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EFFECT OF POLAR PORTION ON ANTIOXIDANT ACTIVITY IN HYDRO-TREATED LUBRICATING BASE OIL
Author(s): 
Pages: 85-87
Year: Issue:  6
Journal: ACTA PETROLEI SINICA(PETROLEUM PROCESSING SECTION)

Keyword:  极性部分加氢润滑油基础油旋转氧弹氧化安定性;
Abstract: 采用硅胶分离提取出加氢润滑油中的极性部分,并对该部分进行了红外光谱、族组成和元素分析.由分析结果发现,该极性部分主要由一些含硫、氮、氧等杂原子的芳香族化合物和部分胶质组成.还采用旋转氧弹试验评价了该极性部分对润滑油氧化安定性的影响.结果表明,极性部分对润滑油的氧化安定性具有很大的影响.对兰州炼油厂加氢润滑油而言,其极性部分的极限含量为0.03%,当极性部分含量大于0.03%时,润滑油的抗氧化安定性会大大降低.
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