| 煤脱硫在天然橡胶胶料中的应用研究 |
| Study on Application of Coal Desulfurization Sulfur in NR Compound |
| 投稿时间：2023-04-12 修订日期：2023-04-12 |
| DOI：10.12136/j.issn.1000-890X.2025.01.0045 |
| 中文关键词: 煤脱硫 天然橡胶 硫化特性 物理性能 |
| 英文关键词: coal desulfurization sulfur NR vulcanization characteristics physical property |
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| 中文摘要: |
| 研究煤脱硫在天然橡胶（NR）胶料中的应用。结果表明：煤脱硫的硫元素含量为95.32%，煤脱硫的主要成分与硫黄相似；以煤脱硫等量替代硫黄作为硫化剂，具有明显迟延NR胶料硫化的作用；随着煤脱硫用量的增大，NR硫化胶的邵尔A型硬度变化不大，300%定伸应力、拉伸强度和撕裂强度先增大后减小，拉断伸长率和拉断永久变形逐渐减小。 |
| 英文摘要: |
| 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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