Polyethers to obtain anhydrous magnesium chloride
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United States of America Patent
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-
Mar 25, 1980
Grant Date -
N/A
app pub date -
Mar 1, 1979
filing date -
Mar 1, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a process of producing anhydrous magnesium chloride of the type comprising: A. Mixing together a magnesium chloride hydrate, said hydrate containing minor amounts of water-soluble sulfate and boron compounds as impurities with diethyl ether of tetraethylene glycol to prepare 0.1-6.0% by weight slurry of MgCl.sub.2 in the diethyl ether of tetraethylene glycol and an azeotropic agent having a boiling point less than the diethyl ether of tetraethylene glycol in a quantity sufficient to remove water from said slurry; the improvement which comprises substituting dibutyl ether of tetraethylene glycol for the diethyl ether of tetraethylene glycol.
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