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Lali Gurchumelia, Speaker at Chemical Engineering Conferences
TSU Rafael Agladze Institute of Inorganic Chemistry and Electrochemistry, Georgia
Title : Fabrication of new types, environmentally-safe fire-protective covers based on fire-extinguishing powders of raw materials


The aim of the presented investigation is the fabrication of new types, environmentally-safe fire-protective covers on the basis of halogen-free, highly efficient composite fire-extinguishing powders of local mineral raw materials. The technology for production of these materials differs from the conventional production. It is imply and is not associated with significant economic costs, which is reflected in the low cost price of materials. Fire-protective covers we made only by mechanical mixing of binders - Polyurethane resins and fillers - High-dispersed fire-extinguishing powders of our preparation, does not need addition of expensive, phosphorous and halogen-containing flame retardants. Such fire-extinguishing powders are manufactured by mechanical treatment and blending of local mineral raw materials, which does not require modification with expensive, halogen containing, organic hydrofobizing additives, what makes the extinguishing powders far cheaper than imported analogues. Here it should be noted, that obtained fire-extinguishing powders similarly of efficient flame retardants, are characterized by high inhibition properties and fire-extinguishing ability. Therefore, such powders we used as fillers, which in composite fire-protective materials are functioning, in itself, as efficient inert flame retardants. Mentioned fillers, similarly to serial inert flame retardants, don’t participate in the process of polymer preparation and in contrast to them are characterized by high performance properties.

Experimental data confirm that the developed fire-protective covers by fire-resistance are qualified as hardly combustible materials and their performance properties are not worse than performance properties of the standard protective materials of common production.

Thus, such fire-protective materials are environmentally-safe, very effective and far cheaper than imported analogues. Therefore they are fulfilling completely requirements posed by normative documentation to the materials used in building processes.


Lali Gurchumelia, Chemist, Doctor of Technical Sciences. I work TSU Rafael Agladze Institute of Inorganic Chemistry and Electrochemistry (Georgia). Scope of scientific interests: chemical science, chemical engineering, ecological engineering, ecological biotechnology. I have 55 publications, including in the Infactactatorial Journal -12. The last 10 years I have participated in 5 scientific grant. Currently I am a manager of the grant # 216770 - “ New type fire-extinguishing powders and foam-suspensions based on local mineral raw materials” funded of the National Science Foundation. I participated in many international conferences and congresses: Nürnberg, Germany; Toledo, Spain; New Forest, UK; Montreal, Canada; Istanbul, Turkey; Elenite Holiday Village, Bulgaria; Rome, Italy; Paris, France; Yerevan-Vanadzor; Tbilisi, Georgia and Ureki, Georgia. I have many years of experience in the study and evaluation of fire–extinguisghing and fire- protective materials.