CN111979023A - 调和内燃机油及其制备方法和应用 - Google Patents
调和内燃机油及其制备方法和应用 Download PDFInfo
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- CN111979023A CN111979023A CN202010839577.7A CN202010839577A CN111979023A CN 111979023 A CN111979023 A CN 111979023A CN 202010839577 A CN202010839577 A CN 202010839577A CN 111979023 A CN111979023 A CN 111979023A
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- oil
- internal combustion
- combustion engine
- engine oil
- parts
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- 230000003647 oxidation Effects 0.000 claims abstract description 16
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- 239000003921 oil Substances 0.000 claims abstract description 11
- -1 alkyl salicylate Chemical compound 0.000 claims description 21
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- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
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- LJKQIQSBHFNMDV-UHFFFAOYSA-N 7-thiabicyclo[4.1.0]hepta-2,4-dien-6-ol Chemical compound C1=CC=CC2(O)C1S2 LJKQIQSBHFNMDV-UHFFFAOYSA-N 0.000 description 1
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- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
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- 229910052787 antimony Inorganic materials 0.000 description 1
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- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
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- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical class [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/022—Well-defined aliphatic compounds saturated
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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Abstract
本发明涉及润滑油调和技术领域,具体涉及一种调和内燃机油及其制备方法和应用。所述调和内燃机油包含以下组分:基础油70‑94重量份,功能复合剂5‑20重量份,非功能添加剂1‑10重量份;其中,所述基础油为III+类CTL基础油。本发明提供的调和内燃机油具有优异的氧化安定性、粘温性能、换油周期长、粘度指数高、蒸发损失小等优点,且生产成本低。此外,本发明提供的内燃机油,无需降凝剂,即可达到润滑油的低温性能指标。
Description
技术领域
本发明涉及润滑油调和技术领域,具体涉及一种调和内燃机油及其制备方法和应用。
背景技术
内燃机油亦称发动机油或曲轴箱油,是润滑油消耗量最大、发展最快和技术含量最高的一类,占比50%左右。其中,内燃机油由基础油和添加剂组成,组分中基础油是主体,其性能的好坏对润滑油起决定性作用。
随节能环保的要求,润滑油基础油已逐渐转向低硫、低氮、低芳烃和高粘度指数方向发展。基于我国“富煤、少油、有气”能源结构,以煤为原料经气化、变换、净化及费托合成生产费托油品,其中费托重油中硫、氮及芳烃含量极低,烃类含量高且以饱和烃为主,经加氢精制和异构脱蜡等工艺流程生产的Ⅲ+类CTL基础油性能与Ⅳ类PAO基础油相当,属于高档润滑油基础油。
随着环保等新法规的陆续出台,从降低排放的角度出发,要求内燃机油具有低温性能好、蒸发损失低和氧化稳定高等特点,而现有的内燃机油已无法满足上述要求。
发明内容
本发明的目的是为了克服现有技术内燃机油存在低温性能差、蒸发损失高、氧化稳定性低、以及需要添加降凝剂达到低温性能指标等问题,提供一种调和内燃机油及其制备方法和应用。
为了实现上述目的,本发明第一方面提供一种调和内燃机油,所述调和内燃机油包含以下组分:基础油70-94重量份,功能复合剂5-20重量份,非功能添加剂1-10重量份;其中,所述基础油为III+类CTL基础油。
优选地,所述功能复合剂包含清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂。
优选地,所述非功能添加剂包含粘度改进剂和抗泡剂。
本发明第二方面提供一种调和内燃机油的制备方法,该方法包括:将III+类CTL基础油、功能复合剂和非功能添加剂进行混合,得到调和内燃机油;
其中,所述III+类CTL基础油、功能复合剂和非功能添加剂的重量比为70-94:5-20:1-10。
本发明第三方面提供一种第二方面提供的方法制得的调和内燃机油。
本发明第四方面提供一种第一方面和第三方面提供的调和内燃机油在汽油机油、柴油机油、汽柴油机通用机油、船用柴油机油和铁路内燃机车柴油机油中的应用。
相比现有技术,本发明采用III+类CTL基础油替代IV类PAO基础油作为调和内燃机油的基础油,并结合特定比例的功能复合剂、非功能添加剂,使得内燃机油具有优异的氧化安定性、粘温性能、换油周期长、粘度指数高、蒸发损失小等优点,且生产成本低。此外,本发明提供的内燃机油,无需降凝剂,即可达到润滑油的低温性能指标。
具体实施方式
在本文中所披露的范围的端点和任何值都不限于该精确的范围或值,这些范围或值应当理解为包含接近这些范围或值的值。对于数值范围来说,各个范围的端点值之间、各个范围的端点值和单独的点值之间,以及单独的点值之间可以彼此组合而得到一个或多个新的数值范围,这些数值范围应被视为在本文中具体公开。
本发明第一方面提供一种调和内燃机油,所述内燃机油包含以下组分:基础油70-94重量份,功能复合剂5-20重量份,非功能添加剂1-10重量份;其中,所述基础油为III+类CTL基础油。
本发明的发明人研究发现:采用III+类CTL基础油替代IV类PAO基础油作为调和内燃机油的基础油,由于III+类CTL基础油具有高饱和烃(尤其是异构烃)含量、高粘度指数、高氧化安定性、低蒸发损失含量、低酸值、低硫含量、高开口闪点和低倾点,可有效提高内燃机油的高、低温性能和氧化稳定性并降低生产成本。
同时,本发明的发明人还发现:通过特定比例的III+类CTL基础油与功能复合剂的配伍性,以及非功能添加剂的互补性,尤其是不同类型的功能复合剂之间的复合性,可有效提高内燃机油的低温性能(倾点、低温动力粘度)和高温性能(运动粘度和高温高剪切粘度)。
在本发明中,对所述III+类CTL基础油的来源具有较宽的选择范围,优选地,优选地,所述III+类CTL基础油由煤间接液化所得的费托重油经过加氢异构脱蜡处理得到,其中,所述费托重油为稳定重质油和/或费托蜡;进一步优选地,所述费托重油中,烷烃含量>85wt%,优选为85-90wt%,碳原子数≥20,优选为20-60。采用优选的条件,更有利于提高III+类CTL基础油的收率。
