Vermiculite products produced by exfoliation pulverization and c

Compositions – Exfoliated or intumesced

Patent

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Details

210500R, 252455R, 252457, 106DIG3, B01J 2116, B01D 3906, B28D 132, C04B 3126

Patent

active

039533573

ABSTRACT:
A process for the preparation of vermiculite particles having enhanced properties which comprises exfoliating crude vermiculite without substantially changing its structural strength, pulverizing the exfoliated particles and subjecting them to a heat treatment so as to cause at least partial calcination.

REFERENCES:
patent: 1922448 (1933-08-01), Minor
patent: 2029524 (1936-02-01), Denning
patent: 2311588 (1943-02-01), Denning
patent: 2798674 (1957-07-01), Denning
patent: 2868735 (1959-01-01), Myers
patent: 3235635 (1966-02-01), Riede
patent: 3357929 (1967-12-01), Olstowski

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