| abstract |
A process for the preparation of an organosilicon condensate which comprises reacting together a silicon containing a compound having at least one silanol group and a silicon containing compound having at least one —OR group or at least one silanol group (or a compound having both groups) in the presence of strontium oxide, barium oxide, strontium hydroxide or barium hydroxide and optionally a solvent such as water, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol and 2-butanol, acetone or toluene. |