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Kinetic Heterogeneity of the Catalytic System Based on Gadolinium Chloride Solvate in 1,4-cis-Polyisoprene Production

  • Catalysis
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Abstract

The kinetic heterogeneity of the gadolinium-based catalytic system in 1,4-cis-polyisoprene synthesis was studied. The final form of the active site distribution function at preset accuracy was obtained by setting and solving the inverse problem of the molecular-mass distribution formation using the Tikhonov’s regularization method and numerical calculation methods. The results obtained show that there are at least three types of active sites with different kinetic activity in the system.

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Funding

The study was performed within the framework of the government as signment of the Ministry of Science and Higher Education of the Russian Federation (scientific theme code FZWU-2020-0027).

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Authors and Affiliations

  1. Bashkir State University, Ufa, 450076, Bashkortostan, Russia

    E. N. Miftakhov & S. A. Mustafina

  2. OAO Sintez-Kauchuk, Sterlitamak, 453110, Bashkortostan, Russia

    I. Sh. Nasyrov

  3. Sterlitamak Petrochemical Plant, Sterlitamak, 453110, Bashkortostan, Russia

    V. Yu. Faizova

Authors
  1. E. N. Miftakhov
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  2. S. A. Mustafina
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  3. I. Sh. Nasyrov
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  4. V. Yu. Faizova
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Contributions

E.N. Miftakhov: participation in setting and numerical solution of the inverse problem of the molecular-mass distribution formation and in interpretation of the results obtained; S.A. Mustafina and I.Sh. Nasyrov: setting of the research task; S.A. Mustafina: planning of the required computational experiments on solution of the inverse problem and interpretation of the calculation results obtained; I.Sh. Nasyrov: planning of the experiment on synthesis of polyisoprene samples, analysis of the experimental results; V.Yu. Faizova: synthesis of polyisoprene samples and their subsequent gel-chromatographic analysis to construct the molecular-mass distribution.

Corresponding author

Correspondence to E. N. Miftakhov.

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The authors declare that they have no conflict of interest.

Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 3, pp. 375–381, March, 2022 https://doi.org/10.31857/S0044461822030100

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Miftakhov, E.N., Mustafina, S.A., Nasyrov, I.S. et al. Kinetic Heterogeneity of the Catalytic System Based on Gadolinium Chloride Solvate in 1,4-cis-Polyisoprene Production. Russ J Appl Chem 95, 423–429 (2022). https://doi.org/10.1134/S1070427222030120

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  • DOI: https://doi.org/10.1134/S1070427222030120

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