There is provided lubricants for power transmission which exhibit not only a high coefficient of traction but also a high flash point. The lubricants for power transmission according to the present invention contains an alicyclic alcohol carboxylic diester compound represented by the general formula (1):
R
1
—CO—O—(X
1
)
m
-Z-(X
2
)
n
—O—CO—R
2
(1)
wherein Z is a cycloalkylene group having 3 to 12 carbon atoms; R
1
and R
2
are each independently a chain hydrocarbon group having 3 to 20 carbon atoms; X
1
and X
2
are each independently a linear or branched alkylene group having 1 to 5 carbon atoms; and m and n are respectively an integer of 0 or 1.
提供了一种用于动力传输的润滑剂,不仅具有高牵引系数,而且具有高闪点。根据本发明,用于动力传输的润滑剂含有由通式(1)表示的脂环族醇
羧酸二酯化合物:R1—CO—O—(X1)m-Z-(X2)n—O—CO—R2(1),其中Z是具有3到12个碳原子的环烷基;R1和R2分别是具有3到20个碳原子的链烃基;X1和X2分别是具有1到5个碳原子的线性或支链烷基;m和n分别是0或1的整数。