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      Preparation and characterization of form-stable phase change material/end-of-life tires composites for thermal energy storage

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          Abstract

          The management of end-of-life tires (ELT) waste gains importance in aspect of possible environmental and economic issues so the waste recycling becomes unavoidable. This study describes the fabrication and characterization of a new phase changing material (PCM)/ELT microcomposites that could be used in thermal energy storage. Paraffin together with the 4 fatty acids and ELT rubber powder are used as PCMs and as the supporting material, respectively. Paraffin/ELT composites are fabricated, as well, by the vacuum impregnation method in order to investigate the effect of the preparation method. The thermal, morphological, and chemical properties of the prepared PCM/ELT rubber microcomposites are determined with differential scanning calorimetry (DSC), scanning electron microscopy (SEM), and FTIR, respectively. Additionally, the effects of the PCM amount on the composite materials are investigated. As a result of DSC results, the melting temperature and latent heat of the paraffin/ELT rubber microcomposites are determined as 37.2 °C and 80.79 J/g for direct impregnation method and 36.8 °C and 80.69 J/g for vacuum impregnation method, respectively. Based on the findings of this study, it can be claimed that PCM/ELT rubber microcomposites can be used as energy-saving materials in thermal energy storage applications.

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          Most cited references29

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          Progress in used tyres management in the European Union: a review.

          The dynamic increase in the manufacture of rubber products, particularly those used in the automobile industry, is responsible for a vast amount of wastes, mostly in the form of used tyres, of which more than 17 million tonnes are produced globally each year. The widely differing chemical compositions and the cross-linked structures of rubber in tyres are the prime reason why they are highly resistant to biodegradation, photochemical decomposition, chemical reagents and high temperatures. The increasing numbers of used tyres therefore constitute a serious threat to the natural environment. The progress made in recent years in the management of polymer wastes has meant that used tyres are starting to be perceived as a potential source of valuable raw materials. The development of studies into their more efficient recovery and recycling, and the European Union's restrictive legal regulations regarding the management of used tyres, have led to solutions enabling this substantial stream of rubber wastes to be converted into energy or new polymer materials. In this article we present the relevant literature describing innovative organizational approaches in the management of used tyres in the European Union member countries and the possible uses of waste tyres as a source of raw materials or alternative fossil fuels.
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            Treatment and disposal of tyres: Two EU approaches. A review

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              Impregnation of porous material with phase change material for thermal energy storage

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                Author and article information

                Journal
                Turk J Chem
                Turk J Chem
                Turkish Journal of Chemistry
                The Scientific and Technological Research Council of Turkey
                1300-0527
                1303-6130
                2020
                01 April 2020
                : 44
                : 2
                : 421-434
                Affiliations
                [1 ] Nanotechnology Application and Research Centre, Niğde Ömer Halisdemir University Turkey
                [2 ] Department of Chemistry, Niğde Ömer Halisdemir University Turkey
                Author notes
                * To whom correspondence should be addressed. E-mail: ykonuklu@ 123456ohu.edu.tr

                CONFLICT OF INTEREST:

                none declared

                Author information
                https://orcid.org/0000-0002-6788-3114
                Article
                10.3906/kim-1911-23
                7671213
                aec079a0-e134-497b-a7d0-eb1db45f3430
                Copyright © 2020 The Author(s)

                This article is distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/ ), which permits unrestricted use and redistribution provided that the original author and source are credited.

                History
                : 12 November 2019
                : 28 January 2020
                Categories
                Article

                phase change material,end-of-life tires,thermal energy storage,composite material

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