A lubricant oil composition of the present invention that is prepared by blending a boron-containing compound therein, the boron-containing compound having a ratio of an integrated value of peaks in the 5 to 25 ppm chemical shift to an integrated value of peaks in the -10 ppm to 25 ppm chemical shift, as determined by 11B-NMR measurement in deuterochloroform using BF3·OEt2 as an external standard (0 ppm), of 0.5 or higher and 1.0 or lower.
本发明的一种润滑油组合物,是通过在其中掺入一种含
硼化合物而制备的,该含
硼化合物的 5 至 25 ppm
化学位移峰的综合值与-10 ppm 至 25 ppm
化学位移峰的综合值之比(以
BF3-OEt2 为外标(0 ppm),在脱
氯甲烷中进行 11B-NMR 测量而得)为 0.5 或更高,1.0 或更低;该含
硼化合物的-10 ppm 至 25 ppm
化学位移峰的综合值与-10 ppm 至 25 ppm
化学位移峰的综合值之比(以 -OEt2 为外标(0 ppm),在脱
氯甲烷中进行 11B-NMR 测量而得)为 0.5 或更高,1.0 或更低。