Crompton Gmbh

General Electric Company

Momentive Performance Materials Gmbh

Michelle A Filipkowski

Herbert E Petty

Curtis L Schilling, Jr

R Shawn Childress

Mark D Westmeyer

Melinda B Hale

Rodica Himmeldirk

Petty E Herbert

A highly efficient method is provided for preparing secondary aminoisobutylalkoxysilanes by reacting hydridoalkoxysilanes with secondary methallylamines in the presence of a hydrosilation catalyst.

Preparation of secondary aminoisobutylalkoxysilanes

A process of preparing compounds containing silicon-carbon bonds by the hydrosilation of a hydridoalkoxysilyl reactant with an olefinic reactant comprises operating the process in the presence of a platinum catalyst and a reaction promoter comprising a weakly nucleophilic amine of the formula NZ Z Z wherein Z is an aryl, alkaryl, or aralkyl group of C to C carbon atoms, or an organosilyl substituent, SiR , wherein R is an alkyl of C to C or an aryl of C to C , Z is hydrogen, alkyl of C to C , an aryl, alkaryl, or aralkyl group of C to C carbon atoms or SiR , wherein R is as previously defined; Z is the same as Z or Z , and, optionally, two Of Z , Z and Z taken together with the nitrogen atom form an aromatic heterocyclic ring.

Promoted hydrosilation reactions

A method is provided for preparing high purity organofunctional alkyldialkoxysilanes by reacting hydroalkyldialkoxysilanes with olefins wherein formation of undesired close-boiling by-products by an alkyl/alkoxy group exchange reaction is minimized.

High purity organofunctional alkyldialkoxysilanes

Growing community of inventors

Marietta, OH, United States of America

Michelle A Filipkowski