CN108048169A - 一种抗磨抗氧发动机润滑油 - Google Patents
一种抗磨抗氧发动机润滑油 Download PDFInfo
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Abstract
本发明涉及润滑油技术领域,公开了一种抗磨抗氧抗菌发动机润滑油。该润滑油由以下重量份数配比的原料制成:新戊基多元醇酯基础油60~70份、烷基二苯胺2~5份、2,6‑二叔丁基对甲酚1~3份、改性磷酸三二甲苯酯2~4份、改性六甲基二硅氧烷3~5份、乙烯基双硬酯酰胺3~6份、乙丙共聚物3~6份、石油磺酸钠1~2份、复合抗菌剂1~2份。本发明发动机润滑油具有较好的润滑性能、耐高温和抑菌性能。
Description
技术领域
本发明涉及润滑油技术领域,尤其是涉及一种抗磨抗氧抗菌的发动机润滑油。
背景技术
发动机润滑油能对发动机起到润滑减磨、辅助冷却降温、密封防漏、防锈防蚀、减震缓冲等作用,被誉为汽车的"血液"。发动机是汽车的心脏,发动机内有许多相互摩擦运动的金属表面,这些部件运动速度快、环境差,工作温度可达400℃至600℃。在这样恶劣的工况下面,只有合格的润滑油才可降低发动机零件的磨损,延长使用寿命。市场上的机油因其基础油不同可简分为矿物油、合成油和植物油。机油由基础油和添加剂两部分组成。基础油是润滑油的主要成分,决定着润滑油的基本性质,添加剂则可弥补和改善基础油性能方面的不足,赋予某些新的性能,是润滑油的重要组成部分。由于发动机在工作过程中产生温度较高,润滑剂的消泡剂和抗磨剂在长时间处在高温的环境中容易分解,造成润滑油各方面的性能降低,发动机容易损坏。
中国专利公开号CN105567390公开了一种高效清洁发动机润滑油,该润滑由以下成分组成:基础油、增溶剂、功能复合剂、消泡剂、粘度指数改进型剂、降凝剂。该发明采用增溶剂烷基萘,利用其较好的抗氧化性能,减少发动机润滑油因氧化产生的胶质、沥青质等物质,延长发动机的使用寿命,但是其添加剂不耐高温,导致添加剂赋予基油的性能大大降低。
发明内容
本发明是为了克服现有技术耐磨剂和消泡剂耐高温性能不佳的问题,提供一种耐高温的发动机润滑油。
为了实现上述目的,本发明采用以下技术方案:一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油60~70份、烷基二苯胺2~5份、2,6-二叔丁基对甲酚1~3份、改性磷酸三二甲苯酯2~4份、改性六甲基二硅氧烷3~5份、乙烯基双硬酯酰胺3~6份、乙丙共聚物3~6份、石油磺酸钠1~2份、复合抗菌剂1~2份。
本发明使用新戊基多元醇酯为发动机的基础油,烷基二苯胺和2,6-二叔丁基对甲酚为良好的抗氧剂和耐高温特性,在高温条件下不易分解,作为本发明的抗氧剂,改性磷酸三二甲苯酯作为抗磨剂,改性过后不仅对其润滑性能有较高的提高,耐温性能也得到大幅提升;改性六甲基二硅氧烷为消泡剂,改性过后的消泡剂具有耐高温特性;乙烯基双硬酯酰胺作为分散剂,使组分中个中添加剂在基础油中分散均匀,提高其综合性能;乙丙共聚物作为粘度指数改进剂;石油磺酸钠作为防锈剂,防止发动机内部机械配件生锈;长时间放置的润滑油,容易滋生细菌,分解润滑油中的添加剂,使润滑油的性能降低,使用复合抗菌剂抑制细菌的滋生。
作为优选,所述改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将70~80g的羟丙基环糊精加入到40~50mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将5~10g磷酸三二甲苯酯加入到15~20mL的四氯化碳中,然后将其加入研磨液1中,研磨2~3h,然后置于低温环境中10~20h,得到研磨液2;
