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Increasing the stability of pump operation in metering solutions of polyoxadiazole in sulfuric acid

  • Machines And Apparatus
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Fibre Chemistry Aims and scope

Conclusions

The basic reasons for failure in the operation of spinning gear pumps in metering solutions of polyoxadiazole in concentrated sulfuric acid have been studied.

The possibility of eliminating blockage of gear pumps, reducing nonuniformity in delivery of spinning solution, and considerably increasing the stability of spinning Oksalon fibre has been demonstrated.

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Literature cited

  1. All-Union State Standard 6443–79. Pumps, Gear, for the Manufacture of Man-made Yarns [in Russian], Izd. Standartov, Moscow (1979).

  2. I. M. Khomenko, Yu. S. Repkin, and G. M. Yachmennik, Khim. Volokna, No. 5, 70–72 (1971).

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Authors
  1. V. S. Matveev
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  2. V. V. Gvozdev
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Additional information

Translated from Khimicheskie Volokna, No. 2, pp. 54–55, March–April, 1986.

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Matveev, V.S., Gvozdev, V.V. Increasing the stability of pump operation in metering solutions of polyoxadiazole in sulfuric acid. Fibre Chem 18, 147–149 (1986). https://doi.org/10.1007/BF00549637

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  • DOI: https://doi.org/10.1007/BF00549637

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