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Preparation and Characterisation of PSA/CNT Composites and Fibres

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Abstract:

In this paper, polysulfonamide/carbon nanotube (PSA/CNT) composite solutions with different CNT contents were prepared using the physical blending method. Corresponding composite fibers were extruded and fabricated through a set of wet spinning units, and composite membranes were prepared by the spin-coating method. The PSA/CNT composite fibers and membranes were characterised by means of SEM, FTIR and XRD among others. The mechanical, thermal and electrical properties were also analysed in this study. The experimental results show that CNT at low contents can be distributed homogeneously in the PSA matrix. Furthermore the molecular structure and chemical composition of PSA does not undergo an obvious change. Crystallisation in the PSA can be promoted at low CNT contents because the nano-particles can act as a nucleation agent. Moreover the electrical conductivity of PSA can be improved significantly by the blending of CNT.

Tags:

polysulfonamide, carbon nanotube, nano composites, thermal property, electrical conductivity.

Citation:

Chen Z, Xin B, Wu X, Wang X, Du W. Preparation and Characterisation of PSA/CNT Composites and Fibres. FIBRES & TEXTILES in Eastern Europe 2012; 20, 5(94): 21-25.

Published in issue no 5 (94) / 2012, pages 21–25.

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