根据本发明的一种优选实施方式,将所述费托重油进行加氢异构脱蜡处理,得到所述III+类CTL基础油,其中,所述加氢异构脱蜡处理的条件包括:温度为280-400℃,优选为300-360℃;压力为2-14MPa,优选为4-10MPa;体积空速0.3-1.5h-1,优选为0.5-1.0h-1;氢油体积比200-1000:1,优选为400-800:1。
优选地,所述III+类CTL基础油的参数满足:运动粘度(100℃)为3-36mm2/s,饱和烃含量>99wt%,粘度指数>130,氧化安定性>300min,Noack蒸发损失含量<30wt%,酸值<0.03mg·KOH/g,硫含量<5ppm,开口闪点>200℃,倾点<-20℃,其中,所述运动粘度(100℃)采用GB/T 265测得,所述饱和烃含量采用SH/T 0753测得,所述粘度指数采用GB/T2541测得,所述氧化安定性采用SH/T 0193测得,所述Noack蒸发损失含量采用SH/T 0059测得,所述酸值采用GB/T4945测得,所述硫含量采用GB/T 17040测得,所述开口闪点采用GB/T3536测得,所述倾点采用GB/T 3535测得。因此,本发明采用的基础油为具有高粘度指数、低倾点、高氧化安定性和高饱和烃含量特性的III+类基础油。
在本发明中,所述功能复合剂用于弥补基础油中某些性能以实现内燃机油符合相关标准要求。优选地,所述功能复合剂包含清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂;进一步优选地,所述清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂的重量比为2-8:2-9:0.5-3:0.5-2:0.5-3。通过限定特定比例的重量比,以及各组分之间的协同作用,更有利于最大化发挥功能复合剂的功能与作用。
在本发明中,对所述功能复合剂具有较宽的选择范围,只要所述功能复合剂含有一定重量比的所述清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂即可。
在本发明的一些实施方式中,优选地,所述清净剂选自石油磺酸盐、合成磺酸盐、硫化烷基酚盐、环烷酸盐和烷基水杨酸盐中的至少一种;其中,所述石油磺酸盐选自石油磺酸钡和/或石油磺酸钙,所述合成磺酸盐选自合成磺酸镁、合成磺酸钙和合成磺酸钡中的至少一种,所述硫化烷基酚盐选自硫化烷基酚钙和/或硫化烷基酚镁,所述环烷酸盐选自环烷酸钙和/或环烷酸镁,所述烷基水杨酸盐选自烷基水杨酸钙和/或烷基水杨酸镁。
在本发明的一些实施方式中,优选地,所述分散剂选自丁二酰亚胺、丁二酸酯、无灰膦酸酯、硼化无灰分散剂和酚醛胺中的至少一种。
在本发明的一些实施方式中,优选地,所述抗氧抗腐剂选自二烷基二硫代磷酸盐和/或二烷基二硫代氨基甲酸盐,其中,所述二烷基二硫代磷酸盐选自二烷基二硫代磷酸锌、二烷基二硫代磷酸钼和二烷基二硫代磷酸锑中的至少一种;所述二烷基二硫代氨基甲酸盐选自二烷基二硫代氨基甲酸锌和/或二烷基二硫代氨基甲酸钼。
在本发明的一些实施方式中,优选地,所述抗氧剂选自烷基化二苯胺、2,6-二叔丁基对甲酚、钼酸酯和有机铜盐中的至少一种。进一步优选地,所述钼酸酯选自钼酸甲酯、钼酸乙酯和钼酸丙酯中的至少一种;所述有机铜盐选自硫代磷酸铜、硫代氨基甲酸铜和羧酸铜中的至少一种。
在本发明的一些实施方式中,优选地,所述摩擦改进剂选自脂肪酸、脂肪醇、脂肪胺和/或其衍生物和有机钼化合物中的至少一种;进一步优选地,所述脂肪酸选自月桂酸、辛酸、棕榈酸、硬脂酸和油酸中的至少一种;所述脂肪醇为含有C8-C22的有机醇,选自十二醇和/或正辛醇;所述脂肪胺和/或其衍生物为含有C8-C22的有机胺,选自C8-C22的伯胺、C8-C22的仲胺、C8-C22的叔胺和C8-C22的多胺中的至少一种;所述有机钼化合物选自二烷基二硫代磷酸氧钼、含氮二烷基二硫代磷酸氧钼、二烷基二硫代氨基甲酸钼、钼胺络合物、环烷酸钼和烷基水杨酸钼中的至少一种。
在本发明中,所述非功能添加剂用于改善内燃机油的高低温流变及抗泡性等。优选地,所述非功能添加剂包含粘度改进剂和抗泡剂;进一步优选地,所述粘度改进剂和抗泡剂的重量比为1-10:0.0001-0.1。通过限定特定比例的重量比,以及各组分之间的协同作用,更有利于发挥非功能添加剂的作用。
