Method of producing granular synthetic silica

Details Method of producing granular synthetic silica Method of producing granular synthetic silica

1986-09-04

1989-02-21

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C01B 3312

Patent

active

048063290

ABSTRACT:
A method of producing synthetic silica which is characterized by hydrolyzing a tetraalkoxysilane under a basic condition in the presence of an ammonium salt.

REFERENCES:
patent: 3798174 (1974-03-01), Acker et al.
patent: 3850971 (1974-11-01), Termin et al.
patent: 3983055 (1976-09-01), Mitchell et al.
patent: 4327065 (1982-04-01), von Dardel et al.
patent: 4402927 (1983-09-01), von Dardel et al.
Chemical Abstracts, vol. 104, No. 9, 68423m, 3/3/86 Hydrolysis of tetraethoxysilane in the presence of salt catalysts.

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