Synthesis and tribological properties of non-phosphorus and sulfur-free heterocyclic derivatives of triazine as lubricant additives

GONG Pijian; WANG Haiyan; TANG Haiyan; XU Hongbin; ZHANG Yi

doi:10.11949/j.issn.0438-1157.20161472

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Synthesis and tribological properties of non-phosphorus and sulfur-free heterocyclic derivatives of triazine as lubricant additives

更新时间：2025-12-10

- Synthesis and tribological properties of non-phosphorus and sulfur-free heterocyclic derivatives of triazine as lubricant additives
- CIESC Journal Issue 4, Pages: 1702-1711(2017)
- 作者机构：
  
  1. 辽宁石油化工大学化学化工与环境学部, 辽宁省车用清洁燃料工程技术研究中心,辽宁,抚顺,113006
  2. 中国科学院绿色过程与工程重点实验室,北京,100190
  3. 中国科学院过程工程研究所, 湿法冶金清洁生产技术国家工程实验室,北京,100190
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161472
  CLC： 473.6
- Online First：05 April 2017，
  
  Published：05 April 2017
- 稿件说明：
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GONG Pijian, WANG Haiyan, TANG Haiyan, et al. Synthesis and tribological properties of non-phosphorus and sulfur-free heterocyclic derivatives of triazine as lubricant additives[J]. CIESC Journal, 2017, (4): 1702-1711.
DOI：

GONG Pijian, WANG Haiyan, TANG Haiyan, et al. Synthesis and tribological properties of non-phosphorus and sulfur-free heterocyclic derivatives of triazine as lubricant additives[J]. CIESC Journal, 2017, (4): 1702-1711. DOI： 10.11949/j.issn.0438-1157.20161472.

摘要

以三聚氯氰和吗啉、苯酚为原料合成了两种无硫磷的三嗪含氮杂环衍生物2，4，6-三吗啉基-均三嗪（CMMM）和2，4，6-三苯酚基-均三嗪（CPPP）润滑油添加剂，并采用FT-IR和元素分析对其结构进行了表征。考察了CPPP和CMMM的热稳定性和油溶性。采用四球摩擦磨损试验机研究了CMMM和CPPP在菜籽油中的极压、抗磨及减摩性能；并测试了CMMM和CPPP分别与T202进行复配后的摩擦学性能。采用SEM和EDS观察摩擦表面的形貌特征和元素。结果表明，合成了目标产物CMMM和CPPP；CMMM和CPPP在菜籽油中具有良好的溶解性；在相同实验条件下，CMMM和CPPP的分解温度范围分别为270.16~347.58℃和285.26~478.45℃。两者具有良好的热稳定性，且CPPP的热稳定性优于CMMM；在不同的载荷、添加比例等条件下，CPPP的摩擦学性能优于CMMM。CPPP优异的摩擦学性能得益于分子中含的苯酚环比吗啉环更加紧密，在摩擦过程中，添加剂与摩擦副表面发生化学反应，生成了含氮的复合边界润滑膜，起到减摩抗磨的作用。复配性能测试发现，在不同的载荷、添加比例等条件下，CMMM与T202的最佳复配比为5:5，CPPP与T202的最佳复配比为3:7。

Abstract

Two kinds of non-phosphorus and sulfur-free triazine derivatives lubricant additive 2

6-tri-morpholine-sym-triazine (named as CMMM) and 2

6-tri-phenol-sym-triazine (named as CPPP) were synthesized using cyanuric chloride

morpholine and phenol as raw materials

their structures were characterized by FT-IR and elemental analysis. The thermal stabilities of CMMM and CPPP were studied by thermal analysis

and their solubility properties were also researched. The friction reducing

anti-wear and load-carrying capacities of CMMM and CPPP in rapeseed oil were investigated by four-ball test. CMMM and CPPP were mixed with T202 respectively

and the tribological properties of them were also tested. The surface morphology and the elemental composition of the tribofilms were investigated by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS)

respectively. The results revealed that the synthetic products were the target compounds CMMM and CPPP

they completely dissolved and had good soluble properties in rapeseed oil. The decomposition temperature of CMMM and CPPP ranged from 270.16℃ to 347.58℃

and from 285.26℃ to 478.45℃

respectively. The thermal stability of CPPP was better than that of CMMM. CPPP exhibited more superior tribological performances than CMMM under different experimental conditions of test loads and additive concentrations. The excellent tribological property of CPPP may be due to the phenol ring is tighter than the morpholine ring

which plays an important role in friction reducing and anti-wear of boundary lubrication. The best ratio of CMMM to T202 was 5:5

the best ratio of CPPP to T202 was 3:7.

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