Roads and Bridges - Drogi i Mosty
21, 1, 2022, 5-17

Influence of SBS polymers of various structure on the properties of semi-blown bitumen binders

Dmitry Yuryevich Nebratenko Mail
Russian University of Transport, Department of Roads, Aerodromes, Base and Foundations. 2 Minaevsky Lane, Moscow, Russia
Marianna Yuryevna Boksha Mail
Research Institute of Elastomeric Materials and Products LLC (NIIEMI LLC), 2 build. 1 Perovskiy Pr., Moscow, Russia
Alexander Mikhailovich Isakov Mail
Ruric Bituminous Materials LLC (RBM LLC), 4A Kantemirovskaya St., Sankt Petersburg, Russia
Published: 2022-01-30

Abstract

The influence of styrene-butadiene-styrene block copolymers (SBS polymers) on the properties of binders based on bitumen has long been the subject of wide and comprehensive studies. This paper presents an analysis of the relationship between the molecular structure of SBS polymers and their effect on the physical and mechanical properties of paving binders based on bitumen from the oil refinery in the Salavat city, the Republic of Bashkiria (territory of Russia). The amount of SBS polymers in the binder did not exceed 5% (wt.). The data obtained showed a significant relationship between the functional parameters of the binders (penetration, elasticity, storage stability) and the content, the macromolecule spatial framework and the structure of the styrene-butadiene-styrene thermoplastic elastomers used.

Keywords


linear and radial polymer structure, polymer-modified bitumen (PMB), PMB storage stability, styrene-butadiene-styrene copolymer (SBS), thermoplastic elastomers.

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References


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Influence of SBS polymers of various structure on the properties of semi-blown bitumen binders

  
Nebratenko, Dmitry Yuryevich; Boksha, Marianna Yuryevna; Isakov, Alexander Mikhailovich. Influence of SBS polymers of various structure on the properties of semi-blown bitumen binders. Roads and Bridges - Drogi i Mosty, [S.l.], v. 21, n. 1, p. 5-17, jan. 2022. ISSN 2449-769X. Available at: <>. Date accessed: 19 Apr. 2024. doi:http://dx.doi.org/10.7409/rabdim.022.001.


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