Establishing the rules of fire-resistant biocomposites for building materials

Abstract

he object of this study is the process of forming a heat-insulating layer of foam coke under thermal action on a biocomposite with the presence of an intumescent coating. The task addressed is to establish the effectiveness of the formation of a heat-insulating intumescent layer of foam coke under thermal action on an intumescent coating, which effectively inhibits high temperature. It has been proven that when wood and fabric are treated with fire retardants, chemical bonds arise that characterize symmetric and asymmetric valence vibrations of C–H in the methyl and methylene groups of lignin and cellulose. For wood treated with an intumescent coating, the value of the adhesive strength was set at 0.25 MPa, while the destruction occurred along the polymer shell with a detachment area of about 25 %. For particleboard treated with an intumescent coating, the value of the adhesion strength is about 0.45 MPa, while the failure occurred along the polymer shell with a separation area of about 10 %.