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An Apparatus for Research on Processes of Plasticization and Foaming of Polymeric Materials in Supercritical Media

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Abstract

An apparatus is described that allows studying various physical and chemical processes in the atmosphere of supercritical carbon dioxide at pressures of up to 25 MPa and temperatures of up to 100°C. The apparatus is based on a compact modular cylindrical high-pressure reactor with a diameter of 90 mm and a height of 100 mm with an internal volume of 14 cm3. It is equipped with eight optical ports, a system for measuring and adjusting the pressure and temperature, as well as a system for letting in and gradually reducing the pressure of the test medium. In addition, the reactor is equipped with two video cameras with a resolution of 1920 × 1080 pixels, which allow video recording of processes occurring in the reactor volume, which is synchronized with the pressure and temperature data recording system. The efficiency of the described apparatus is demonstrated by studying the processes of plasticization and foaming of polymer materials in the medium of supercritical carbon dioxide.

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Funding

This work was supported by the Ministry of Science and Higher Education as part of the work on the State Assignment of the Federal Research Center for Crystallography and Photonics of the Russian Academy of Sciences in terms of modifying the experimental apparatus based on a multi-window high-pressure reactor and the Russian Foundation for Basic Research (grant no. 18-29-06024_mk) in part for conducting experiments on quasi-isothermal SCF foaming of polymeric materials and analysis of the results.

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Authors and Affiliations

  1. Institute of Photon Technologies, Federal Science Research Center “Crystallography and Photonics”, Russian Academy of Sciences, Moscow, Russia

    E. O. Epifanov, S. A. Minaeva, V. K. Popov & N. V. Minaev

  2. Saratov State University, Saratov, Russia

    D. A. Zimnyakov

  3. Institute of Precision Mechanics and Control, Russian Academy of Sciences, Saratov, Russia

    D. A. Zimnyakov

Authors
  1. E. O. Epifanov
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  2. S. A. Minaeva
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  3. D. A. Zimnyakov
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  4. V. K. Popov
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  5. N. V. Minaev
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Corresponding author

Correspondence to N. V. Minaev.

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Epifanov, E.O., Minaeva, S.A., Zimnyakov, D.A. et al. An Apparatus for Research on Processes of Plasticization and Foaming of Polymeric Materials in Supercritical Media. Instrum Exp Tech 63, 773–775 (2020). https://doi.org/10.1134/S0020441220050103

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  • DOI: https://doi.org/10.1134/S0020441220050103

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