Polar aprotic catalysts for formation of fluorosilicone fluids

Details Polar aprotic catalysts for formation of fluorosilicone fluids Polar aprotic catalysts for formation of fluorosilicone fluids

C - Chemistry, Metallurgy

07

F

260/443.7

C07F 7/08 (2006.01) C07F 7/21 (2006.01) C08G 77/04 (2006.01) C08G 77/08 (2006.01) C08G 77/24 (2006.01)

Patent

CA 2025242

Docket No.: 60SI-1149 ABSTRACT OF THE DISCLOSURE There is provided a process for producing low molecular weight silanol end-stopped diorganopolysiloxanes containing an average of 3 to to diorganosiloxy units and averaging 6 diorganosiloxy units comprising contacting a cyclic trimer of the formula: (R2SiO)3 where R is selected from the class consisting of monovalent hydrocarbon radicals and halogenated monovalent hydrocarbon radicals with a mixture comprising an aprotic solvent and water and separating the desired product after the hydrolysis.

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