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        Novel Hybrid Nanostructures of Carbon Nanotube/Fullerene-like Tungsten Disulfide as Reinforcement for Aramid Fabric Composites

        Vera Obradović,Danica Simić,Milorad Zrilić,Dušica B. Stojanović,Petar S. Uskoković 한국섬유공학회 2021 Fibers and polymers Vol.22 No.2

        Multilayered composites based on aramid fabrics are widely used in impact protection. The objective of this studyis creating a new kind of multiaxial aramid fabric composites with inorganic fullerene-like tungsten disulfide nanoparticles(IF-WS2) and single walled carbon nanotubes (SWCNT) used as nanoreinforcement to enhance the dynamic mechanical andanti-stabbing properties of the composites. The four composites of the Kolon fabric forms were impregnated with 10 wt.%poly(vinyl butyral) (PVB)/ethanol solution which contained different forms of IF-WS2 nanoparticles. The surfaces of IF-WS2were coated with silane coupling agent (m-IF) and the SWCNT were oxidized (o-SWCNT) for the fabrication of the o-SWCNT/m-IF hybrid nanoparticles. The mechanical testing showed that the Kolon/PVB/o-SWCNT/m-IF sample producednearly 62 % of improvement in the tensile strength and 51 % of improvement in the tensile energy absorption compared tothe Kolon/PVB sample. Furthermore, the sample with the o-SWCNT/m-IF hybrid nanoparticles demonstrated 24 % ofenhancement in the impact toughness and 48 % of improvement in the absorbed energy after knife penetration in comparisonwith the Kolon/PVB sample.

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