Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Utilisation of Bio-binder Made of Homogenised Peat in Crumb Rubber-containing Composites

Version 1 : Received: 4 November 2020 / Approved: 5 November 2020 / Online: 5 November 2020 (14:54:57 CET)

How to cite: Irtiševa, K.; Lapkovskis, V.; Mironovs, V.; Ozolins, J.; Plohuta, M.; Goel, G.; Baronins, J.; Shishkin, A. Utilisation of Bio-binder Made of Homogenised Peat in Crumb Rubber-containing Composites. Preprints 2020, 2020110217 (doi: 10.20944/preprints202011.0217.v1). Irtiševa, K.; Lapkovskis, V.; Mironovs, V.; Ozolins, J.; Plohuta, M.; Goel, G.; Baronins, J.; Shishkin, A. Utilisation of Bio-binder Made of Homogenised Peat in Crumb Rubber-containing Composites. Preprints 2020, 2020110217 (doi: 10.20944/preprints202011.0217.v1).

Abstract

The utilisation of the industrial residual products to create new value-added materials and to reduce footprint is a modern challenge of science and industry. Development of the new multifunctional and bio-based composites is an excellent opportunity for complex utilisation of industrial residual products. The study describes the preparation and characterisation of the three-phases bio-based composites. The main components are bio-based binder made of peat, devulcanised crumb rubber (DCR) from used tires and part of the fly ash the cenosphere (CS). Three-phase composite prepared in the form of a block for investigation of the mechanical properties and density and a form of granules for determination of the water and oil products sorption was investigated. This work investigated the dependence of the properties on the main component DCR and CS fraction. Is found, that maximum compression strength (in block form) observed for composition without CS and DCR addition - 79.3 MPa, the second highest value of compression strength is 11.2 MPa for composition with 27.3 wt% of CS. For compositions with bio binder content from 17.4 to 55.8 wt% and with DCR contents in range from 11.0 to 62.0 wt% compression strength is in range 1.1 to 2.0 MPa. Liquid sorption analysis (water and diesel) showed that the maximum saturation of liquids in both cases is set after 35 minutes and ranges from 1.05 to 1.4 g·g -1 for water and 0.77 to 1.25 g·g-1 for diesel. It was noted that 90% of the maximum saturation with diesel fuel comes after 10 minutes and for water after 35 minutes.

Subject Areas

crumb rubber; devulcanised crumb rubber; cenosphere; peat; homogenisation; biocomposite; hybrid material; bio-binder; oil absorption

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