THERMAL DECOMPOSITION OF WOOD DURING MODIFYING BY THE EFFECTIVE SMOKE EXTINGUISHERS
PURPOSE. The given work provides investigation of the influence of the chemical modification of wood with various compounds containing phosphorus on its thermal decomposition as well as smoke-forming ability. METHODS. Thermal decomposition of wood has been studied using the method of differential scanning calorimetry. Evaluation of smoke-forming ability has been carried out according to the State Standard 12.1.044-89 inside the installation used to define smoke-forming ability of polymeric materials. The influence of modifiers on the wood chemical composition has been studied by the method of elemental analysis and IR spectroscopy. FINDINGS. The highest degree of interaction between wood and the modifier is observed when the Effective Smoke Extinguisher (ESE) is applied. ESE has the biggest impact on the thermal decomposition of wood and reduces smoke-forming ability. RESEARCH APPLICATION FIELD. The obtained results highlight the possibility of using the efficient smoke suppressors in the field of constructing building of wood. CONCLUSIONS. The most effective modifier - smoke suppressor at thermal decomposition of wood is ESE. On the basis of the research findings it is possible to predict the modifiers’ smoke-suppressing effect.