C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 1/00 (2006.01) B01J 13/00 (2006.01) C01B 13/32 (2006.01) C01B 13/34 (2006.01) C01F 7/00 (2006.01) C09K 8/84 (2006.01) C10M 125/10 (2006.01) C10M 177/00 (2006.01)
Patent
CA 2054937
ABSTRACT Crystalline layered mixed metal hydroxides (LMMHs) which are substantially free of unbound water and which conform esentially to the generic formula LimDdT(OH)(3+m+d), where m represents an amount of Li of from 0 to 3, D represents a divalent metal cation, and d represents an amount of D of from 0 to 8.0, T represents a trivalent metal cation, and (3+m+d) represents an amount which essentially satifies the valence requirements of Li, D and T, and where m+d does not equal zero, are prepared, in an organic reaction medium which is essentially free of unbound water, by mixing predetermined metal organo compounds in predetermined ratios and reacting the metal organo compounds with at least one reagent which supplies OH- ions to replace the beginning anions in the mixture of metal compounds. A preferred LMMH is one which conforms essentially to the generic formula MgdAl(OH)(3+d), where d represents the amount of Mg per each unit of Al. Useful anhydrous gels are among the useful products.
Burba John L. III
Knobel Thomas M.
Sims Steve A.
Burba John L. III
Knobel Thomas M.
Sims Steve A.
Smart & Biggar
The Dow Chemical Company
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