New Japan Chemical Co., Ltd.

Akinobu Takegami

Yasuyuki Kawahara

Shinya Tsujimoto

Hirotsugu Mochida

Shunsuke Ano

Jun Itsuki

An object of the present invention is to provide a lubricant base oil for power transmission that has a high traction coefficient and a high flash point, and excellent low-temperature fluidity. The present invention relates to a lubricant base oil for power transmission containing a compound represented by formula (1): wherein Rto Rare the same or different, and each represents a hydrogen atom or a Clinear or branched alkyl group,any two of Rto Rmay bind to each other to form a Calkylene group, two Rs, two Rs, two Rs, two Rs, and two Rs may be individually the same or different, X is obtained by removing two hydroxyl groups from a Cbranched aliphatic diol and represents a divalent group containing no quaternary carbon, and the two hydroxyl groups are each of a primary alcohol.

Power transmission lubricant oil base oil

An object of the present invention is to provide a lubricant base oil for power transmission (in particular, a lubricant base oil for traction drives) having a high traction coefficient and a high flash point. The present invention relates to a lubricant base oil for power transmission comprising an alicyclic dicarboxylic acid diester compound represented by general formula (1): wherein Rto Rare the same or different, and each represents hydrogen or linear or branched Calkyl, and two R, two R, two R, two R, and two Rmay respectively be the same or different; and ring A is wherein R represents Calkyl, and n represents 0, 1, or 2; when n represents 2, R may be the same or different.

Growing community of inventors

Kyoto, Japan

Akinobu Takegami