Preparation of high purity polysulfides

Details Preparation of high purity polysulfides Preparation of high purity polysulfides

1991-08-21

1992-10-13

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

568 26, C07C32114

Patent

active

051552752

ABSTRACT:
This invention relates to a process for preparing polysulfide product generally containing an average of 3 to 6 sulfur atoms in high yield which degrades minimally over extended time periods. Minimal degradation is accomplished by a unique treatment process wherein chemical species, most notably unreacted mercaptans and catalysts which apparently promote degradation, are selectively removed from the polysulfide crude product.

REFERENCES:
patent: 3022351 (1962-02-01), Mihm et al.
patent: 3308166 (1967-03-01), Biensan et al.
Reid, E. E., Organic Chemistry of Bivalent Sulfur, Ch. 2. 1958.

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