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Investigation of Changes in the Degree of Crystallinity of Polyamide-6

  • Selected articles originally published in Russian in Rossiiskii Khimicheskii Zhurnal (Russian Chemistry Journal)
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Abstract

Samples of high-viscosity polyamide-6 granulate were investigatied by differential scanning calorimetry: (1) industrial production granulate, (2) granulate after the process of combined drying-demonomerization, (3) granulate after consecutively carried out processes of combined drying-demonomerization and remelting. The temperatures and enthalpies of melting of the original and subjected to technological thermodynamic processes polymers were determined. Changes in the crystal structure of the polymer during the combined drying-demonomerization and remelting processes have been proven. The effect of the content of low molecular weight compounds and the temperature parameters of the above processes on the degree of polymer crystallinity is shown.

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ACKNOWLEDGMENTS

The study was carried out as part of the implementation of the Start-1 program of the Innovation Promotion Fund (contract no. 4575GS1/73919).

Funding

The study was conducted with the use of the resources of the Center for the Collective Use of Scientific Equipment of the Ivanovo State University of Chemistry and Technology (with the support of the Ministry of Education and Science of Russia, agreement no. 075-15-2021-671).

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Authors and Affiliations

  1. Department of Chemistry and Technology of High-Molecular Compounds, Ivanovo State University of Chemistry and Technology, 153000, Ivanovo, Russia

    M. V. Barannikov, V. S. Polyakov, Y. M. Bazarov, G. V. Osipova & K. A. Krivenko

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  1. M. V. Barannikov
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  2. V. S. Polyakov
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  3. Y. M. Bazarov
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  4. G. V. Osipova
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  5. K. A. Krivenko
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Correspondence to M. V. Barannikov.

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Barannikov, M.V., Polyakov, V.S., Bazarov, Y.M. et al. Investigation of Changes in the Degree of Crystallinity of Polyamide-6. Russ J Gen Chem 93, 766–768 (2023). https://doi.org/10.1134/S1070363223030350

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  • DOI: https://doi.org/10.1134/S1070363223030350

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