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PROPERTIES OF POLYMER COMPOSITION MATERIALS MODIFIED BY OXALIC ACID SALTS

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ARTICLE ANNOTATION

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Background. Despite the great potential of polymer-composite materials, they differ from other composite materials in their manufacturability, manufacturing process, molding, heat treatment, formation of compounds and coatings. The most promising materials for polymer composite materials are metals. Purpose. To solve this problem, it became necessary to develop and obtain polymer-composite materials based on metal oxalates using local raw materials from industrial waste as a raw material base with a combination of valuable and useful properties. Methodology. To obtain copper, magnesium and aluminum oxalate, 200 ml of 0.2 M acetate of copper, magnesium and aluminum and 100 ml of 0.5 M of oxalic acid were drained with vigorous stirring. Originality. Modification of polymer-composite materials with oxalic acid salts has been studied, which introduces particles of oxalic acid salts into polyethylene can improve the whole range of physicomechanical properties of the developed polymer matrix composites. Findings. A number of nanofilled PEVDONP samples were obtained and studied, where, the concentration of the nanofiller varied from 0.1 to 2 parts by weight. An increase in the filler concentration leads to a decrease in the melt flow rate (MFR) and the difficulty in processing the molten thermoplastics in the final product. Assessment of the rheological properties of nanofilled composites was carried out by the yield strength of the melt (MFR).Highlights: - nanosized particles of oxalic acid salt were used; - the effect of additives on the properties of high-pressure polyethylene was investigated.

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# nanoparticles# нанокомпозит# наночастица# антипирен# flame retardant# пластификатор# plasticizer# magnesium# оксалат магния# алюминия и меди# нанонаполнитель# magniy# alyuminiy va mis oksalat# plastifikator# alangani saqlovchi# nanozarrachalar# nanoto’ldirgich# nanokompozit# aluminum and copper oxalates# nanofiller# nanocomposite

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Article Identifiers

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https://eroi.uz/11.0030/A0921-0035

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