在本发明的一些实施方式中,优选地,所述粘度改进剂选自聚甲基丙烯酸酯、氢化苯乙烯-双烯共聚物和乙丙共聚物中的至少一种,其中,所述聚甲基丙烯酸酯的平均分子量为(1-10)×105;所述氢化苯乙烯-双烯共聚物的平均分子量为(2-9)×105;所述乙丙共聚物的平均分子量为(0.5-9.5)×105。
在本发明的一些实施方式中,优选地,所述抗泡剂选自甲基硅油和/或复合抗泡剂;其中,所述复合抗泡剂选自2#复合抗泡剂和/或3#复合抗泡剂。
根据本发明,优选地,所述调和内燃机油满足:运动粘度(100℃)为5-20mm2/s,粘度指数>180,倾点<-25℃,机械杂质含量<0.005wt%,水分含量<0.03wt%,高温高剪切粘度>2mPa·s,低温动力粘度>3500mPa·s;其中,所述运动粘度(100℃)通过GB/T 265测得,所述粘度指数通过GB/T 2541测得,所述倾点通过GB/T 3535测得,所述机械杂质含量通过GB/T 511测得,所述水分含量通过GB/T 260测得,所述高温高剪切粘度通过SH/T 0618测得,所述低温动力粘度通过GB/T 6538测得。
本发明第二方面提供一种调和内燃机油的制备方法,该方法包括:将III+类CTL基础油、功能复合剂和非功能添加剂进行混合,得到调和内燃机油;
其中,所述III+类CTL基础油、功能复合剂和非功能添加剂的重量比为70-94:5-20:1-10。
在本发明中,所述III+类CTL基础油、功能复合剂和非功能添加剂均依照上述的限定,本发明对此不作赘述。
在本发明中,所述混合是指将III+类CTL基础油、功能复合剂和非功能添加剂混合均匀即可。优选地,所述混合包括:将所述III+类CTL基础油先与非功能添加剂进行第一混合,再与功能复合剂进行第二混合。
根据本发明,优选地,所述混合的条件包括:温度为40-80℃,优选为55-70℃,时间为0.1-5h,优选为0.5-2h。
在本发明中,所述第一混合和第二混合的条件包括:所述第一混合的温度和第二混合的温度各自独立地为40-80℃,优选为55-70℃;所述第一混合的时间和第二混合的时间之和为0.5-10h,优选为1-5h,其中,对第一混合的时间和第二混合的时间不做限定
本发明的一种优选实施方式,在40-80℃下,将所述III+类CTL基础油与粘度改进剂混合后,再加入抗泡剂,最后加入功能复合剂进行混合,得到调和内燃机油。
根据本发明,优选地,该方法还包括:将所得的产物冷却至室温,得到调和内燃机油。
本发明第三方面提供一种第二方面提供的方法制得的调和内燃机油。
本发明第四方面提供一种第一方面和/或第三方面提供的调和内燃机油在汽油机油、柴油机油、汽柴油机通用机油、船用柴油机油和铁路内燃机车柴油机油中的应用。
在本发明中,优选地,所述汽油机油、柴油机油、汽柴油机通用机油的粘度等级各自独立地选自0W20、0W30、5W30和5W40中的至少一种;依照汽、柴油及铁路内燃机车柴油机油标准,所述汽油机油为API SM及以上规格,柴油机油为API CI-4及以上规格;铁路内燃机车柴油机油选自多级四代油和/或多级五代油。
以下将通过实施例对本发明进行详细描述。
III+类CTL基础油的制备:由煤间接液化所得的费托重油(烷烃含量为90wt%,碳原子数为20)经过加氢异构脱蜡处理得到,其中,所述加氢异构脱蜡处理的条件包括:温度为350℃,压力为5MPa,体积空速0.8h-1,氢油体积比600:1。
CTL3基础油的参数满足:运动粘度(100℃)为3mm2/s,饱和烃含量>99wt%,粘度指数为>120,氧化安定性>300min,Noack蒸发损失含量为30wt%,酸值<0.03mg·KOH/g,硫含量<5ppm,开口闪点>190℃,倾点<-35℃。
CTL6基础油的参数满足:运动粘度(100℃)为6mm2/s,饱和烃含量>99wt%,粘度指数为>130,氧化安定性为>320min,Noack蒸发损失含量为<8wt%,酸值为<0.03mg·KOH/g,硫含量<5ppm,开口闪点>230℃,倾点<-30℃。
