Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions
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United States of America Patent
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Mar 17, 1998
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N/A
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May 14, 1996
filing date -
Apr 29, 1994
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Abstract
There is provided a method for making monovalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite intermediate. This intermediate is then contacted with a monovalent organic anion to form a hydrotalcite-like material. The latter is then separated from the suspension. Representative materials include a stearate-, acetate- or benzoate-intercalated hydrotalcite-like material.
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