润滑科技信息平台

专利摘要

A lubricating oil composition characterised in that it comprises a succinic acid derivative and an amide compound as additives, and a base oil selected from a mineral oil, a synthetic oil, and mixtures thereof. The lubricating oil composition of the present invention has excellent rust-preventing properties, a reduced friction coefficient and excellent energy-saving characteristics. ......

基本信息

专利类型:
发明专利
申请/专利号:
PCT/EP2010/069350
申请日期:
2010-12-10
专利申请人:
["国际壳牌研究有限公司","FUJITA AKIKO","KANEKO HIROSHI","NAGAKARI MITSUHIRO","OHTSU HIROHIKO","OTSUKA AYANO"]
分类号:
["C10M169/04","C10N40/04","C10N30/06","C10N40/08","C10N40/02","C10N40/30","C10N30/12","C10M141/06"]
发明/设计人:
FUJITA, AKIKO ， KANEKO, HIROSHI ， NAGAKARI, MITSUHIRO ， OHTSU, HIROHIKO ， OTSUKA, AYANO
权利要求: C L A I M S1. A lubricating oil composition comprising a succinic acid derivative and an amide compound as additives, and a base oil selected from a mineral oil, a synthetic oil, and mixtures thereof.2. A lubricating oil composition according to Claim 1 additionally comprising a polyhydric alcohol ester as an additive .3. A lubricating oil composition according to Claim 1 or Claim 2 wherein the succinic acid derivative has an acid number in the range of from 10 to 300 mgKOH/g (JIS K2501) .4. A lubricating oil composition according to with any of Claims 1 to 3 wherein the amount of the aforementioned succinic acid derivative in the lubricating oilcomposition is in the range of from 0.001 to 0.5% by mass and the amount of the amide compound is in the range of from 0.001 to 0.5% by mass.5. A lubricating oil composition according to any of Claims 1 to 4 wherein the succinic acid derivative has the general formula (1) : coox1 ###0001### wherein Xi and X2 are each hydrogen or alkyl groups, alkenyl groups or hydroxyalkyl groups having from 3 to 6 carbons which may be the same or different, and X3 has 1 to 30 carbons and is an alkyl group or an alkenyl group, or an alkyl group having ether bonds, or a hydroxyalkyl group .6. A lubricating oil composition according to Claim 5 wherein Xi and X2 are each independently selected from hydrogen atoms, 1-hydroxypropyl groups, 2-hydroxypropyl groups, 2-methylpropyl groups and tertiary butyl groups.7. A lubricating oil composition according to any of Claims 1 to 6 wherein the amide compound is selected from compounds of general formula (2), which are products based on fatty acids and monoamines or polyamines:X4CONH2 (2) wherein X4 is an alkyl group or alkenyl group having from 1 to 30 carbon atoms.8. A lubricating oil composition according to Claim 7 wherein X4 has from 8 to 24 carbon atoms, preferably from 12 to 18 carbon atoms.9. A lubricating oil composition according to Claim 7 or 8 wherein X4 is selected from laurylamide, coconut amide, n-tridecylamide, myristylamide, n-pentadecylamide, n-palmitylamide, n-heptadecylamide, n-stearylamide, isostearylamide, n-nononadecylamide, n-eicosylamide, n- heneicosylamide, n-docosylamide, n-tricosylamide, n- pentacosylamide, oleylamide, beef tallow amide,hydrogenated beef tallow amide and soybean amide.10. A lubricating oil composition according to any of Claims 1 to 9 wherein the base oil is selected from anAPI (American Petroleum Institute) Group II base oil, an API Group III base oil, a GTL base oil and apolyalphaolefin .11. Use of a lubricating oil composition according to any of Claims 1 to 10 for reducing friction and/or for rust prevention.