CTL8基础油的参数满足:运动粘度(100℃)为8mm2/s,饱和烃含量>99wt%,粘度指数为>140,氧化安定性>320min,Noack蒸发损失含量<4wt%,酸值<0.03mg·KOH/g,硫含量<5ppm,开口闪点>240℃,倾点<-25℃。
CTL12基础油的参数满足:运动粘度(100℃)为12mm2/s,饱和烃含量>99wt%,粘度指数为>145,氧化安定性>320min,Noack蒸发损失含量为<2wt%,酸值<0.03mg·KOH/g,硫含量<5ppm,开口闪点>260℃,倾点<-20℃。
所述调和内燃机油中,运动粘度(100℃)通过GB/T 265测得;粘度指数通过GB/T2541测得,倾点通过GB/T 3535测得,水分通过GB/T 260测得,机械杂质通过GB/T 511测得,高温高剪切粘度通过SH/T 0618测得,低温动力粘度通过GB/T 6538测得。
乙丙共聚物的平均分子量为1.1×105;氢化苯乙烯-双烯共聚物的平均分子量为5×105;聚甲基丙烯酸酯的平均分子量为1.5×105。
实施例1-9和对比例1-3得到内燃机油S1-S9和D1-D3的性能参数均列于表1。
实施例1
一种0W20汽油机油,包含:CTL3基础油85.999重量份,功能复合剂12重量份(石油磺酸钙5重量份、硼化无灰分散剂3重量份、二烷基二硫代氨基甲酸酯0.9重量份、仲烷基ZDDP 0.6重量份、二烷基二苯胺0.5重量份、月桂酸2重量份),非功能添加剂2.001重量份(乙丙共聚物2重量份、甲基硅油0.001重量份)。
制备:在60℃温度下,将85.999重量份CTL3基础油与2重量份乙丙共聚物搅拌20min,再加入0.001重量份甲基硅油搅拌10min,最后加入5重量份石油磺酸钙、3重量份硼化无灰分散剂、0.6重量份仲烷基ZDDP、0.9重量份二烷基二硫代氨基甲酸酯、0.5重量份二烷基二苯胺和2重量份月桂酸搅拌40min,冷却至室温,得到内燃机油S1。
实施例2
一种5W30汽油机油,包含:CTL6基础油84.6998重量份,功能复合剂11.3重量份(合成磺酸镁6重量份、丁二酸酯3重量份、短链伯烷基二烷基二硫代磷酸锌0.5重量份、2,6-二叔丁基对甲酚0.8重量份、十二胺1重量份),非功能添加剂4.0002重量份(聚甲基丙烯酸酯4重量份、甲基硅油0.0002重量份)。
制备:在55℃温度下,将84.6998重量份CTL6基础油与4重量份聚甲基丙烯酸酯搅拌30min,再加入0.0002重量份甲基硅油搅拌10min,最后加入6重量份合成磺酸镁、3重量份丁二酸酯、0.5重量份短链伯烷基二烷基二硫代磷酸锌、0.8重量份2,6-二叔丁基对甲酚和1重量份十二胺搅拌60min,冷却至室温,得到内燃机油S2。
实施例3
一种5W40柴油机油,包含:CTL12基础油86.9905重量份,功能复合剂11重量份(合成磺酸钙3重量份、丁二酸甲酯6重量份、二烷基二硫代氨基甲酸酯1重量份、二甲基二苯胺0.5重量份、正辛醇0.5重量份),非功能添加剂2.0005重量份(聚甲基丙烯酸酯2重量份、甲基硅油0.0005重量份)。
制备:在65℃温度下,将86.9905重量份CTL12基础油与2重量份聚甲基丙烯酸酯搅拌15min,再加入0.0005重量份甲基硅油搅拌5min,最后加入3重量份合成磺酸钙、6重量份丁二酸甲酯、1重量份二烷基二硫代氨基甲酸酯、0.5重量份二甲基二苯胺和0.5重量份正辛醇搅拌30min,冷却至室温,得到内燃机油S3。
实施例4
一种0W20柴油机油,包含:CTL3基础油87.47重量份,功能复合剂10.5重量份(烷基水杨酸钙2重量份、硼化聚异丁烯丁二酰亚胺5重量份、长链伯烷基二烷基二硫代磷酸锌0.5重量份、2,6-二叔丁基对甲酚1重量份、月桂酸2重量份),非功能添加剂2.03重量份(乙丙共聚物2重量份、2#复合抗泡剂0.03重量份)。
制备:在60℃温度下,将87.47重量份CTL3基础油与2重量份乙丙共聚物搅拌20min,再加入0.03重量份2#复合抗泡剂搅拌5min,最后加入2重量份烷基水杨酸钙、5重量份硼化聚异丁烯丁二酰亚胺、0.5重量份长链伯烷基ZDDP、1重量份2,6-二叔丁基对甲酚和2重量份月桂酸搅拌50min,冷却至室温,得到内燃机油S4。
实施例5
一种0W30汽油机油,包含:CTL3基础油28.5重量份,CTL6基础油60重量份,汽油机油功能复合剂(购自雅富顿公司,牌号为HiTECSN/GF-5的市售品)9重量份,非功能复合剂2.5重量份(聚甲基丙烯酸酯2.49重量份,甲基硅油0.01重量份)。
