Process for removing acidic impurities from alkoxysilanes

Details Process for removing acidic impurities from alkoxysilanes Process for removing acidic impurities from alkoxysilanes

1991-11-13

1993-09-21

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 770

Patent

active

052471179

ABSTRACT:
A process for removing acidic impurities from alkoxysilanes obtained from halogenosilanes and alcohols which inevitable contain small amounts of acidic impurities is described. In the process, at least one member selected from alkali metal salts of alcohols and amines having a great steric hindrance as having a bulky substituent is added to the alkoxysilane for a time sufficient to neutralize the acidic impurities and the mixture is purified by distillation to obtain a substantially acidic impurity-free alkoxysilane.

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patent: 4956486 (1990-09-01), Marko et al.
patent: 4962221 (1990-10-01), Huntress et al.
patent: 5104999 (1992-04-01), Satoh

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