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Polymers
Volume 16
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Article

The Use of Rubber-Polymer Composites in Bitumen Modification for the Disposal of Rubber and Polymer Waste

by
Anar Akkenzheyeva
1,
Viktors Haritonovs
2,
Akkenzhe Bussurmanova
3,*,
Remo Merijs-Meri
4,
Yerzhan Imanbayev
5,
Akmaral Serikbayeva
1,
Serik Sydykov
6,
Yerbolat Ayapbergenov
7,
Martynas Jankauskas
8,
Anatolijs Trumpels
9,
Murshida Aimova
3 and
Maira Turkmenbayeva
1
1
Engineering Faculty, Yessenov University, 32 Microdistrict, Aktau 130003, Kazakhstan
2
Faculty of Civil and Mechanical Engineering, Riga Technical University, 6A Kipsalas Street, LV-1048 Riga, Latvia
3
Science and Technology Faculty, Yessenov University, 32 Microdistrict, Aktau 130003, Kazakhstan
4
Faculty of Natural Sciences and Technologies, Riga Technical University, 3 Paula Valdena Street, LV-1048 Riga, Latvia
5
Laboratory of Petrochemical Processes, RSE “Institute of Combustion Problems”, Bogenbay Street, 172, Almaty 050012, Kazakhstan
6
LLP “JV” CASPI BITUM Aktau Bitumen Plant, Industrial Zone 5, Building 65, Aktau 130000, Kazakhstan
7
Branch of LLP “KMG Engineering” “KazNIPImunaigas”, 35 Microdistrict, Section 6/1, Aktau 130000, Kazakhstan
8
JSC “Polylema”, Jegaines Str. 8, Kauno District, LT-54469 Biruliskes, Lithuania
9
LLC “Rubbintec”, Drosmes 2-34, LV-2015 Jurmala, Latvia
*
Author to whom correspondence should be addressed.
Polymers 2024, 16(22), 3177; https://doi.org/10.3390/polym16223177
Submission received: 16 September 2024 / Revised: 2 November 2024 / Accepted: 8 November 2024 / Published: 14 November 2024
(This article belongs to the Special Issue Advances in Functional Rubber and Elastomer Composites II)
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Abstract

The use of rubber-polymer composites ELTC (End of Life Tire Compound) for bitumen modification was investigated. ELTC contains not only devulcanized rubber from used car tires, but also used plastics (polymers) such as polyethylene (PE) and polypropylene (PP). ELTC is obtained using the method of rubber devulcanization using a selective catalyst that allows selectively decomposing sulfide bonds at relatively low temperatures, while preserving most of the macromolecular chains. The characteristics of the asphalt binder improved after the modification of ELTC. After modification, the base asphalt binder became more homogeneous, and the thermal stability of the base asphalt binder increased. ELTC is evenly distributed, the compatibility between the components of the modified asphalt binder is good, which proves the uniformity of the modified asphalt binders. The results show that all ELTC formulations improve the softening temperature and increase their resistance to plastic deformation in the summer.
Keywords: petroleum bitumen; bitumen modification; crumb rubber; fluorescence microscopy; differential scanning calorimetry; thermogravimetric analyser petroleum bitumen; bitumen modification; crumb rubber; fluorescence microscopy; differential scanning calorimetry; thermogravimetric analyser

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MDPI and ACS Style

Akkenzheyeva, A.; Haritonovs, V.; Bussurmanova, A.; Merijs-Meri, R.; Imanbayev, Y.; Serikbayeva, A.; Sydykov, S.; Ayapbergenov, Y.; Jankauskas, M.; Trumpels, A.; et al. The Use of Rubber-Polymer Composites in Bitumen Modification for the Disposal of Rubber and Polymer Waste. Polymers 2024, 16, 3177. https://doi.org/10.3390/polym16223177

AMA Style

Akkenzheyeva A, Haritonovs V, Bussurmanova A, Merijs-Meri R, Imanbayev Y, Serikbayeva A, Sydykov S, Ayapbergenov Y, Jankauskas M, Trumpels A, et al. The Use of Rubber-Polymer Composites in Bitumen Modification for the Disposal of Rubber and Polymer Waste. Polymers. 2024; 16(22):3177. https://doi.org/10.3390/polym16223177

Chicago/Turabian Style

Akkenzheyeva, Anar, Viktors Haritonovs, Akkenzhe Bussurmanova, Remo Merijs-Meri, Yerzhan Imanbayev, Akmaral Serikbayeva, Serik Sydykov, Yerbolat Ayapbergenov, Martynas Jankauskas, Anatolijs Trumpels, and et al. 2024. "The Use of Rubber-Polymer Composites in Bitumen Modification for the Disposal of Rubber and Polymer Waste" Polymers 16, no. 22: 3177. https://doi.org/10.3390/polym16223177

APA Style

Akkenzheyeva, A., Haritonovs, V., Bussurmanova, A., Merijs-Meri, R., Imanbayev, Y., Serikbayeva, A., Sydykov, S., Ayapbergenov, Y., Jankauskas, M., Trumpels, A., Aimova, M., & Turkmenbayeva, M. (2024). The Use of Rubber-Polymer Composites in Bitumen Modification for the Disposal of Rubber and Polymer Waste. Polymers, 16(22), 3177. https://doi.org/10.3390/polym16223177

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