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Morphological and structural features of polyacrylonitrile fibres spun by the dry-wet method

  • 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

-- A technological regime for the preparation of polyacrylonitrile fibres from binary and ternary copolymers has been chosen; these differ from known specimens in having a more uniform cross-sectional structure and a smoother elementary filament surface.

-- A considerable difference in crystalline structure of fibres from binary and ternary copolymers which have been spun into a dimethyl sulfoxide—water bath has been shown.

-- Fibres from the binary or ternary copolymer which have been spun into a precipitation bath having a large dimethyl sulfoxide content in water are characterized by a lower degree of swelling.

-- Shrinkage of fibres from the binary copolymer in the temperature range 200–220°C is twice as small as the shrinkage of fibres from the ternary copolymer.

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Authors
  1. N. P. Kruchinin
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  2. T. A. Spirova
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  3. V. A. Medvedev
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  4. A. T. Serkov
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  5. M. B. Radishevskii
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  6. V. I. Volodin
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  7. V. A. Prokhorov
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  8. I. N. Krutova
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  9. R. V. Egorova
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  10. E. V. Grekhova
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Additional information

Deceased.

VNIIPV. Translated from Khimicheskie Volokna, No. 3, pp. 19–22, May–June, 1991.

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Kruchinin, N.P., Spirova, T.A., Medvedev, V.A. et al. Morphological and structural features of polyacrylonitrile fibres spun by the dry-wet method. Fibre Chem 23, 169–174 (1992). https://doi.org/10.1007/BF00545854

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  • DOI: https://doi.org/10.1007/BF00545854

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