Process of slurrying and spray drying ceramic oxides with polyet

Details Process of slurrying and spray drying ceramic oxides with polyet Process of slurrying and spray drying ceramic oxides with polyet

1981-02-06

1981-11-17

McCarthy, Helen M.

Compositions

Magnetic

Iron-oxygen compound containing

106308N, 106308F, 106308Q, 106288B, 501 1, 264 13, 423594, C04B 3538

Patent

active

043010202

ABSTRACT:
Many ceramics are produced with a processing sequence that includes spray drying or ball milling a slurry. To produce ceramics with the best properties and to facilitate ball milling or spray drying, a dispersant is normally added to the ceramic slurry. Ammonium citrate and polyethylenimine have been found to produce ceramic slurries with the desired characteristics. The dispersants appear especially well suited for use with ferrite slurries.

REFERENCES:
patent: 3455718 (1969-07-01), Dithmar et al.
patent: 3597253 (1971-08-01), Beschke et al.
patent: 3615811 (1971-10-01), Barrett
patent: 3663284 (1972-05-01), Stancioff et al.
patent: 4144083 (1979-03-01), Abercrombie
patent: 4226843 (1980-10-01), Watanabe et al.
patent: 4267065 (1981-05-01), Johnson et al.

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