Dow Silicones Corporation

Dow Global Technolgoies LLC

Sean Reisch

Eric Jude Joffre

Xiaoyuan Zhou

Aaron Greiner

Christine Marchand

Reza Haghpanah

Kimmai Thi Nguyen

Brett Lee Zimmerman

Brian David Rekken

Patrick J Fryfogle

Nisaraporn Suthiwangcharoen

Hannah Furnier

Reza Hagh Panah

Towhid Hasan

Evan Bergman

Sean Paisley

Chris Simon

A process for preparing a cyclic polysiloxazane is disclosed. The cyclic polysiloxazane may optionally be converted to an a-alkoxy-ou-amino-functional polysiloxane. The cyclic polysiloxazane or the a-alkoxy-oo-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.

Processes for making polysiloxazanes and using same for producing amino-functional polyorganosiloxanes

A method for the preparation of an alkoxy-functional hydrogensiloxane oligomer includes reacting a polyorganohydrogensiloxane oligomer and an aliphatically unsaturated alkoxysilane in the presence of a hydrosilylation reaction and a promoter. The resulting crude reaction product is treated with a treating agent, and thereafter distilled to produce the alkoxy-functional organohydrogensiloxane oligomer. The alkoxy-functional hydrogensiloxane oligomer can be reacted with polyorganosiloxane having an aliphatically unsaturated monovalent hydrocarbon group to form a polyalkoxy-functional polyorganosiloxane. The polyalkoxy-functional polyorganosiloxane can be formulated in condensation reaction curable compositions.

Method for the preparation of an alkoxy-functional organohydrogensiloxane oligomer and use of said oligomer

A method for the preparation of an alkoxy-functional hydrogensiloxane oligomer includes reacting a polyorganohydrogensiloxane oligomer and an aliphatically unsaturated alkoxysilane in the presence of a hydrosilylation reaction and a promoter. The resulting reaction product is distilled, treated with a treating agent, and distilled again to produce the alkoxy-functional organohydrogensiloxane oligomer. The alkoxy-functional hydrogensiloxane oligomer can be reacted with polyorganosiloxane having an aliphatically unsaturated monovalent hydrocarbon group to form a polyalkoxy-functional polyorganosiloxane. The polyalkoxy-functional polyorganosiloxane can be formulated in condensation reaction curable compositions.

Method for the preparation use of an alkoxy-functional organohydrogensiloxane oligomer using purified starting materials an duse of the oligomer

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Sean Reisch