which can be cured to form elastomers.

Process for preparing hydrophobic particulate solids containing Si-OH

The present invention relates to compositions containing phosphonitrile chlorides and/or compositions thereof containing reaction products which accelerate the condensation and/or equilibration of organo(poly)siloxanes, halogen-free organic solvents and solubilizers and the use of such compositions in the condensation and/or equilibration of organo(poly)siloxanes.

Compositions containing phosphonitrile chlorides

A process for preparing silicon-containing acetamide derivatives which comprises reacting acetamide or substituted derivatives thereof with N-trimethylsilyl imidazole while continuously removing the silicon-containing acetamide derivatives as they are formed by distillation.

Process for preparing silicon-containing acetamide derivatives

Disiloxanes of the general formula (CH.sub.2 .dbd.CHR.sub.2 Si).sub.2 O, where R represents the same or different, monovalent hydrocarbon radicals, are obtained by reacting a compound of the formula (CH.sub.2 .dbd.CHRClSi).sub.2 O with a Grignard compound of the formula RMgX, where R is the same as above and X represents chlorine, bromine or iodine.

Process for preparing disiloxanes

A process for preparing oxime containing silicon compounds which comprises reacting an oxime with a silicon compound having at least three nitrogen atoms linked to the same silicon atom through Si--N bonding per molecule.

Process for preparing oxime containing silicon compounds

An improved process for preparing bis-(trimethylsilyl-)urea which comprises reacting urea with hexamethyldisilazane in the presence of a catalytic amount of salts selected from the class consisting of ammonia, basic amine comounds and quaternary ammonium hydroxides.

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Emmerting, Germany

Horst Muller