摘要 |
The present invention concerns fiber made from a polymer comprising imidazole groups, the polymer further having: i) halide anions being present in an amount in the range of 0.05 to 20.1 weight percent, based on weight of fiber; ii) sulfur, wherein the sulfur is present in the fiber in an amount in the range of 0.05 to 3 weight percent, based on weight of fiber; and iii) alkali metal ion, wherein the alkali metal ion is present in the fiber in an amount in the range of 0.05 to 2 weight percent, based on weight of fiber. |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
ALLEN, STEVEN, R.;GABARA, VLODEK;LOWERY, JOSEPH, LENNING;NEWTON, CHRISTOPHER, WILLIAM;RODINI, DAVID, J.;SITTER, ANDREW, J. |