Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1980-05-19
1981-09-08
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
C07F 704, C07F 718
Patent
active
042886040
ABSTRACT:
Tetraalkyl silicates are produced by the reaction of silicon metal with an alkanol in the presence of an alkali metal salt of an alkoxyalkoxy alcohol or a polyalkylene glycol in either an alkoxyalkoxy alcohol or a polyalkylene glycol or mixtures thereof and recovery of the product. Tetramethyl silicate and tetraethyl silicate are the preferred products. The preferred alkoxyalkoxy alcohol is 2-(2-butoxyethoxy)ethanol. The preferred glycol is diethylene glycol. An indifferent solvent and/or a hydroxide-scavenger may be employed in the reaction mixture.
REFERENCES:
patent: 3627807 (1971-12-01), Bleh et al.
patent: 3803197 (1974-04-01), Anderson et al.
patent: 4113761 (1978-12-01), Kreuzburg et al.
patent: 4197252 (1980-04-01), Joch et al.
patent: 4211717 (1980-07-01), Emblem et al.
Magee Walter L.
Telschow Jeffrey E.
Friedlander Henry Z.
Shaver Paul F.
Stauffer Chemical Company
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