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2116515 
Journal Article 
Preparation of organopolysiloxanes 
Mutoh, K; Mohara, Y; Ueno, S 
2004 
For the preparation of organopolysiloxanes, water glass diluted with water to a concentration of 3 to 15 wt % is reacted with a triorganohalosilane in the presence of an acid and an oxygen-containing solvent such as isobutyl alcohol, methyl isobutyl ketone or 1-pentanol. The invention achieves a considerable reduction of the environmental load, an improved utilization of reactants, an improved yield, and a cost reduction, and enables production of low viscosity MQ resins. 
Ketones; Polymers; Viscosity; Reduction; Glass; Solvents; Resins; Inventions; Isobutyl alcohol; Dilution; Cost reduction