不同加工工艺基础油结构特征对其性能的影响研究(Ⅱ)——芳烃结构等对其氧化安定性的影响

The Relation Between the Structure Characteristics of Base Oils and Their Properties (Ⅱ)——The effect of Aromatic Structures on Their Oxidation Properties

在采用液固色谱将基础油分离的基础上 ,利用四极杆质谱技术对加氢异构基础油、溶剂精制基础油的芳烃组成进行了详细的分析。在此基础上 ,将不同类型芳烃、硫氮模型化合物加入到两种基础油的饱和烃中 ,用DSC法考察了不同芳烃、硫氮模型化合物对基础油氧化性能的影响 。

After being separated into four fractions by column chromatogram, hydroisomerized base oil and solvent refining base oil have been studied to obtain component level information by mass spectrum The effect of different types of aromatic, sulphide and nitride on base oils oxidation have been investigated by DSC The effect of additives on base oils oxidation has also been studied by ROBST (Rotate oxidation bomb test)and DSC(Differential scanning calorimetry).