| 发明名称 | Bearing lubricant and use thereof | ||
| 摘要 | A bearing lubricant of the present invention contains a compound represented by the following general formula: CfH2f+1—R1a—O—(C═O)—O—R2b—CgH2g+1 wherein O represents an oxygen atom; C represents a carbon atom; H represents a hydrogen atom; R1 and R2 independently represent a C2-C48 oxaalkylene group having 1 to 6 oxygen atoms; a and b independently represent an integer of 0 or 1 and satisfy a+b≧1; and f and g independently represent an integer of 1 to 12. | ||
| 申请公布号 | US8916509(B2) | 申请公布日期 | 2014.12.23 |
| 申请号 | US201213983916 | 申请日期 | 2012.01.20 |
| 申请人 | Moresco Corporation | 发明人 | Maruyama Shingo;Nakacho Yoshifumi |
| 分类号 | C10M169/04;F16C32/06;F16C1/00;C07C69/96;C10M105/48;F16C17/00;H02K7/08;F16C33/66;F16C33/10 | 主分类号 | C10M169/04 |
| 代理机构 | Harness, Dickey & Pierce, P.L.C. | 代理人 | Harness, Dickey & Pierce, P.L.C. |
| 主权项 | 1. A bearing lubricant, comprising a compound represented by the following general formula (1): CfH2f+1—R1a—O—(C═O)—O—R2b—CgH2g+1 (1)wherein O represents an oxygen atom; C represents a carbon atom; H represents a hydrogen atom; R1 and R2 independently represent a C2-C48 oxaalkylene group having 1 to 6 oxygen atoms; a and b independently represent an integer of 0 or 1 and satisfy a+b≧1; f represents an integer of 8 to 12; and g represents an integer of 1 to 12, wherein the bearing lubricant is a fluid bearing lubricant or an impregnated bearing lubricant, and wherein the bearing lubricant has a volume resistivity of not more than 1×1012 Ω·cm, a kinetic viscosity at 40° C. of 6 mm2/s to 13 mm2/s, a viscosity index of not less than 80, and a pour point of not higher than −20° C. | ||
| 地址 | Hyogo JP | ||