Effect of Lignin@N‐Cyclohexyl‐2‐Benzothiazole Sulfonamide on the Vulcanization Properties of Natural Rubber/Emulsion Styrene Butadiene Rubber Composites.
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| Title: | Effect of Lignin@N‐Cyclohexyl‐2‐Benzothiazole Sulfonamide on the Vulcanization Properties of Natural Rubber/Emulsion Styrene Butadiene Rubber Composites. |
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| Authors: | Peng, Keyu1 (AUTHOR), Duan, Hao1 (AUTHOR), Zhang, Su1 (AUTHOR) zhangsu0318@163.com, Zhang, Lin1 (AUTHOR), Zhao, Zaiqiang1 (AUTHOR), Jing, Yuan2,3 (AUTHOR), Geng, Chuanbao1 (AUTHOR), Lin, Guangyi1 (AUTHOR) gylin666@163.com |
| Source: | Polymers for Advanced Technologies. Jul2025, Vol. 36 Issue 7, p1-13. 13p. |
| Subjects: | Lignins, Vulcanization, Environmental risk, Composite materials, Mechanical behavior of materials, Rubber, Styrene-butadiene rubber, Energy consumption |
| Abstract: | Lignin, a by‐product of the paper‐making industry, is often associated with significant environmental concerns, commonly called "black water pollution," due to its brutal degradation. Utilizing lignin in rubber not only addresses this pollution issue but also has the potential to enhance the performance of rubber composites, achieving a dual optimization of resources and functionality. This study introduces an innovative method to enhance lignin dispersion and strengthen its interface with rubber. Lignin is modified using a promoter, N‐cyclohexyl‐2‐benzothiazole sulfonamide, and silane coupling agent KH560. The N‐cyclohexyl‐2‐benzothiazole sulfonamide‐modified lignin hybrid materials (LC) are produced by introducing epoxy groups onto the lignin surface via a ring‐opening reaction. The impact of these modified lignin hybrid materials on the properties of natural rubber/emulsion styrene butadiene rubber (NR/ESBR) composites has been thoroughly examined. The results indicate a marked improvement in the dispersion of the modified lignin filler and enhanced interfacial compatibility between the filler and rubber. Additionally, the vulcanization performance of the rubber composites is notably improved; the vulcanization time is reduced by 33.2%, while the vulcanization rate is increased by 43.9%. Notably, when utilizing a filling amount of 20 parts per hundred (20 phr) rubbers for lignin, the mechanical property retention of the NR/ESBR composites aged at 100°C for 48 h is measured at 86.47%, alongside an 18.6% reduction in rolling resistance. This work presents a unique approach to reducing energy consumption in tire production. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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