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Information × Registration Number 0221U102077, 0118U002016 , R & D reports Title Development of fire-retardant materials for natural flammable roof structures (straw and cane) popup.stage_title Head Tsapko Yurii V, Registration Date 28-01-2021 Organization Kyiv National University of Construction and Architecture popup.description2 Report provides a review of problem, identified raw materials, additives, modifiers, flame retardants, methods for designing and composition selecting with definition of restrictions on influencing factors, taking into account the criteria for evaluating their properties, results of field tests. Composition of fire-retardant compositions based on a mixture of inorganic substances, natural polymer and organic binder is optimized. Relation between processes of ignition of material and properties of the formed coke. Influence of functional substances on structure formation and properties of a mixture of inorganic substances and organic binder and natural polymer capable of forming a layer of coke has been revealed. Obtained laws are the basis for creating a composition of inorganic substances, organic binder and natural polymer with a high level of fire protection of roof structures made of reeds and straw. Process of transfer is investigated, the dependences of thermophysical coefficients on temperature are determined. Based on obtained dependences, thermal conductivity coefficients for reed products were calculated, and the influence of fire protection on thermal conductivity was proved. Process of moisture transfer by fire-retardant coating in presence of a polymer shell is modeled, diffusion and mass transfer dependences are obtained, which allow obtaining the change of moisture dynamics during leaching of fire-retardant coating. Process of moisture transfer by coating in presence of a polymer shell is modeled, diffusion and transfer mass dependences are obtained and water-insoluble flame retardants and other components, as well as polymer binder are characterized by the formation of a polymer shell on the surface. Recommendations for the use of tools and methods of application of fire protection coating have been developed, which provide for the procedure for processing structures, maintenance of reed fire protection coating, quality control during operation, etc. Product Description popup.authors Yezerska Liudmyla P Bilan Yaroslav V Bondarenko Olga P Bondarenko Serhii V Lomaga Vasyl V Tsapko Oleksii Yu Chekhovska Alla V popup.nrat_date 2021-01-28 Close