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Quantitative Assessment of SBS-Modifier Content in Bituminous Binders Using Infrared Spectroscopy.

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Title: Quantitative Assessment of SBS-Modifier Content in Bituminous Binders Using Infrared Spectroscopy.
Authors: Ashimova, Saltanat1 (AUTHOR), Amirbayev, Yerik1,2 (AUTHOR), Zhumagulova, Adiya1,2 (AUTHOR) s.begalieva@qazjolgzi.kz, Zhumamuratov, Manarbek1,2 (AUTHOR) z.baibolekova@qazjolgzi.kz, Begaliyeva, Sakypzhamal1 (AUTHOR), Baibolekova, Zhanar1 (AUTHOR), Smagulova, Mariya1 (AUTHOR)
Source: Polymers (20734360). Apr2026, Vol. 18 Issue 8, p898. 13p.
Subjects: Fourier transform infrared spectroscopy, Bituminous materials, Block copolymers, Attenuated total reflectance, Quantitative research, Calibration, Mechanical behavior of materials
Abstract: Polymer-modified bituminous binders are widely used in road construction due to their enhanced mechanical performance; however, the effectiveness of these materials critically depends on the actual concentration of polymer modifiers, particularly styrene-butadiene-styrene (SBS). This study aims to develop and validate a rapid, reproducible Fourier Transform Infrared Spectroscopy—Attenuated Total Reflectance (FTIR-ATR) spectroscopy method for the quantitative determination of SBS content in polymer-modified bitumen (PMB). Since, to date, there is no clearly defined method for controlling the quantitative content of polymers in PMB, this creates difficulties in accepting the roadway into operation. Calibration PMB samples containing 1–4% SBS were prepared, tested for physical and mechanical properties, and analyzed spectroscopically to identify characteristic absorption bands at 966 cm−1 and 699–760 cm−1. A first-order calibration model was constructed to relate peak intensity to polymer concentration. The results demonstrate a clear linear correlation between SBS content and IR absorption features, confirming the suitability of FTIR as an instrumental method for routine laboratory control. Application of the model allowed determination of actual polymer mass fraction with high accuracy and reproducibility. The findings also showed that increased SBS levels improve softening point, elasticity, and low-temperature resistance, with 3–4% representing a performance-optimal range. Overall, the proposed FTIR-based approach provides an objective and efficient tool for quality control of polymer-modified binders and supports broader standardization efforts in the field. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Quantitative Assessment of SBS-Modifier Content in Bituminous Binders Using Infrared Spectroscopy.
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  Data: <searchLink fieldCode="AR" term="%22Ashimova%2C+Saltanat%22">Ashimova, Saltanat</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Amirbayev%2C+Yerik%22">Amirbayev, Yerik</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhumagulova%2C+Adiya%22">Zhumagulova, Adiya</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> s.begalieva@qazjolgzi.kz</i><br /><searchLink fieldCode="AR" term="%22Zhumamuratov%2C+Manarbek%22">Zhumamuratov, Manarbek</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> z.baibolekova@qazjolgzi.kz</i><br /><searchLink fieldCode="AR" term="%22Begaliyeva%2C+Sakypzhamal%22">Begaliyeva, Sakypzhamal</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baibolekova%2C+Zhanar%22">Baibolekova, Zhanar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Smagulova%2C+Mariya%22">Smagulova, Mariya</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Apr2026, Vol. 18 Issue 8, p898. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Bituminous+materials%22">Bituminous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Block+copolymers%22">Block copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Attenuated+total+reflectance%22">Attenuated total reflectance</searchLink><br /><searchLink fieldCode="DE" term="%22Quantitative+research%22">Quantitative research</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink>
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  Data: Polymer-modified bituminous binders are widely used in road construction due to their enhanced mechanical performance; however, the effectiveness of these materials critically depends on the actual concentration of polymer modifiers, particularly styrene-butadiene-styrene (SBS). This study aims to develop and validate a rapid, reproducible Fourier Transform Infrared Spectroscopy—Attenuated Total Reflectance (FTIR-ATR) spectroscopy method for the quantitative determination of SBS content in polymer-modified bitumen (PMB). Since, to date, there is no clearly defined method for controlling the quantitative content of polymers in PMB, this creates difficulties in accepting the roadway into operation. Calibration PMB samples containing 1–4% SBS were prepared, tested for physical and mechanical properties, and analyzed spectroscopically to identify characteristic absorption bands at 966 cm−1 and 699–760 cm−1. A first-order calibration model was constructed to relate peak intensity to polymer concentration. The results demonstrate a clear linear correlation between SBS content and IR absorption features, confirming the suitability of FTIR as an instrumental method for routine laboratory control. Application of the model allowed determination of actual polymer mass fraction with high accuracy and reproducibility. The findings also showed that increased SBS levels improve softening point, elasticity, and low-temperature resistance, with 3–4% representing a performance-optimal range. Overall, the proposed FTIR-based approach provides an objective and efficient tool for quality control of polymer-modified binders and supports broader standardization efforts in the field. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/polym18080898
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        Text: English
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        PageCount: 13
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      – SubjectFull: Fourier transform infrared spectroscopy
        Type: general
      – SubjectFull: Bituminous materials
        Type: general
      – SubjectFull: Block copolymers
        Type: general
      – SubjectFull: Attenuated total reflectance
        Type: general
      – SubjectFull: Quantitative research
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      – SubjectFull: Calibration
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      – SubjectFull: Mechanical behavior of materials
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      – TitleFull: Quantitative Assessment of SBS-Modifier Content in Bituminous Binders Using Infrared Spectroscopy.
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              Text: Apr2026
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              Y: 2026
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