文章摘要
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 NameAffiliationE-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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