Fibre Chemistry

, Volume 20, Issue 4, pp 270–272 | Cite as

Molecular mechanism of shrinkage of polyacrylonitrile fibres

  • S. I. Fedotov
  • A. P. Molotkov
  • V. E. Slyvakov
Physico-Mechanical Properties And Application Of Man-Made Fibres


The shrinkage of polyacrylonitrile fibres in air at 130–170°C, and also in steam or boiling water is connected with the formation of ordered structures due to a redistribution of the interacting CN groups.

Shrinkage of fibres in air at temperatures below 130°C is caused only by disorientation of the macromolecule chains.


Polymer Steam Molecular Mechanism Shrinkage Boiling 
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Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • S. I. Fedotov
  • A. P. Molotkov
  • V. E. Slyvakov

There are no affiliations available

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