Abstract
In this paper, ultrafine full-vulcanized styrene-butadiene powdered rubber (UFPSBR) was introduced into natural rubber (NR)/butadiene rubber (BR) and styrene-butadiene rubber (SBR)/BR blends. The influence of UFPSBR on the mechanical and dynamic mechanical properties of both blends was thoroughly investigated for the first time. The dynamic mechanical analysis showed that for the temperature range of −10 to 0 °C, the tan δ values of both blends increased notably. This indicated a significant increase in wet traction of the materials. Unfavorable influence of UFPSBR on the abrasion resistance and heat generation was observed, which was due to the nature of the side chain group of SBR. A combination of fracture and chemical deterioration processes was observed in the presence of UFPSBR in both blends and was proposed as the abrasion mechanisms for NR/BR/UFPSBR and SBR/BR/UFPSBR vulcanizates undergoing abrasion. The experimental results depicted that adding appropriate amounts of UFPSBR will improve the mechanical and dynamic mechanical properties of elastomer blends.
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Abbreviations
- NR:
-
Natural rubber
- SBR:
-
Styrene-butadiene rubber
- BR:
-
Butadiene rubber
- UFPSBR:
-
Ultrafine full-vulcanized styrene-butadiene powdered rubber
- UFPR:
-
Ultrafine full-vulcanized powdered rubber
- DMA:
-
Dynamic mechanical analysis
- Tg:
-
Glass transition temperature
- CZ:
-
N-Cyclohexyl-2-benzothiazole sulfonamide
- 4010 NA:
-
N-Isopropyl-N′-phenyl-1,4-phenylenediamine
- ISAF:
-
Intermediate super abrasion furnace
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Acknowledgments
The authors thank Professor Shan Shi for the help with the SEM analysis of UFPSBR in previous studies and the discussion and the critical comments on the manuscript. The authors also thank Jessica Cunningham, Dr. Erica Sharpe and Dr. Rıfat Emrah Özel on the discussion and corrections of the manuscript. The authors appreciate the reviewers’ comments on the manuscript.
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Liu, X., Gao, Y., Bian, L. et al. Influence of ultrafine full-vulcanized styrene-butadiene powdered rubber on dynamic mechanical properties of natural rubber/butadiene rubber and styrene-butadiene rubber/butadiene rubber blends. Polym. Bull. 72, 2001–2017 (2015). https://doi.org/10.1007/s00289-015-1385-5
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DOI: https://doi.org/10.1007/s00289-015-1385-5