Thermophysical characteristics of the formed layer of foam coke when protecting fabric from fire by a formulation based on modified phosphorus-ammonium compounds

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.233479

Keywords:

protective means, fabric, fabric burning, weight loss, fabric surface treatment, coating swelling

Abstract

This paper reports the analysis of flame retardants for fabrics that has established that the meagerness of the data that explain and describe the process of fire protection, as well as the neglect of elastic coatings, leads to the combustion of structures made from fabrics under the influence of flame. The development of reliable methods to study the fire protection conditions for fabrics leads to the design of new types of fireproof materials. Therefore, it becomes necessary to define the conditions for the formation of a barrier for burning and flame propagation by a piece of fabric and for establishing a mechanism that would inhibit a temperature transfer to the material. To address this issue, an estimation-experimental method has been devised for determining thermal conductivity when using a fire protection agent as a coating, which makes it possible to assess the thermal conductivity coefficient under the effect of high temperature. Based on the experimental data and theoretical dependences, the coefficient of thermal conductivity for the fire-resistant layer of foam coke was calculated, 0.034 W/(m∙K), which, accordingly, ensures the heat resistance of the fabric. The study results have proven that the process of the thermal insulation of fabric involves the formation of soot-like products at the surface of the sample. The inhibition of the process of heat transfer to the material treated with a composition based on modified phosphorus-ammonium compounds is characterized by the formation of a heat-protective layer of coke at the surface of the fabric. The maximum possible penetration of temperature through the thickness of the coating has been estimated. At the surface of the sample, a temperature was generated that significantly exceeds the ignition temperature of the fabric, and, at the non-heated surface, does not exceed 150 °C. Thus, there is reason to assert the possibility of targeted adjustment of fire protection processes in the fabric by applying coatings that can form a protective layer on the surface of the material, which inhibits the rate of heat transfer

Author Biographies

Yuriy Tsapko, National University of Life and Environmental Sciences of Ukraine; Kyiv National University of Construction and Architecture

Doctor of Technical Sciences, Professor

Department of Technology and Design of Wood Products

I. D. Glukhovsky Scientific Research Institute for Binders and Materials

Аleksii Tsapko, Ukrainian State Research Institute "Resurs"

PhD, Senior Researcher

Department of Research on Quality and Storage Conditions of Petroleum Products and an Industrial Group of Goods

Olga Bondarenko, Kyiv National University of Construction and Architecture

PhD, Associate professor

Department of Building Materials

Viktoriia Chudovska, Kyiv National University of Construction and Architecture

PhD

Institute for Innovative Education

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Published

2021-06-30

How to Cite

Tsapko, Y., Tsapko А., Bondarenko, O., & Chudovska, V. (2021). Thermophysical characteristics of the formed layer of foam coke when protecting fabric from fire by a formulation based on modified phosphorus-ammonium compounds. Eastern-European Journal of Enterprise Technologies, 3(10(111), 34–41. https://doi.org/10.15587/1729-4061.2021.233479

Issue

Vol. 3 No. 10(111) (2021): Ecology

Section

Ecology

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Copyright (c) 2021 Yuriy Tsapko, Аleksii Tsapko, Olga Bondarenko, Viktoriia Chudovska

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