SULFUR-CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BONDED HALIDES

The present invention concerns fiber made from a polymer comprising imidazole groups, fiber further having: i) a halide anion, the halide anion being present in an amount of 0.05 to 20.1 weight percent, based on weight of fiber; and ii) sulfur, wherein the sulfur is present in the fiber in an amount...

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Bibliographische Detailangaben
Hauptverfasser: Allen, Steven R, Lustig, Steven Raymond, Gabara, Vlodek, Newton, Christopher William, Rodini, David J, Sitter, Andrew J, Lowery, Joseph Lenning
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention concerns fiber made from a polymer comprising imidazole groups, fiber further having: i) a halide anion, the halide anion being present in an amount of 0.05 to 20.1 weight percent, based on weight of fiber; and ii) sulfur, wherein the sulfur is present in the fiber in an amount of 0.05 to 3 weight percent; the fiber exhibiting hydrochloric acid evolution as identified by TGA-IR between 277.13° C. to 448.19° C.