Method for disintegrating mica flakes and apparatus used therefo

Details Method for disintegrating mica flakes and apparatus used therefo Method for disintegrating mica flakes and apparatus used therefo

1978-04-19

1979-08-28

Lake, Roy

Solid material comminution or disintegration

Processes

Laminated or fibrous mineral material

241 20, 241 39, 241 791, B02C 1906

Patent

active

041658396

ABSTRACT:
Mica flakes are disintegrated to mica scales having a diameter of 10 mm or less and a ratio of diameter/thickness of 100-1000 by using an apparatus and a method comprising bringing about coarse size reduction followed by size reduction of the mica flakes by high-pressure jets of water, if desired together with high-pressure jets of gas, separating mica scales from mica flakes by vertical classification followed by horizontal classification, and taking out the mica scales as a slurry while recycling nondisintegrated mica flakes to size reduction. The slurry of mica scales is used for making mica paper.

REFERENCES:
patent: 2490129 (1949-12-01), Heyman
patent: 3162381 (1964-12-01), Cohn et al.
patent: 3206127 (1965-09-01), Morris et al.
patent: 3719329 (1973-03-01), Ruzicka

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