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Comparative Analysis of the Influence of the Kind and Amount of Two Ferromagnetic Nanoadditives on the Structural Properties of Precursor Polyacrylonitrile Fibres

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Abstract:

A comparative analysis of the influence of two different ferromagnetic nanoadditives on the rheological properties of polyacrylonitrile spinning solutions in DMF, as well as on the porous structure and tensile strength properties of nanocomposite fibres obtained from these solutions, was carried out. A ferromagnetic commercial product of the company Sigma-Aldrich and a product manufactured at the AGH University of Science and Technology, Krakow, Poland were used in this study. The influence of the amount of both types of nanoadditives inserted into the fibre matrix on their structure and tensile strength properties was determined. The uniformity of distribution of the nanoadditive on the fibre surface was estimated on the basis of SEM + EDS investigations.

Tags: precursor fibres, polyacrylonitrile, nanoadditive, ferromagnetic, tenacity, porous structure.

Published in issue no 5 (70) / 2008, pages 48–53.

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