Invention Grant
- Patent Title: Sulfur and alkali metal containing imidazole fiber having ionically bound halides
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Application No.: US15966107Application Date: 2018-04-30
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Publication No.: US10400357B2Publication Date: 2019-09-03
- Inventor: Steven R Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J Rodini , Andrew J Sitter
- Applicant: E I DU PONT DE NEMOURS AND COMPANY
- Applicant Address: US DE Wilmington
- Assignee: E I DU PONT DE NEMOURS AND COMPANY
- Current Assignee: E I DU PONT DE NEMOURS AND COMPANY
- Current Assignee Address: US DE Wilmington
- Main IPC: D01F6/78
- IPC: D01F6/78 ; D01F6/74 ; D01F6/80
Abstract:
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, the fiber exhibiting hydrochloric acid evolution as identified by TGA-IR between 277.13° C. to 448.19° C.
Public/Granted literature
- US20180245245A1 SULFUR AND ALKALI METAL CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BOUND HALIDES Public/Granted day:2018-08-30
Information query
