Method for improving the dispersibility of organoclays

Details Method for improving the dispersibility of organoclays Method for improving the dispersibility of organoclays

1985-08-13

1986-12-23

Morris, Theodore

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

501145, 501148, 501149, 106309, C04B 1400, C04B 3300

Patent

active

046310916

ABSTRACT:
An organoclay which is readily dispersible in an organic liquid composition, is prepared by suspending a smectite clay in water to form a fluid suspension; treating the suspension with a solution of an inorganic salt, the cation of which preferably has a valency of at least two, the concentration of the salt being such as to flocculate the smectite clay substantially completely; mixing the suspension of the flocculated smectite clay with a quaternary ammonium compound, at least one of the four alkyl groups of which has from 10 to 24 carbon atoms; and dewatering the resultant product.

REFERENCES:
patent: 4240951 (1980-12-01), Moll et al.
patent: 4412018 (1983-10-01), Finlayson et al.
patent: 4473407 (1984-09-01), Thompson et al.
Chem. Abst. 71:105673r, Mitra, N. K., 1969.

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