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Abstract. Despite the small share of nanoparticles in the chemical industry, the demand for modifiers is growing every day. This is due to their high physical, mechanical and operational properties, resistance to aggressive media and their ability to be used over a wide temperature range. Therefore, it is more important to produce polymer materials on the basis of metal-containing compounds and apply them in practice. According to the results of this study, the introduction of metal phosphates into the polymer improves the physical and mechanical properties of polyolefins. The physico-mechanical properties of the obtained polymer composite materials were improved up to 2.0 times compared to the initial polyethylene, polypropylene samples without filling. As a result of the addition of fillers, the elasticity, impact and fire resistance of polymers increased up to 2 times. The aim of this work was to study the effect of complex improvement of the physical and mechanical properties of polyolefins, in particular, on the heat resistance and flammability of composites through the introduction of metal phosphates into the polymer. For this purpose, scanning electron microscopy (SEM), shape and morphology of nanoparticles, X-ray diffraction. Thermogravimetric Analysis (TGA) and similar characterization methods were used. Analyzes have shown that the addition of fillers helps to increase the fire resistance of the polymers.
Key words. polypropylene, polyethene, polyamide-66, ammonium polyphosphate, nickel, cobalt, aluminium, iron, zinc oxide, modification, load-deformation temperature, AKM, X-ray diffraction.
DOI: http://uzpolymerjournal.com/articles/article.php?id=230103
Citation: Umarov Sh.Sh., Turaev Kh.Kh., Tojiev P.J., Djalilov A.T. , DEVELOPMENT OF COMPOSITE MATERIALS BASED ON SOME METAL PHOSPHATES. Uzbekistan Journal of Polymers, Vol. 2(1) 2023: pp.33-44. DOI: http://uzpolymerjournal.com/articles/article.php?id=230103