制备:在65℃温度下,将28.5重量份CTL3基础油、60重量份CTL6基础油与2.49重量份聚甲基丙烯酸酯搅拌10min,再加入0.01重量份甲基硅油搅拌5min,最后加入9重量份汽油机油复合剂搅拌搅拌30min,冷却至室温,得到内燃机油S5。
实施例6
一种船用内燃机油,包含:CTL8基础油82.1重量份,功能复合剂13.8重量份(硫化烷基酚钙3重量份、丁二酰亚胺7重量份、短链伯烷基二烷基二硫代磷酸锌1重量份、钼酸甲酯0.8重量份、正辛醇2重量份),非功能添加剂4.1重量份(聚甲基丙烯酸酯4重量份、3#复合抗泡剂0.1重量份)。
制备:在70℃温度下,将82.1重量份CTL8基础油与4重量份聚甲基丙烯酸酯搅拌10min,再加入0.1重量份3#复合抗泡剂搅拌5min,最后加入3重量份硫化烷基酚钙、7重量份丁二酰亚胺、0.1重量份短链伯烷基二烷基二硫代磷酸锌、0.8重量份钼酸甲酯和2重量份正辛醇搅拌25min,冷却至室温,得到内燃机油S6。
实施例7
一种铁路内燃机车柴油机油,包含:CTL12基础油85.195重量份,功能复合剂13.8重量份(烷基水杨酸钙4重量份、丁二酸酯7重量份、二烷基二苯胺0.8重量份、钼酸甲酯0.5重量份、二烷基二硫代磷酸氧钼1.5重量份),非功能添加剂1.005重量份(乙丙共聚物1重量份、甲基硅油0.005重量份)。
制备:在60℃温度下,将85.195重量份CTL12基础油与1重量份乙丙共聚物搅拌20min,再加入0.005重量份甲基硅油搅拌5min,最后一次加入4重量份烷基水杨酸钙、7重量份丁二酸酯、0.8重量份二烷基二苯胺、0.5重量份钼酸甲酯和1.5重量份二烷基二硫代磷酸氧钼搅拌90min,冷却至室温,得到内燃机油S7。
实施例8
按照实施例1的方法,不同的是,将12重量份功能复合剂(石油磺酸钙5重量份、硼化无灰分散剂3重量份、二烷基二硫代氨基甲酸酯0.9重量份、仲烷基ZDDP 0.6重量份、二烷基二苯胺0.5重量份、月桂酸2重量份)替换为功能复合剂12重量份(石油磺酸钙5重量份、硼化无灰分散剂3重量份、二烷基二硫代氨基甲酸酯2重量份、仲烷基二烷基二硫代磷酸锌1重量份、月桂酸1重量份),得到内燃机油S8。
实施例9
按照实施例1的方法,不同的是,2.001重量份非功能添加剂(乙丙共聚物2重量份、甲基硅油0.001重量份)替换为非功能添加剂2.001重量份(乙丙共聚物1.5重量份、甲基硅油0.501重量份),得到内燃机油S9。
对比例1
按照实施例1的方法,不同的是,将CTL3基础油替换为PAO4基础油,得到内燃机油D1。
对比例2
按照实施例1的方法,不同的是,将CTL3基础油、功能复合剂和非功能添加剂的重量比替换为95:4:1,即:CTL3基础油95重量份,功能复合剂4重量份(石油磺酸钙2重量份、硼化无灰分散剂1量份、仲烷基二烷基二硫代磷酸锌0.5重量份、2,6-二叔丁基对甲酚0.4重量份、月桂酸0.1重量份),非功能添加剂1重量份(乙丙共聚物0.9重量份、甲基硅油0.1重量份),得到内燃机油D2。
对比例3
按照实施例1的方法,不同的是,不加入非功能添加剂,得到内燃机油D3。
表1
续表1
通过表1的结果可以看出,采用本发明提供的方法制得的内燃机油具有优越的低温性能(倾点和低温动力粘度)、高温性能(高温高剪切粘度)及粘温性能(粘度指数);同时,本发明提供的内燃机油不需降凝剂,可达到润滑油的低温性能(倾点)指标。
相比对比例1,本发明采用III+类CTL基础油作为内燃机油的基础油,更有利于提高内燃机油粘温性能并降低生产成本。
以上详细描述了本发明的优选实施方式,但是,本发明并不限于此。在本发明的技术构思范围内,可以对本发明的技术方案进行多种简单变型,包括各个技术特征以任何其它的合适方式进行组合,这些简单变型和组合同样应当视为本发明所公开的内容,均属于本发明的保护范围。
Claims (10)
1.一种调和内燃机油,其特征在于,所述调和内燃机油包含以下组分:基础油70-94重量份,功能复合剂5-20重量份,非功能添加剂1-10重量份;
其中,所述基础油为III+类CTL基础油。
2.根据权利要求1所述的调和内燃机油,其中,所述III+类CTL基础油由煤间接液化所得的费托重油经过加氢异构脱蜡处理得到,其中,所述费托重油为稳定重质油和/或费托蜡;
