Process for making alpha, omega-siloxanediols

Details Process for making alpha, omega-siloxanediols Process for making alpha, omega-siloxanediols

C - Chemistry, Metallurgy

07

F

260/443.7

C07F 7/08 (2006.01)

Patent

CA 1115726

ABSTRACT OF THE DISCLOSURE Alpha, omega-siloxanediols are prepared from alpha, omega-discyl- oxysiloxanes by heating the siloxanes with an aqueous solution of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, potassium bicarbon- ate, potassium carbonate or ammonium hydroxide having a pH of from 8 to 11 to a temperature of at least 50°C. the alpha, omega-siloxanediols so formed are effective antstructive agents (softener fluids) for silicone rubber.

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