Functional polymer-polymer/carbon nanotube bi-component fibers
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- Functional polymer-polymer/carbon nanotube bi-component fibers
- Chien, An-Ting; Gulgunje, Prabhakar V.; Chae, Han Gi; Joshi, Aniruddha S.; Moon, Jaeyun; Feng, Bo; Peterson, G.P.; Kumar, Satish
- Nano-composite; Carbon nanotube; Bi-component fibers
- Issue Date
- ELSEVIER SCI LTD
- POLYMER, v.54, no.22, pp.6210 - 6217
- Bi-component fibers typically combine multiple functions that arise from at least two distinct components. As a result, these fibers can incorporate carbon nanotubes, which impart specific and controllable mechanical, electrical, and thermal transport properties to the fibers. Using gel spinning, sheath-core polyacrylonitrile–polyacrylonitrile/carbon nanotube bi-component fibers with a diameter of less than 20 μm and carbon nanotube concentrations of up to 10 wt% were produced. In these fibers, the carbon nanotubes were well dispersed and aligned along the fiber axis. The fibers exhibited a tensile strength as high as 700 MPa, and a tensile modulus as high as 20 GPa, as well as enhanced electrical and thermal conductivities when compared to the fibers without carbon nanotubes.
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