优选地,所述费托重油中,烷烃含量≥85wt%,优选为85-90wt%,碳原子数≥20,优选为20-60。
3.根据权利要求1或2所述的调和内燃机油,其中,所述III+类CTL基础油的参数满足:运动粘度(100℃)为3-36mm2/s,饱和烃含量>99wt%,粘度指数>130,氧化安定性>300min,Noack蒸发损失含量<30wt%,酸值<0.03mg·KOH/g,硫含量<5ppm,开口闪点>200℃,倾点<-20℃。
4.根据权利要求1-3中任意一项所述的调和内燃机油,其中,所述功能复合剂包含清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂;
优选地,所述清净剂、分散剂、抗氧抗腐剂、抗氧剂和摩擦改进剂的重量比为2-8:2-9:0.5-3:0.5-2:0.5-3;
优选地,所述清净剂选自石油磺酸盐、合成磺酸盐、硫化烷基酚盐、环烷酸盐和烷基水杨酸盐中的至少一种;
优选地,所述分散剂选自丁二酰亚胺、丁二酸酯、无灰膦酸酯、硼化无灰分散剂和酚醛胺中的至少一种;
优选地,所述抗氧抗腐剂选自二烷基二硫代磷酸盐和/或二烷基二硫代氨基甲酸盐;
优选地,所述抗氧剂选自烷基化二苯胺、2,6-二叔丁基对甲酚、钼酸酯和有机铜盐中的至少一种;
优选地,所述摩擦改进剂选自脂肪酸、脂肪醇、脂肪胺和/或其衍生物和有机钼化合物中的至少一种。
5.根据权利要求1-4中任意一项所述的调和内燃机油,其中,所述非功能添加剂包含粘度改进剂和抗泡剂;
优选地,所述粘度改进剂和抗泡剂的重量比为1-10:0.0001-0.1;
优选地,所述粘度改进剂选自聚甲基丙烯酸酯、氢化苯乙烯-双烯共聚物和乙丙共聚物中的至少一种;
优选地,所述抗泡剂选自甲基硅油和/或复合抗泡剂。
6.根据权利要求1-5中任意一项所述的调和内燃机油,其中,所述调和内燃机油满足:运动粘度(100℃)为5-20mm2/s,粘度指数>180,倾点<-25℃,机械杂质含量<0.005wt%,水分含量<0.03wt%,高温高剪切粘度>2mPa·s,低温动力粘度>3500mPa·s。
7.一种调和内燃机油的制备方法,其特征在于,该方法包括:将III+类CTL基础油、功能复合剂和非功能添加剂进行混合,得到调和内燃机油;
其中,所述III+类CTL基础油、功能复合剂和非功能添加剂的重量比为70-94:5-20:1-10。
8.根据权利要求7所述的方法,其中,所述混合包括:将所述III+类CTL基础油先与非功能添加剂进行第一混合,再与功能复合剂进行第二混合;
优选地,所述混合的条件包括:温度为40-80℃,优选为55-70℃,时间为0.5-10h,优选为1-5h。
9.权利要求7或8所述的方法制得的调和内燃机油。
10.权利要求1-6和9中任意一项所述的调和内燃机油在汽油机油、柴油机油、汽柴油机通用机油、船用柴油机油和铁路内燃机车柴油机油中的应用。
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CN113416594A (zh) * | 2021-06-30 | 2021-09-21 | 中国石油化工股份有限公司 | 一种降低pm和pn值的发动机油组合物、发动机油及其制备方法 |
CN114507304A (zh) * | 2022-01-19 | 2022-05-17 | 国家能源集团宁夏煤业有限责任公司 | 分散剂、烯烃聚合催化剂浆液及其制备方法和应用 |
CN114507304B (zh) * | 2022-01-19 | 2023-11-24 | 国家能源集团宁夏煤业有限责任公司 | 分散剂、烯烃聚合催化剂浆液及其制备方法和应用 |
CN115074174A (zh) * | 2022-05-30 | 2022-09-20 | 中国石油化工股份有限公司 | 一种低黏度节能型发动机油组合物及其制备方法 |
CN116536095A (zh) * | 2023-04-17 | 2023-08-04 | 上海柯赛德斯加美石油集团有限公司 | 一种耐寒性能高且低温流动性好的润滑油及其制备方法 |
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