高温摩擦条件下抗氧剂对TMPTO抗氧化性能的影响  

Effect of Antioxidants on the Oxidation Resistance of TMPTO under High-temperature Friction

作　　者：程冰雪 贾丹[1] 陈松[1] 钱绪政[1] 金永亮[1] 李健[1] 

机构地区：[1]武汉材料保护研究所,湖北武汉430030

出　　处：《润滑与密封》2017年第10期17-22,共6页Lubrication Engineering

基　　金：国家重点基础研究发展计划(973计划)项目(2013CB632303);国家自然科学基金项目(51575402)

摘　　要：采用红外光谱法与拉曼光谱法,研究TMPTO酯类基础油以及在其中添加胺类和酚类抗氧剂及ZDDP的油样,在高温往复摩擦条件下的抗氧化性能及高温摩擦性能。结果表明:高温试验后油样的红外光谱在高波区内-OH峰透过率明显下降,油样的拉曼光谱中=CH与C=C的振动伸缩峰的拉曼强度明显减小,表明油品分子中C=C与=CH在高温摩擦试验过程中发生了氧化;酚类抗氧剂加剧了C=C与=CH的氧化程度,胺类抗氧剂及胺类与酚类的复配抗氧剂可以略为减缓油品氧化程度,ZDDP可以明显降低C=C的氧化而对=CH的作用效果要差些;ZDDP与胺类及酚类抗氧剂复配可以显著减缓C=C和=CH的氧化程度。胺类和酚类抗氧剂对摩擦因数及磨损程度影响不大,ZDDP以及胺类与酚类复配的抗氧剂具有较优的抗磨减摩能力,ZDDP与胺类及酚类抗氧剂共同作用时在高温下具有显著的抗磨减摩能力。Infrared spectroscopy and Raman spectroscopy were used to analyze the oxidation resistance and high-temperature tribological properties of TMPTO ester base oils with different antioxidants （ aromatic amine, phenolic antioxidant additives and ZDDP）, in the high temperature reciprocating friction conditions.Results show that the-OH peak transmittance in the high wave area is decreased, and the Raman intensity of = CH and C = C is obviously attenuated after high-temperature test,indicating that the = CH and C = C in the oil molecules are oxidized.And at high-temperature test, phenolic antioxidant increases the degree of oxidation of C = C and = CH, while amine antioxidant and the compound of amine and phenolic antioxidants can slightly reduce the degree ofgxidation of the ester base oils.ZDDP can significantly reduce the oxidation of C=C ,but it has poor effect on the oxidation resistance of =CH.The combination of ZDDP with amine and phenolic antioxidants has excellent oxidation resistance.Amine antioxidant and phenolic antioxidant have little effect on the friction coefficient and wear, ZDDP and the compound of amine and phenolic antioxidants have good anti-wear and friction reducing properties, while the combination of ZDDP with amine and phenolic antioxidants has excellent anti-wear and friction reducing properties at high temperature .

关 键 词：三羟甲基丙烷油酸酯 高温摩擦 抗氧化性能 红外光谱 拉曼光谱 

分 类 号：TH117.1[机械工程—机械设计及理论]