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October 18, 2025PolymersOpen Access

Anti-Aging Effect of Nano-ZnO on Asphalt: Chemo-Rheological Behavior, Molecular Size Evolution of Polymers, and Nanoscale Parameters

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Authors

BABaifu AnYSYang ShenJLJianan Liu

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Overview

Experimental analysis shows nano-ZnO improves aging resistance and chemo-rheological behavior in asphalt, indicating better durability.

Key Points

  • Nano-ZnO significantly enhances the aging resistance of asphalt, improving its performance under high temperatures and UV exposure.
  • Using dynamic shear rheometry, the study found improved rheological properties and delayed increases in the rutting factor of aged asphalt.
  • The research included analysis methods such as Fourier transform infrared spectrometry and atomic force microscopy to understand molecular changes.
  • These findings highlight the potential of nano-ZnO to modify asphalt structure, leading to more durable pavement materials.

Cite This Study

An et al. (2025) studied this question.

synapsesocial.com/papers/68f396388da44caaba02c6f6https://doi.org/10.3390/polym17202774
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