Development of fire resistant coating for the protection of electrical cables of fire in a closed space

Authors

DOI:

https://doi.org/10.15587/2312-8372.2017.118225

Keywords:

non-toxic fire-resistant intumescent coating for the protection of cable insulation, composition components, test methodology

Abstract

The object of research is the composition of the fire-resistant swelling coating.

The main problem of electric cables fire protection in a confined space is a high concentration of toxic substances in the composition of combustion products, which makes it difficult fire extinguishing works. This is due to the fact that the cables polymer insulation (polyethylene, polyvinyl chloride) and traditional flame retardant coatings based on epoxy and phenolic resins contain potentially hazardous substances. These substances during combustion are form toxic compounds (chlorine, carbon monoxide, hydrogen cyanide).

Experimental studies of various compositions based on the silicone resin were carried out to solve the problem of creating a non-toxic fire-resistant swelling coating.  This has allowed to develop optimal recipe of fire-resistant coating the components of which do not emit nontoxic substances under fire conditions.

The original test procedure for coatings for fire resistance, with exposure to samples of the open flame of a gas burner was applied during the study that is more consistent with the conditions of a real fire. The temperature on a back surface of the sample was controlled during the experiments.

The functional dependence of the fire-resistant properties of coatings on the concentration of components was obtained

The optimal composition of the fire-resistant swelling coating was obtained, which contains: ammonium polyphosphate 65±2 %; pentaerythritol – 15±2 %; melamine – 10±2 %; aluminum and magnesium hydroxides – 5±1 % by fine fillers weight.

The proposed composition of the fire-resistant coating content has an increased content of ammonium polyphosphate, which mainly determines the good flame retardant properties. The developed composition as a whole meets the requirements for fire resistance and has advantages over similar fire-resistant compounds in terms of toxicity level.

Author Biographies

Leontiy Korostylev, Admiral Makarov National University of Shipbuilding, 9, Heroes of Ukraine ave., Mykolaiv, Ukraine, 54025

Doctor of Technical Sciences, Professor, Head of Department

Department of Design and Production of Structures from Composite Materials

Vladimir Kochanov, Admiral Makarov National University of Shipbuilding, 9, Heroes of Ukraine ave., Mykolaiv, Ukraine, 54025

Scientific Researcher

Department of Design and Production of Structures from Composite Materials

Sergey Geyko, Admiral Makarov National University of Shipbuilding, 9, Heroes of Ukraine ave., Mykolaiv, Ukraine, 54025

PhD

Department of Design and Production of Structures from Composite Materials

Tetiana Yuresko, Admiral Makarov National University of Shipbuilding, 9, Heroes of Ukraine ave., Mykolaiv, Ukraine, 54025

Assistant

Department of Design and Production of Structures from Composite Materials

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Published

2017-11-30

How to Cite

Korostylev, L., Kochanov, V., Geyko, S., & Yuresko, T. (2017). Development of fire resistant coating for the protection of electrical cables of fire in a closed space. Technology Audit and Production Reserves, 6(1(38), 22–28. https://doi.org/10.15587/2312-8372.2017.118225

Issue

Vol. 6 No. 1(38) (2017): Industrial and Technology Systems

Section

Materials Science: Original Research

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Copyright (c) 2017 Tetiana Yuresko, Leontiy Korostylev, Vladimir Kochanov, Sergey Geyko

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