润滑科技信息平台

专利摘要

一种润滑改性剂及其应用,该润滑改性剂包含具有式(I)所示结构的化合物,其中基团R1和R2各自独立地为单键或取代或未取代的C1-C20亚烃基,基团R3和R4 各自独立地为氢或取代或未取代的C1-C10烃基,基团X和Y各自独立地为氢或取代或未取代的C1-C50烃基,且X和Y中的至少一个为氢。本发明的润滑改性剂产品在油品中低用量即可显着提高油品的润滑性,稳定性好,不易氧化和/或变质,能长期保持良好的润滑性改善效果。 ......

基本信息

专利类型:
发明专利
申请/专利号:
EP2022875128
申请日期:
2022-09-30
专利申请人:
分类号:
["C10M129/66","C10L1/00","C10L1/10","C10L1/14","C10L1/18","C10L1/19","C10L10/08","C10N30/00","C10N30/06","C10M105/36","C10M105/32","C10M129/18","C10M169/04","C07D301/12","C07D303/48","C10N40/25"]
发明/设计人:
XIA, XIN ， LIN, JIANMIN ， TAO, ZHIPING ， LI, YAN ， LI, BAOSHI
权利要求: 1. A lubricity modifier suitable for improving lubricity of oil products, comprising 50-100 wt%, preferably 60-100 wt%, more preferably 70-100 wt%, further preferably 80-100 wt%, particularly preferably 90-100 wt% of a compound having a structure represented by following formula (I), wherein, groups R1 and R2 are each independently a single bond or a substituted or unsubstituted C1-C20 hydrocarbylene group, preferably each independently a single bond or a substituted or unsubstituted C1-C10 alkylene group; groups R3 and R4 are each independently hydrogen or a substituted or unsubstituted C1-C10 hydrocarbyl group, preferably each independently hydrogen or a substituted or unsubstituted C1-C5 hydrocarbyl group; groups X and Y are each independently hydrogen or a substituted or unsubstituted C1-C50 hydrocarbyl group, preferably each independently hydrogen or a substituted or unsubstituted C4-C30 hydrocarbyl group, and at least one of X and Y is hydrogen, wherein the "substituted" refers to being substituted with at least one group selected from the group consisting of hydroxyl, carboxyl, ester group, hydrocarbyloxy, primary amino, secondary amino, amido, and aminoacyl, preferably selected from the group consisting of hydroxyl, carboxyl, ester group, and hydrocarbyloxy.2. The lubricity modifier according to claim 1, wherein in the compound having the structure of formula (I), groups R1 and R2 are each independently a single bond or a substituted or unsubstituted C1-C4 alkylene group; groups R3 and R4 are each independently hydrogen or a substituted or unsubstituted C1-C2 hydrocarbyl group; groups X and Y are each independently hydrogen or a substituted or unsubstituted C4-C20 hydrocarbyl group, and at least one of X and Y is hydrogen, preferably one of X and Y is hydrogen and the other is a substituted or unsubstituted C4-C20 hydrocarbyl group; wherein the "substituted" refers to being substituted with at least one group selected from the group consisting of hydroxyl, carboxyl, ester group and hydrocarbyloxy.3. The lubricity modifier according to claim 1, wherein the compound having the structure of formula (I) is selected from the group consisting of epoxysuccinic acid monoester and epoxidized glutaconic acid monoester, preferably, the compound having the structure of formula (I) is selected from the group consisting of mono-n-butyl ester, mono-iso-butyl ester, mono-n-pentyl ester, mono-iso-pentyl ester, mono-n-octyl ester, mono-iso-octyl ester, mono-n-nonyl ester, mono-iso-nonyl ester, mono-lauryl ester, mono-octadecyl ester, mono-oleyl ester, mono-cyclopentyl ester, mono-cyclohexyl ester, mono-poly(ethylene glycol) monomethyl ether ester, mono-poly(ethylene glycol) ester, mono-poly(propylene glycol) ester, mono-poly(propylene glycol) monobutyl ether ester of epoxysuccinic acid and epoxidized glutaconic acid, or any combination thereof, or selected from the group consisting of epoxysuccinic acid monoester group-containing ricinoleic acid, epoxysuccinic acid monoester group-containing methyl ricinoleate, 12-epoxysuccinic acid monoester group-containing stearic acid, 12-epoxysuccinic acid monoester group-containing methyl