无味硫基聚合物的合成及其高承载能力作为极高压滑剂添加剂
Qi Pei1, Qing Huang2, Haozhe Xu1,3
1Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Natural Product Chemistry, and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
Langmuir : the ACS journal of surfaces and colloids
|March 17, 2026
概括
从元素硫和脂肪酸合成了新的无味硫基聚合物,以取代有问题的硫化异布烯 (SIB) 极压 (EP) 添加剂. 这些绿色添加剂显著降低了滑油的摩擦和磨损,没有相关的气味.
科学领域:
- 材料科学 材料科学 材料科学
- 部落学 (tribology) 是一个学科.
- 绿色化学 绿色化学
背景情况:
- 硫化异布烯 (SIB) 是滑油中常见的极压 (EP) 添加剂,但有着强烈的,不愉快的气味.
- 需要来自可持续来源的无味,高性能EP添加剂.
研究的目的:
- 合成新的,无味的硫基聚合物,作为SIB的潜在替代品.
- 评估这些新型聚合物作为滑剂添加剂的 Tribological 特性.
主要方法:
- 通过元素硫 (S8) 的逆化和用脂肪酸 (酸,酸,油酸) 的化合成聚合物 (S-r-UnOH-x).
- 使用SRV-IV振荡反转和四球磨损测试仪进行tribological测试.
- 与聚烯 (PAO-10) 基油和商用SIB添加剂 (T321) 的比较.
主要成果:
- 合成的油溶性,无味的含硫聚合物.
- 与PAO-10相比,可以显著降低摩擦 (高达59.8%) 和磨损 (高达93.2%).
- 证明了高承载能力 (1500 N SRV-IV) 和优良的抗磨损性能 (PB: 1069 N,PD: 2453 N 四球).
结论:
- 新型基于硫的聚合物表现出卓越的 Tribological 性能,与商业 SIB 添加剂相比或更好.
- 这些无味的聚合物为EP添加剂应用提供了绿色替代品,利用工业硫副产品.
- 该研究强调了可持续和环保的滑剂添加剂的潜力.
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