Browsing by Author "Sokolova, Lina O."

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    Features of Elastomeric Compositions in the Presence of Regenerated Sunflower Oil Production Waste as Filler
    (Oles Honchar Dnipro National University, Dnipro, 2015) Sokolova, Lina O.; Ovcharov, Valery I.; Toropin, Mykola V.; Burmistrov, Kostiantyn S.; Tyshchenko, Valeria O.
    ENG: The paper investigates the peculiarities of the properties of elastomeric compositions based on butadiene-α-methylstyrene rubber of the Buna KER 1723 brand in the presence of regenerated sunflower oil production waste in comparison with the equal weight content (20.0 phr) of known mineral fillers. It has been shown that the hydrophobized products under study significantly affect the processibility of rubber compounds, the course of sulfur vulcanization at different temperatures, the level of rheokinetic characteristics, and the density of cross-links of elastomeric compositions. It has been established, that in terms of the rubber reinforcement factor, the spent adsorbent with 37 wt.% of the organic component (diatomite P), regenerated by two-stage washing with dichloroethane and petroleum ether, is superior to a product with 57 wt. % organic component (diatomite D), as well as chalk, but inferior to kaolin. Diatomite P can be recommended for use in industrial rubber formulations.