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发明公开
CN105247016A 润滑油基础油的制造方法 有权

润滑油基础油的制造方法
摘要：
本发明公开了一种润滑油基础油的制造方法，其具备如下工序：第1工序，对于被处理油进行13C-NMR分析，基于如下值选择被处理油，所得13C-NMR谱中的、归属于叔碳原子的峰的积分值除以0～50ppm的全部峰的积分值所得的值、归属于构成烃主链的碳原子的峰的积分值除以0～50ppm的全部峰的积分值所得的值、和归属于在烃主链中的自末端碳原子起第5号碳原子或位于第5号碳原子内侧的碳原子上键合的支链CH3的峰的积分值除以10～25ppm的全部峰的积分值所得的值；以及第2工序，将前述第1工序中选择的被处理油进行异构化脱蜡得到脱蜡油。
摘要（英）：

Disclosed is a method for producing a lubricant oil base oil, which comprises: a first step of carrying out a 13C-NMR analysis of each of oils to be treated and then selecting an oil among the oils on the basis of a value produced by dividing an integral value of a peak assigned to a tertiary carbon atom by an integral value of all of peaks appearing at 0 to 50 ppm, a value produced by dividing an integral value of a peak assigned to a carbon atom constituting a hydrocarbon main chain by an integral value of all of peaks appearing at 0 to 50 ppm, and a value produced by dividing an integral value of a peak assigned to a branch CH3, which is bound to a carbon atom located at the fifth position as numbered from the terminal carbon atom or is bound to a carbon atom located inwardly from the aforementioned carbon atom in the hydrocarbon main chain, by an integral value of all of peaks appearing at 10 to 25 ppm in 13C-NMR spectra obtained by the analysis; and a second step of isomerizing and dewaxing the oil that is selected in the first step, thereby producing a dewaxed oil.

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