Process for producing a mixture of sulfides of alkaline earth me

Details Process for producing a mixture of sulfides of alkaline earth me Process for producing a mixture of sulfides of alkaline earth me

1988-07-25

1990-02-20

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 39, 252 427, C10M15922

Patent

active

049024361

ABSTRACT:
A process for producing a mixture of sulfides of alkaline earth metal salts of an alkylhydroxybenzoic acid and an alkylphenol comprising the steps of: reacting a mixture of a phenol, a dihydric alcohol and an alkaline earth metal oxide and/or hydroxide (hereinafter referred to as an alkaline earth metal reagent) in an amount of no more than 0.99 gram equivalents per gram equivalent of said phenol; distilling off water and the dihydric alcohol until the amount of the dihydric alcohol becomes no more than 0.6 moles per mole of the alkaline earth metal reagent; reacting the resulting distillation residue with carbon dioxide; and reacting the resulting product with elemental sulfur in an amount of 0.1-4.0 moles per mole of the alkaline earth metal reagent.

REFERENCES:
patent: 4057504 (1977-11-01), Shiga et al.
patent: 4518807 (1985-05-01), Hori et al.
patent: 4710308 (1987-12-01), Stauffer
patent: 4744921 (1988-05-01), Liston

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