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Physico-chemical and technological aspects of the inclusion modification of man-made fibres

  • Articles Dedicated To Professor A. B. Pakshver
  • Published:
Fibre Chemistry Aims and scope

Conclusions

A review has been given of research on the kinetics of fibre-forming processes in spinning by the wet method and on the structure of the gel-fibres which are formed thereupon. The highly developed active internal surface of gel-fibres which have been spun from semirigid polymers into “hydrate” precipitation baths brings about the possibility of realizing numerous variants of the process of inclusion modification. The essence of this process consists in treating the gel-fibres with aqucous (or nonaqueous) solutions of modifying substances, sorption of which, thanks to the highly developed internal surface of the gel-fibre, is completed very quickly. Subsequent heating of the fibre above the glass point leads to a firm encapsulation of the modifying agent in the polymeric substrate.

The kinetic and thermodynamic aspects of such modifying treatments with solutions of inorganic compounds of groups I-VIII of the periodic system of elements, or with organic compounds of various classes, including dyes, has been examined.

The effect of sorbent on the structural-mechanical and relaxation properties of the modified fibres has been noted. Processes of inclusion modification may be realized either by batch or continuous schemes.

The possibility has been demonstrated of preparing fibres for specific purposes using typical technological equipment.

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Authors
  1. A. A. Geller
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  2. B. É. Geller
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Additional information

Translated from Khimicheskie Volokna, No. 3, pp. 8–17, May–June, 1990.

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Geller, A.A., Geller, B.É. Physico-chemical and technological aspects of the inclusion modification of man-made fibres. Fibre Chem 22, 135–148 (1990). https://doi.org/10.1007/BF00548336

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  • DOI: https://doi.org/10.1007/BF00548336

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