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Development of the Polyphenylene Sulfide Synthesis Technology

  • Macromolecular Compounds and Polymeric Materials
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Abstract

A procedure was developed for preparing polyphenylene sulfide with low melt viscosity by liquid-phase polycondensation at pH > 12 with stepwise heating from 160 to 220°С in the prepolycondensation step and from 230 to 260°С in the afterpolycondensation step. The polyphenylene sulfide melt flow index can be varied from 300 to 18 g/10 min by stepwise variation of the Na2S excess and temperature in the course of polyphenylene sulfide polycondensation. The optimum time of the polyphenylene sulfide synthesis was 16 h. The polyphenylene sulfide exhibits the physicomechanical properties similar to those of Ryton@ XE5500BL thermoplastic (Solvay) but is characterized by 50% lower water absorption.

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Authors and Affiliations

  1. Akhmadullins Scientific and Technical Center, Kazan, 420029, Tatarstan, Russia

    R. M. Akhmadullin, V. F. Shkodich & A. G. Akhmadullina

  2. Inzhekhim Engineering and Implementation Center, Kazan, 420049, Tatarstan, Russia

    S. A. Irdinkin, A. V. Rakov & M. M. Farakhov

  3. Kazan National Research University of Technology, Kazan, 420015, Tatarstan, Russia

    I. N. Saifullin

  4. Kazan (Volga) Federal University, Kazan, 420008, Tatarstan, Russia

    I. S. Antipin

Authors
  1. R. M. Akhmadullin
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  2. S. A. Irdinkin
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  3. V. F. Shkodich
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  4. A. V. Rakov
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  5. M. M. Farakhov
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  6. I. N. Saifullin
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  7. A. G. Akhmadullina
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  8. I. S. Antipin
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Contributions

R.M. Akhmadullin: development of the polyphenylene sulfide synthesis technology, analysis of the experimental data; A.V. Rakov: physicochemical tests of granulated unfilled polyphenylene sulfide; V.F. Shkodich: literature analysis and thermal measurements of polyphenylene sulfides; S.A. Irdinkin: development of the procedure for preparing and fabricating granulated unfilled polyphenylene sulfide; M.M. Farakhov: development of the flowsheet and apparatus for the polyphenylene sulfide synthesis process; I.N. Saifullin: experimental study of the polyphenylene sulfide melt flow, sample preparation for physicomechanical tests; A.G. Akhmadullina: determination of the physicochemical characteristics of polyphenylene sulfide; I.S. Antipin: setting of the tasks, plan, and direction of the study, discussion of the results.

Corresponding author

Correspondence to V. F. Shkodich.

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The authors declare that they have no conflict of interest.

Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 7, pp. 885–893, July, 2022 https://doi.org/10.31857/S0044461822070076

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Akhmadullin, R.M., Irdinkin, S.A., Shkodich, V.F. et al. Development of the Polyphenylene Sulfide Synthesis Technology. Russ J Appl Chem 95, 980–987 (2022). https://doi.org/10.1134/S1070427222070084

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  • DOI: https://doi.org/10.1134/S1070427222070084

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