Mineral substance based on a reversibly swellable tri-laminar mi

Details Mineral substance based on a reversibly swellable tri-laminar mi Mineral substance based on a reversibly swellable tri-laminar mi

1978-07-18

1981-07-07

Robinson, Ellis P.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

241 21, 428402, 428409, 428363, 252378R, B32B 1900, C01B 3322

Patent

active

042774560

ABSTRACT:
A fine-grain crystalline mineral selected from the group consisting of vermiculite and hydro-mica is contacted with water to swell the fine grain mineral and the swollen mineral is thereafter comminuted under conditions preserving its crystalline structure to provide a reversibly swellable tri-laminar mineral which is crystalline over a large area and in which the crystal layers or laminations are separated from one another.

REFERENCES:
patent: 2405576 (1946-08-01), Heyman
patent: 2810425 (1957-10-01), Heyman
patent: 2865426 (1958-12-01), Heyman
patent: 3325340 (1967-06-01), Walker
patent: 3618753 (1971-11-01), Glasspoole

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