Synthetic halloysites

Details Synthetic halloysites Synthetic halloysites

1974-11-19

1979-04-17

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

252455R, 423328, C01B 3326

Patent

active

041500997

ABSTRACT:
A synthetic halloysite which is substantially iron-free is obtained by crystallization from a reaction mixture containing hydrous alumina gel and aqueous silica sol. Metal substituted synthetic halloysites can be prepared by coprecipitation of metal hydroxides with the alumina gel.

REFERENCES:
patent: 2744056 (1956-05-01), Offutt et al.
Ross et al., "Halloysite and Allophane", Professional Paper 185-G, 1934, U.S. Dept. of the Interior, pp. 134-144.
Carroll et al., "Clays and Clay Minerals", 1960, Proceedings of the Seventh Nat. Conf. on Clays & Clay Minerals, pp. 80, 90-99.
Stubican, "Clays and Clay Minerals", 1960, Proceedings of the Seventh Nat. Conf. on Clays & Clay Minerals, p. 295.
Barrer et al., "J. Chem. Soc.", 1961, pp. 983-990.
Barrer et al., "J. Chem. Soc.", 1964, pp. 2296-2305.

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