Metal-Containing Nanocomposites on the Basis of Isotactic Polypropylene and Butadiene-Nitrile Rubber

Abstract One and two-step methods for the synthesis of saccharin-6-carboxylic acid triglyceride were studied. The reesterification reactions of 2-hydroxypropyl-1,3-bis-ethersulfoimide of this acid and glycerol with some aliphatic saccharin-6-carboxylic acid esters were carried out. The resulting products are characterized by elemental analysis and IR spectroscopy and size exclusion chromatography. It was found that when using a two-step method, the end product is obtained with the highest yield (85%). The influence of additions of nanofillers (NF) containing nanoparticles of the copper oxide, stabilized by polymer matrix of maleinized polyethylene of high pressure (MPE), obtained by mechano-chemical method on peculiarities of structure and properties of metal-containing nanocomposites on the basis of isotactic polypropylene (PP) and butadiene-nitrile rubber (BNR) by methods of X-ray phase (RPhA) and differential-thermal analyses (DTA) and scanning electron microscopy (SEM) has been investigated. It has been revealed an improvement of the strength, deformation and rheological indices and also the thermal-oxidative stability of the obtained nanocomposites, which has been apparently connected with the synergetic effect of the interaction of the zinc-containing nanoparticles with maleic groups of MPE. It has been shown that the nanocomposites on the basis of PP/BNR/HF can be processed both by pressing method and by methods of casting under pressure and extrusion, which expands the sphere of its application.

Keywords butadiene-nitrile rubber, DTA, isotactic polypropylene, metal-containing nanocomposites, nanoparticles of zinc oxide, RPhA, SEM – analyses, thermal properties.

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Engineering Journal: Metal-Containing Nanocomposites on the Basis of Isotactic Polypropylene and Butadiene-Nitrile Rubber

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