| 摘要 |
PURPOSE:To ensure excellent durability and torque characteristics by using one or more kinds of ether-contg. fatty acid esters each represented by a specified formula as lubricative components. CONSTITUTION:An ether-contg. fatty acid ester having a specified structure represented by the formula is used as a lubricative component. In the formula, R<1> is 3-12C straight chain or branched chain alkyl or 2-12C straight chain or branched chain alkenyl, R<2> is 5-21C straight chain or branched chain alkyl or alkenyl, EO is oxyethylene, PO is oxypropylene, (m) is an integer of 0-18, (n) is an integer of 1-18, 1<=m+n<=18, EO and PO may bond in any order and any of random bonding and block bonding may be adopted. |
