LUBRICATION OIL ADDITIVE AND METHOD FOR MANUFACTURING SAME, AND LUBRICATION OIL COMPOSITION USING SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20170198232A1
公开(公告)日:2017-07-13
Through a lubricating oil additive including an amide compound represented by the following general formula (1) and a lubricating oil composition using the same, a lubricating oil additive and a lubricating oil composition exhibiting not only a high intermetal friction coefficient but also excellent intermetal friction-coefficient/slipping-velocity characteristics are provided.
R
a
—CO—(NH-L
1
)
n
-NR
b
R
c
(1)
In the formula, R
a
is a straight-chain alkyl group having 8 to 22 carbon atoms or a branched-chain alkyl group having 8 to 22 carbon atoms, or a straight-chain alkenyl group having 8 to 22 carbon atoms or a branched-chain alkenyl group having 8 to 22 carbon atoms; L
1
is an alkylene group having 1 to 6 carbon atoms; n is an integer of 1 to 4; and —NR
b
R
c
is a primary amino group or a piperazyl group.
通过包括以下一般式(1)所代表的酰胺化合物的润滑油添加剂和使用该润滑油组合物,提供了一种润滑油添加剂和润滑油组合物,不仅表现出高金属间摩擦系数,而且还具有优秀的金属间摩擦系数/滑动速度特性。在公式中,Ra为具有8至22个碳原子的直链烷基基团或具有8至22个碳原子的支链烷基基团,或具有8至22个碳原子的直链烯基基团或具有8至22个碳原子的支链烯基基团;L1为具有1至6个碳原子的烷基基团;n为1至4的整数;而—NRbRc为一次氨基团或哌嗪基团。