Process for the manufacture of organophilic clay

Details Process for the manufacture of organophilic clay Process for the manufacture of organophilic clay

1995-09-12

1997-04-01

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

106487, 252314, 501148, 524445, B01J 1300, C04B 1410, C04B 3304

Patent

active

056162863

ABSTRACT:
Organically modified clays are advantageously prepared in a direct addition, low moisture process by mixing clay, a cationic, organic material, and an optional dispersant under high pressure conditions such that the cationic organic compound substitutes for inorganic cations in the clay. Processing is preferably carried out in several separate stages under pressure conditions of at least 3,000 psi, and it is preferred that at least one of the processing stages takes place at a pressure of at least 8,000 psi.

REFERENCES:
patent: 2531427 (1950-11-01), Hauser
patent: 2531440 (1950-11-01), Jordan
patent: 4382868 (1983-05-01), House
patent: 4569923 (1986-02-01), Knudson, Jr. et al.
patent: 4623398 (1986-11-01), Goodman et al.
patent: 4664820 (1987-05-01), Magauran et al.
patent: 4664842 (1987-05-01), Knudson, Jr. et al.
patent: 4743305 (1988-05-01), Doidge et al.
patent: 5028351 (1991-07-01), Kato et al.
patent: 5110501 (1992-05-01), Knudson, Jr. et al.
patent: 5334241 (1994-08-01), Jordan

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