The use of the products of the refinement and annealing of spent adsorbent of sunflower oil cleaning as fillers for elastomeric compositions

Synthesis of Copolymer from 1,3,5-Trioxane and -Caprolactone Catalysed by Treated Bentonite as Eco-Catalyst

“…According to IR spectroscopy, 36 it was found that the OSSO product contains hydrocarbon radicals (stretching vibrations of CH-groups correspond to the absorption bands at 2965-2904 cm -1 and 2872, 2849 cm -1 ) and functional carboxyl-containing groups (stretching vibrations of C=O bond corresponding to absorption bands at 1734 cm -1 ).…”

“…A series of publications devoted to the use of silicon-containing products of heat-treated RH in elastomeric compositions of model and industrial types is represented by authors from Ukraine. [21][22][23][24][25] In particular, Ovcharov and co-workers 25 determined the characteristics of heat-treated RH products, which are finely dispersed silicon, carbon-containing thermostable powders of amorphous-crystalline structure. A number of products was obtained from crushed rice husk under different heat treatment conditions and their efficiency as fillers for elastomeric compositions based on carbon-chain diene rubbers was evaluated.…”

“…The most available and renewable raw materials for the production of higher fatty acids and their salts are vegetable oils and by-products of their production. [31][32][33][34][35] Taking into account that Ukraine is one of the world's leading producers of sunflower oil, tens of thousands of tons of oily spent adsorbent, which belongs to hazard class IV, 36 are obtained only at the purification stage. That is why the creation of technologies for processing and using by-products and wastes from the main stages of sunflower oil production is a topical issue.…”

“…Thus, it was recommended to be used for manufacturing rubber products by the compression method. We also investigated the physico-chemical characteristics of the adsorbent of sunflower oil purification after its hydrophobization and subsequent heat treatment at 1073 K. 36 It was shown that the obtained experimental product is a porous fragment of solid foam of low density, annealing of which completely removes the organic component and thus increases the structure of the material. We examined the peculiarities of technological, vulcanization and physico-mechanical properties of elastomeric compositions based on cis-1,4polyisoprene with experimental products ranging from 20.0 to 80.0 phr.…”