METHOD OF PRODUCING SULFUR-CONTAINING AROMATIC POLYMER
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United States of America Patent
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Issued Date -
Jan 22, 2009
app pub date -
Jan 26, 2007
filing date -
Jan 27, 2006
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Abandoned
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Abstract
A method of producing a polymer of a sulfur-containing aromatic compound includes reacting, under heating, a halide of a sulfur-containing aromatic compound having at least one aromatic ring and at least one ring containing one or more disulfide bonds wherein one side of the disulfide-containing ring constitutes one side of the aromatic ring, with inorganic sulfur in an amount equivalent to 2 to 8 S atoms relative to 1 mol of the halide of the sulfur-containing aromatic compound in the presence of at least one inorganic base selected from the group consisting of an alkali metal hydroxide, an alkali metal hydrogen carbonate and an alkali metal carbonate and/or at least one organic base selected from the group consisting of a tri(lower alkyl)amine and a heterocyclic amine in an organic solvent.
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