Method for producing alkali and alkaline earth alloys and...

C - Chemistry – Metallurgy – 22 – C

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C22C 1/00 (2006.01) B01J 23/02 (2006.01) B01J 23/04 (2006.01) C22C 24/00 (2006.01)

Patent

CA 2751291

The invention relates to a method for producing alkali and alkaline earth alloys. The invention also relates to the use of the alkali and alkaline earth compounds. In order to create a novel method for producing alkali and alkaline earth alloys, it is proposed within the context of the invention that salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds be mixed with salts, hydroxides, alkoxides or oxides of semi-metals, nonmetals or metals and then heated to at least 100°C, wherein the salts, hydroxides, alkoxides or oxides of alkali or alkaline earth metals are present in a molar ratio of 1:1 or in excess in relation to the salts, hydroxide, alkoxides or oxides of the semi-metals, nonmetals or metals. Surprisingly, within the context of the invention, it has been shown that, by mixing salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds with salts, hydroxides, alkoxides or oxides of semi-metals or metals from the 3rd or 4th main group and subsequent heating, alkali or alkaline earth alloys can be produced.

L'invention concerne un procédé de préparation d'alliages d'alcalins et d'alcalinoterreux et l'utilisation des alliages d'alcalins et d'alcalinoterreux. L'invention vise à proposer un nouveau procédé de préparation d'alliages d'alcalins et d'alcalinoterreux. A cet effet, des sels, hydroxydes, alkoxydes ou oxydes de composés alcalins ou alcalinoterreux sont mélangés à des sels, hydroxydes, alkoxydes ou oxydes de semi-métaux, non-métaux ou métaux puis chauffés à au moins 100 °C, les sels, hydroxydes, alkoxydes ou oxydes des composés alcalins ou alcalinoterreux étant présents dans un rapport molaire de 1:1 ou en excès par rapport aux sels, hydroxydes, alkoxydes ou oxydes des semi-métaux, non-métaux ou métaux. Il s'est avéré que le mélange de sels, hydroxydes, alkoxydes ou oxydes de composés alcalins ou alcalinoterreux à des sels, hydroxydes, alkoxydes ou oxydes de semi-métaux, non-métaux ou métaux du 3ème ou 4ème groupe principal et le chauffage consécutif permettent de préparer des alliages d'alcalins et d'alcalinoterreux.

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