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Polymer Composites on the Basis of Epoxy Resin with Mineral Fillers Modified by Tetraetoxysilane

Jimsher Aneli1, Omari Mukbaniani2, Eliza Markarashvili2, Gennady Zaikov3 and Elen Klodzinska4
1 R. Dvali Institute of Machine Mechanics; 2 I. Javakhishvili Tbilisi State University, 3, I. Chavchavadze Ave., 0128 Tbilisi, Republic of Georgia; 3 N. Emanuel Institute of Biochemical Physics, 4, Kosygin str., Moscow, Russia; 4 Institute for Engineering of Polymer Materials and Dyes, 55, M. Sklodowskiej-Curie str., 87-100 Torun, Poland,
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Ultimate strength, softening temperature, and water absorption of the polymer composites based on epoxy resin (type ED-20) with unmodified and/or modified by tetraethoxysilane (TEOS) minerals diatomite and andesite are described. Comparison of experimental results obtained for investigated composites shows that the ones containing modified filler have better technical parameters mentioned above than composites with unmodified filler at corresponding loading. It was experimentally shown that the composites containing binary fillers diatomite and andesite at a definite ratio possess optimal characteristics – so called synergistic effect. Experimental results are explained in terms of structural peculiarities of polymer composites.

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