Journal
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
Volume 25, Issue 5, Pages 437-444Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.pnsc.2015.09.014
Keywords
Poly(vinyl alcohol); Carbon nanotube; Composite fibers; Melt-spun; Fiber property; Surface morphology
Funding
- National Natural Science Foundation of China [51508244]
- Natural Science Foundation of Jiangsu Province [BK20141012]
- Six Talent Peaks' of Jiangsu [2013-JZ-003]
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A composite fiber based on carbon nanotube (CNT) and poly(vinyl alcohol) (PVA) was prepared by melt-spinning Structural features and the mechanical performances of the PVA/CNT composite fiber were investigated as a function of draw condition. Initial moduli and tensile strengths of the drawn composite fibers are much higher than those of undrawn composite fiber. It is identified from XRD and 2D XRD that the composite fiber exhibits enhanced crystallinity and orientation degree with increasing the draw ratio. Accordingly, finger-like pores distributed along the axial direction homogeneous on the melt-spinning PVA fiber surface. After dry and hot-drawn, the hydrophobicity of PVA/CNT composites fiber decreased gradually. (C) 2015 Chinese Materials Research Society. Production and hosting by Elsevier B.V.
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