PROPERTIES OF ELASTOMER COMPOSITES FILLED WITH CARBON-SILICON COMPOSITE

UDC 678.046.3

  • Bobrova Valeriya Vladimirovna − PhD student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: lerik_bobrik94@mail.ru

  • Prokopchuk Nikolay Romanovich − Corresponding Member of the National Academy of Sciences of Belarus, DSc (Chemistry), Professor, Professor, the Department of Polymer Composite Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: nrprok@gmail.com

  • Efremov Sergey Anatol’yevich − Academician of Kazakhstan National Academy of Natural Sciences, DSc (Chemistry), Professor, Deputy Director of the Center for Physico-Chemical Methods of Research and Analysis. Al-Farabi Kazakh National University (71, Al-Farabi Ave., 050040, Almaty, Republic of Kazakhstan). E-mail: efremsa@mail.ru

  • Nechipurenko Sergey Vital’yevich − leading researcher, PhD (Engineering), Associate Professor, Head of the Laboratories of Composite Materials of the Center of Physico-Chemical Methods of Research and Analysis. Al-Farabi Kazakh National (71, Al-Farabi Ave., 050040, Almaty, Republic of Kazakhstan). E-mail: nechipurenkos@mail.ru

DOI: https://doi.org/10.52065/2520-2669-2022-259-2-156-164

Key words: rice husk, nitrile butadiene rubber, plastoelastic properties, elastic-strength characteristics.

For citation: Bobrova V. V., Prokopchuk N. R., Efremov S. A., Nechipurenko S. V. Properties of elastomer composites filled with carbon-silicon composite. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2022, no. 2 (259), pp. 156–164 (In Russian). DOI: https://doi.org/10.52065/2520-2669-2022-259-2-156-164.

Abstract

The main purpose of this work is to study the effect of replacing industrial semi-active carbon black grade N550 with a carbon-silicon composite (CCS) of plant origin on the main plastoelastic and elastic-strength characteristics of industrial elastomer compositions intended for the manufacture of rubber products. The objects of the study were rubber compounds based on nitrile rubber filled with semi-active carbon black grade N550 and CSS in various proportions. A study of the Mooney viscosity of rubber compounds showed that the replacement of N550 with CSS leads to a decrease in viscosity by 16.5–21.2%, regardless of the dosage of CSS. Determination of the kinetic parameters of the process of vulcanization of rubber compounds revealed that with the introduction of CCC there is an increase in the time to reach the optimum vulcanization by 70.1–75.5%, while the resistance of rubber to premature vulcanization increases by 29.4–41.7% compared with the composition containing N550. The determination of the main elastic-strength characteristics showed that the use of CSS and N550 in the ratio of 10 / 80 and 20 / 70 in the elastomeric composition makes it possible to obtain vulcanizates with a level corresponding to the requirements of the technical specifications for an industrial rubber compound in terms of conditional tensile strength, relative elongation at rupture, hardness of rubbers according to Shore A, relative compression set.

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08.06.2022