stearate, epoxidized glutaconic acid monoester group-containing ricinoleic acid, epoxidized glutaconic acid monoester group-containing methyl ricinoleate, 12-epoxidized glutaconic acid monoester group-containing stearic acid, 12-epoxidized glutaconic acid monoester group-containing methyl stearate, or any combination thereof.4. A lubricating oil composition, comprising a base oil for lubricating oil and, based on mass of the base oil for lubricating oil, 0.01-30 wt%, preferably 0.05-20 wt%, further preferably 0.1-10 wt% of the compound having the structure of formula (I) as defined in any one of claims 1-3, wherein the compound is used as a lubricity modifier; preferably, the base oil for lubricating oil is selected from the group consisting of mineral base oils, synthetic base oils, and bio-base oils.5. An engine fuel oil composition, comprising a liquid base fuel and, based on mass of the base fuel, 10-5000 mg/kg, preferably 50-1000 mg/kg, further preferably 100-500 mg/kg of the compound having the structure of formula (I) as defined in any one of claims 1-3, wherein the compound is used as a lubricity modifier, preferably, the base fuel is selected from the group consisting of petroleum-based source fuels, such as middle distillate fuels, diesel fuels, gasoline, jet fuels, kerosene, marine oils, and other low-sulfur fuels, high asphaltene fuels, liquefied petroleum gas fuels, and the like; bio-renewable fuels, such as biodiesel fuels, biomass-to-liquid (BTL) fuels, and the like; synthetic fuels, such as gas-to-liquid (GTL) fuels and other synthetic fuels, and the like; coal-based source fuels, such as alcohols, ethers, Fischer-Tropsch synthetic fuels, coal-to-liquid (CTL) fuels, fuels derived from coal and/or petroleum coke; and other fuels, such as genetically engineered biofuels, and crops and extract fuels thereof; further preferably, the base fuel is selected from the group consisting of gasoline fuels and diesel fuels.6. A method of using the compound having the structure of formula (I) as defined in any one of claims 1-3 as a lubricity modifier for oil products, comprising a step of adding the compound to an oil product, preferably, the oil product is a lubricating oil or an engine fuel oil.7. A method for improving lubricity of a lubricating oil, comprising adding to the lubricating oil 0.01-30 wt%, preferably 0.05-20 wt%, further preferably 0.1-10 wt%, based on mass of a base oil for lubricating oil in the lubricating oil, of the compound having the structure of formula (I) as defined in any one of claims 1-3 as a lubricity modifier.8. A method for improving lubricity of an engine fuel oil, comprising adding to the engine fuel oil 10-5000 mg/kg, preferably 50-1000 mg/kg, further preferably 100-500 mg/kg, relative to mass of a base fuel in the engine fuel oil, of the compound having the structure of formula (I) as defined in any one of claims 1-3 as a lubricity modifier.9. An additive composition for oil products, comprising from 10 wt% to less than 100 wt%, preferably 30-90 wt%, more preferably 50-90 wt%, of the compound having the structure of formula (I) as defined in any one of claims 1-3, and from greater than 0 wt% to 90 wt%, preferably 10-70 wt%, more preferably 10-50 wt%, of one or more additive for improving properties of oil products, wherein the compound having the structure of formula (I) is used as a lubricity modifier.10. The additive composition for oil products according to claim 9, wherein the additive for improving properties of oil products is selected from the group consisting of detergent dispersants, metal deactivators, corrosion inhibitors, antioxidants, rust inhibitors, cetane improvers, pour point depressants, combustion promoters, or combinations thereof.