Journal
THIN SOLID FILMS
Volume 515, Issue 12, Pages 5136-5141Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2006.10.058
Keywords
electrospinning; nanofibers; MWNTs; PVA
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Funding
- National Research Foundation of Korea [R11-2001-091-05001-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Composites of polyvinyl alcohol (PVA) and multi-walled carbon nanotubes (MWNTs) were prepared by electrospinning. A PVA/MVv'NTs solution was electrostatically spun to form filler wrapped nanofibers, with a diameter of similar to 100-200 nm. As the concentration of filler in the composite was varied, the coloration of the fiber sheets changed. The SEM and TEM analyses of the fiber sheets revealed that the deformation of the fiber increases with increasing nanotube concentration. The mechanical properties were studied using a universal testing machine (UTM). The analysis is presented in detail. It is argued that the degree of dispersivity orientation and anisotropy of the nanotubes and the amount of interfacial stress in the filler/polymer are the predominant factors determining the variation in the tensile properties of the composites with the filler concentration. (c) 2006 Elsevier B.V. All rights reserved.
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