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Issue:
EFFECT OF POLAR PORTION ON ANTIOXIDANT ACTIVITY IN HYDRO-TREATED LUBRICATING BASE OIL
Author(s):
XUE Zhigang
,
CHEN Dianyu
,
SU Zhixing
Pages:
85
-
87
Year:
2003
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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