Constructing Anhydrous Proton Conductive Aramid Membranes through Grafting Kevlar Micro-fibrils with Phosphoric Acid 


Vol. 22,  No. 6, pp. 1502-1510, Jun.  2021
10.1007/s12221-021-0441-z


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  Abstract

Polyparaphenylene terephthalamide (PPTA) is a para-aramid polymer and it has been widely used as the ultra-light functional material in the fields of energy storage and transformation, military and aviation owing to some merits of strength, stability and lightweight, etc. The aim of this work is to propose a facile strategy of constructing anhydrous proton conductive aramid membranes through grafting Kevlar micro-fibrils with phosphoric acid (PA). In the prepared Kevlar-PA structure, PA molecules functioned as bridges to link the neighboring molecular chains through the formed intermolecular hydrogen bonds. More PA molecules were doped while Kevlar-PA membranes were immersed into (100-50) wt.% PA solutions with the formation of (Kevlar-PA)/(100 %-50 %)PA membranes. Successful construction of Kevlar-PA structure could guarantee fine performance on proton conduction in (Kevlar-PA)/(100 %-50 %)PA membranes. Specifically, (Kevlar-PA)/100 %PA membranes showed the anhydrous proton conductivity of 2.68

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  Cite this article

[IEEE Style]

C. A. P. C. A. M. t. G. K. M. w. P. Acid, "Constructing Anhydrous Proton Conductive Aramid Membranes through Grafting Kevlar Micro-fibrils with Phosphoric Acid," Fibers and Polymers, vol. 22, no. 6, pp. 1502-1510, 2021. DOI: 10.1007/s12221-021-0441-z.

[ACM Style]

Constructing Anhydrous Proton Conductive Aramid Membranes through Grafting Kevlar Micro-fibrils with Phosphoric Acid. 2021. Constructing Anhydrous Proton Conductive Aramid Membranes through Grafting Kevlar Micro-fibrils with Phosphoric Acid. Fibers and Polymers, 22, 6, (2021), 1502-1510. DOI: 10.1007/s12221-021-0441-z.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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