Definition of the thermal and fire-protective properties of ethylene-vinyl acetate copolymer nanocomposites

Authors

  • Lubov Vakhitova L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160, Ukraine https://orcid.org/0000-0003-4727-9961
  • Volodymyr Bessarabov Kyiv National University of Technologies and Design Nemyrovycha-Danchenka str., 2, Kyiv, Ukraine, 01011, Ukraine https://orcid.org/0000-0003-0637-1729
  • Nadezhda Тaran L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160, Ukraine https://orcid.org/0000-0002-4638-3241
  • Andrey Redko L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160, Ukraine https://orcid.org/0000-0001-7741-1834
  • Victor Anishchenko L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160, Ukraine https://orcid.org/0000-0001-5076-3549
  • Glib Zagoriy Kyiv National University of Technologies and Design Nemyrovycha-Danchenka str., 2, Kyiv, Ukraine, 01011, Ukraine https://orcid.org/0000-0002-9362-3121
  • Anatolii Popov L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160, Ukraine https://orcid.org/0000-0002-5867-0598

DOI:

https://doi.org/10.15587/1729-4061.2019.154676

Keywords:

organomodified montmorillonite, thermally expanded graphite, nanocomposite, intumescent coatings, hydrocarbon fire

Abstract

To create a fire retardant coating that can be applied in the hydrocarbon fire, the nanocomposites of the ethylene-vinyl acetate (EVA) copolymer with montmorillonite (MMT), thermally expanded graphite (EG) are synthesized and their structure, physicochemical and thermal properties are studied. Using IR spectroscopy and X-ray phase analysis, it is found that the EVA nanocomposites with montmorillonite and nanographite obtained in solution and melt have the same structure.

Thermal-oxidative degradation of the EVA copolymer and nanocomposites on its basis in the temperature range of 100–700 °C is investigated. It is proved that nanoclay and nanographite as a part of nanocomposites increase thermal characteristics of the original polymers. The thermal stability of the studied compounds increases in the series: polymer<polymer-EG<polymer-MMT <polymer-MMT-EG. It is shown that the presence of nanoparticles in the polymer matrix reduces the EVA thermal decomposition rate at a temperature above 450 °C and increases the coke residue mass after the destruction of the initial EVA copolymer at a temperature of 250 °C. The synergistic effect of the MMT/EG mixture on the processes of slowing down the thermal degradation of the EVA copolymer is found.

The effect of organomodified montmorillonite and graphite in the EVA nanocomposites on the thermal destruction of the intumescent system of ammonium polyphosphate/melamine/pentaerythritol is studied. The synergistic effect of the mixture of clay and graphite nanoparticles in a hybrid nanocomposite is revealed. Synergism consists in increased fire resistance of metal structures by almost 20 % compared with the coating containing the polymer-nanoclay or polymer-nanographite nanocomposite.

Based on the results obtained, the intumescent base of fire retardant paint for steel structures, which is recommended for use to increase the fire-resistance rating of metal in the hydrocarbon fire is developed

Author Biographies

Lubov Vakhitova, L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160

PhD, Senior Researcher

Department of Research on Nucleophilic Reactions

Volodymyr Bessarabov, Kyiv National University of Technologies and Design Nemyrovycha-Danchenka str., 2, Kyiv, Ukraine, 01011

PhD, Associate Professor

Department of Industrial Pharmacy

Nadezhda Тaran, L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160

PhD, Senior Researcher

Department of Research on Nucleophilic Reactions

Andrey Redko, L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160

PhD, Senior Researcher

Department of Spectrochemical Research

Victor Anishchenko, L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160

PhD, Senior Researcher

Department of Spectrochemical Research

Glib Zagoriy, Kyiv National University of Technologies and Design Nemyrovycha-Danchenka str., 2, Kyiv, Ukraine, 01011

Doctor of Pharmaceutical Sciences, Professor

Department of Industrial Pharmacy

Anatolii Popov, L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry of the National Academy of Sciences of Ukraine Kharkivske shosse str., 50, Kyiv, Ukraine, 02160

Doctor of Chemical Sciences, Professor, Director

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Published

2019-01-22

How to Cite

Vakhitova, L., Bessarabov, V., Тaran N., Redko, A., Anishchenko, V., Zagoriy, G., & Popov, A. (2019). Definition of the thermal and fire-protective properties of ethylene-vinyl acetate copolymer nanocomposites. Eastern-European Journal of Enterprise Technologies, 1(6 (97), 13–20. https://doi.org/10.15587/1729-4061.2019.154676

Issue

Vol. 1 No. 6 (97) (2019): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2019 Lubov Vakhitova, Volodymyr Bessarabov, Nadezhda Тaran, Andrey Redko, Victor Anishchenko, Glib Zagoriy, Anatolii Popov

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