Process for the manufacture of monomeric and oligomeric silicic

Details Process for the manufacture of monomeric and oligomeric silicic Process for the manufacture of monomeric and oligomeric silicic

Filed on

1978-09-28

Date issued

1980-10-07

Examiner

Shaver, Paul F.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Silicon containing

Other Related Categories

C07F 704

Type

Patent

Status

active

Patent number

042267935

Description

ABSTRACT:
An improvement in a process for forming an orthosilicic acid ester or an oligomer thereof by contacting a tetrachlorosilane or higher homolog thereof with a primary alcohol, the improvement which comprises introducing the alcohol directly into a tetrachlorosilane liquid phase without said alcohol touching the gas phase and, after completion of the reaction, removing hydrogen chloride formed during the reaction from the reaction zone.

REFERENCES:
patent: 2484394 (1949-10-01), van Zwet
patent: 3985781 (1976-10-01), Kotzsch et al.
patent: 4060538 (1977-11-01), Kotzsch et al.

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