| Study on Application of Coal Desulfurization Sulfur in NR Compound |
| Received:April 12, 2023 Revised:April 12, 2023 |
| DOI：10.12136/j.issn.1000-890X.2025.01.0045 |
| Key Words: coal desulfurization；sulfur；NR；vulcanization characteristics；physical property |
| Author Name | Affiliation | E-mail | | CONG Houluo* | School of Materials Engineering,Xuzhou College of Industrial and Technology | conghouluo@163.com | | YAN Liang | School of Materials Engineering,Xuzhou College of Industrial and Technology | | | ZHOU Jianshi | School of Materials Engineering,Xuzhou College of Industrial and Technology | | | XU Yunhui | School of Materials Engineering,Xuzhou College of Industrial and Technology | | | WEI Bangfeng | Xuzhou Xulun Rubber Co,Ltd | |
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| Abstract: |
| The application of coal desulfurization sulfur in natural rubber（NR） compound was studied.The results showed that the sulfur element content of coal desulfurization sulfur was 95.32%，and the main components of desulfurization sulfur were similar to sulfur.Using coal desulfurization sulfur as an equivalent substitute for sulfur as a vulcanization agent had a significant delayed vulcanization effect for NR compound.As the dosage of coal desulfurization sulfur increased，the Shore A hardness of NR vulcanizate changed little，the modulus at 300%，tensile strength and tear strength increased at first and then decreased，while the elongation at break and set after break gradually decreased. |
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