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Some reasons for the origin of instability in thermal and thermo-mechanical properties of polyacrylonitrile fibres

  • Carbon And Other Heat Resistant Fibers, Composite Materials, And Use Of These In National Economy
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Fibre Chemistry Aims and scope

Conclusions

-- Industrial polyacrylonitrile fibres which have been prepared by the thiocyanate method are characterized by considerable instability in thermal and thermo-mechanical properties.

-- Lack of constancy in such technological parameters as itaconic acid content of the polymer, temperature and concentration of the precipitation bath, and stretch ratio exert a considerable effect on the stability of thermal and thermo-mechanical properties.

-- Stabilization of these investigated parameters will obviously make it possible to significantly reduce instability and mechanical properties of carbon fibres.

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Literature cited

  1. R. B. Mathur, O. P. Bahl, V. K. Matta, and K. C. Nagpal, Carbon, 26, 295–301 (1988).

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  3. M. S. Mezhirov, V. D. Zhabin, and É. A. Pakshver, in: Synthetic Fibres, A. B. Pakshver (ed.) [in Russian], Khimiya, Moscow (1969).

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Authors
  1. V. V. Kochetkov
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  2. N. A. Shepeleva
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  3. T. K. Mikhailova
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  4. L. M. Ganchuk
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  5. M. T. Azarova
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  6. N. V. Kochetkova
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  7. V. A. Medvedev
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Additional information

VNIIPV. Translated from Khimicheskie Volokna, No. 3, pp. 25–26, May–June, 1991.

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Kochetkov, V.V., Shepeleva, N.A., Mikhailova, T.K. et al. Some reasons for the origin of instability in thermal and thermo-mechanical properties of polyacrylonitrile fibres. Fibre Chem 23, 178–180 (1992). https://doi.org/10.1007/BF00545857

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  • DOI: https://doi.org/10.1007/BF00545857

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