Sol of ultra-fine particles of synthetic hectorite

Details Sol of ultra-fine particles of synthetic hectorite Sol of ultra-fine particles of synthetic hectorite

1974-05-06

1976-02-03

Welsh, John D.

Compositions

Electrolytes for electrical devices

252 632, 252 635, 252313S, 252309, 106 74, 423326, 423331, 260 37M, 427372, 427201S, B01J 1300, H01B 302, C01B 3320

Patent

active

039363830

ABSTRACT:
This invention relates to a sol of ultra-fine particles of synthetic hectorite prepared by swelling and cleaving Li-hectorite having a formula of Li.sub.1/3 Mg.sub.2-2/3 Li.sub.1/3 (Si.sub.4 O.sub.10)F.sub.2 or Na-hectorite having a formula of Na.sub.1/3 Mg.sub.2-2/3 Li.sub.1/3 (Si.sub.4 O.sub.10)F.sub.2 in water or an organic solvent.
This invention further relates to a sol of the above hectorite in which Li or Na ions co-ordinated between lattice layers of the hectorite are ion-exchanged with non-hydratable cations.
This invention still further relates to a product prepared by using the above sol.

REFERENCES:
patent: 3666407 (1972-05-01), Orlemann
patent: 3671190 (1972-06-01), Neumann
Granquist et al., "A Study of the Synthesis of Hectorite", Mellon Inst., Pitts., Pa. (1969).

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