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Advanced polyimide varnish for optical fiber coating fabrication

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Abstract

Using one-step high-temperature polycondensation, soluble polyimide based on 9,9-bis-(4’-aminophenyl) fluorene and 3,3’, 4,4’-diphenyl oxide tetracarboxylic acid dianhydride is synthesized. Polyimide varnishes inN-methyl-2-pyrrolidone are prepared, and technological conditions of their deposition during fiber drawing are studied. A polymer coating thickness over 6 μm is achieved for a single application. It is demonstrated that the developed coating almost does not degrade for a long time at temperatures to 250 °C and completely protects the optical fiber surface from water penetration.

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Author information

Authors and Affiliations

  1. Fiber Optics Research Center, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia

    A. F. Kosolapov, E. A. Plastinin & S. L. Semjonov

  2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russia

    B. A. Bayminov, D. A. Sapozhnikov & Ya. S. Vygodskii

  3. Dmitry Mendeleev University of Chemical Technology of Russia, Miusskaya pl. 9, Moscow, 125047, Russia

    D. D. Alekseeva

Authors
  1. A. F. Kosolapov
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  2. E. A. Plastinin
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  3. S. L. Semjonov
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  4. B. A. Bayminov
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  5. D. A. Sapozhnikov
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  6. D. D. Alekseeva
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  7. Ya. S. Vygodskii
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Corresponding author

Correspondence to A. F. Kosolapov.

Additional information

Original Russian Text © A.F. Kosolapov, E.A. Plastinin, S.L. Semjonov, B.A. Bayminov, D.A. Sapozhnikov, D.D. Alekseeva, Ya.S. Vygodskii, 2017, published in Kratkie Soobshcheniya po Fizike, 2017, Vol. 44, No. 6, pp. 9–14.

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Kosolapov, A.F., Plastinin, E.A., Semjonov, S.L. et al. Advanced polyimide varnish for optical fiber coating fabrication. Bull. Lebedev Phys. Inst. 44, 159–162 (2017). https://doi.org/10.3103/S1068335617060021

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  • DOI: https://doi.org/10.3103/S1068335617060021

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