F-12 aramid fiber was subjected to surface modification,and the electroless plating method was used to load two layers of metal,nickel and silver,successfully prepared a nickel-silver aramid composite conductive fiber.Observing the surface morphology of the aramid fibers by SEM,the composition and phase structure of the coating were analyzed using EDS and XRD,the electrical conductivity,thermal stability,mechanical properties,surface silver layer adhesion and acid and alkali corrosion resistance of the fibers were tested.The results shown that the metal layer on the surface of the nickel-silver aramid fiber was smooth and dense,the interface bonding strength was high,and there were no obvious defects on the surface.The resistivity was 0.92×10-7Ω/cm,which shown the conductivity was good.Besides,the 5% thermal weight loss temperature was 506℃,which was excellent in heat resistance,and its tensile strength was 2.53GPa.It was a kind of high-performance organic conductive fibers.
Zhan Linzhong, Dong Nanxi, Han Guangtao, Tian Guizhi, Wu Haisheng, Tian Guofeng, Qi Shengli, Wu Dezhen
. Study on preparation and performance of Nickel-silver Aramid conductive fiber[J]. New Chemical Materials, 2021
, 49(6)
: 93
-97
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.06.021
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