(3)将研磨液2用去离子洗涤后干燥10~15h,研碎,再使用丙酮反复清洗2~3次,在40~50℃的温度下干燥18~24h,研碎得到改性磷酸三二甲苯酯。
羟丙基环糊精与磷酸三二甲苯酯混合结晶后,羟丙基环糊精对磷酸三二甲苯酯进行包合,形成类似胶囊结构,在摩擦过程中,这种包合结构相较于磷酸三二甲苯酯具有更好的润滑作用,减少机械组件之间的摩擦,延长其使用寿命;羟丙基环糊精与磷酸三二甲苯酯混合结晶后,羟丙基环糊精对磷酸三二甲苯酯进行包合,形成类似胶囊结构,羟丙基环糊精在磷酸三二甲苯酯外部形成一层保护罩,提高磷酸三二甲苯酯的耐热性能;动机开启后部件之间会产生高温,羟丙基环糊精高温部分受热分解产生分子片段,分子量分布较宽,能够阻止其继续分解,其它类型的的环糊精由于分子量较羟丙基环糊精低,达不到较宽的分子量分布,导致环糊精容易受热分解,破坏两者之间的包合结构,对磷酸三二甲苯酯形不成保护和润滑性能也大大降低。
作为优选,所述步骤(2)中低温环境温度控制在-10~-5℃。
作为优选,所述步骤(3)中去离子水洗涤后的干燥温度控制在45~50℃。
作为优选,所述改性六甲基二硅氧烷的制备方法为:将3~6g六甲基二硅氧烷加入和80~100mL乙醚加入到四口烧瓶中,然后加入5~8g四乙二醇单十二烷基醚和0.02~0.04mol三甲基磺酸,加热至80~90℃,搅拌反应2~4h,然后冷却至40~50℃,得到改性六甲基二硅氧烷。
六甲基二硅氧烷具有较强的消泡效果,无毒无污染,是一种环保型消泡添加剂,但是其具有耐高温性能,使用四乙二醇单十二烷基醚对六甲基二硅氧烷进接枝行改性,由于四乙二醇单十二烷基具有较好的耐高温性能,所以改性过后的六甲基二硅氧烷具有耐高温性能,另外,改性过后的六甲基二硅氧烷接枝后,生成的物质具有一定润滑作用,进一步增强润滑油的润滑性能。
作为优选,所述反应搅拌速度控制在150~180r/min。
作为优选,所述复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2~3:1~2。
采用聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐这几种物质作为杀菌剂,配比在1:2~3:1~2时,具有较强的杀菌协同作用。
因此,本发明具有如下有益效果:(1)本发明润滑剂具有较好的润滑效果;(2)润滑剂具有耐高温特性,在高温下各种性能保持稳定;(3)具有抑菌效果。
具体实施方式
下面通过具体实施例,对本发明的技术方案做进一步说明。
本发明中,若非特指,所采用的原料和设备等均可从市场购得或是本领域常用的,实施例中的方法,如无特别说明,均为本领域的常规方法。
实施例1
一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油60份、烷基二苯胺2份、2,6-二叔丁基对甲酚1份、改性磷酸三二甲苯酯2份、改性六甲基二硅氧烷3份、乙烯基双硬酯酰胺3份、乙丙共聚物3份、石油磺酸钠1份、复合抗菌剂1份。
其中,改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将70g的羟丙基环糊精加入到40mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将5g磷酸三二甲苯酯加入到15mL的四氯化碳中,然后将其加入研磨液1中,研磨2h,然后置于低温环境-10℃条件下10h,得到研磨液2;
(3)将研磨液2用去离子洗涤后在45℃条件下干燥10h,研碎,再使用丙酮反复清洗2次,在40℃的温度下干燥18h,研碎得到改性磷酸三二甲苯酯。
其中,改性六甲基二硅氧烷的制备方法为:将3g六甲基二硅氧烷加入和80mL乙醚加入到四口烧瓶中,然后加入5g四乙二醇单十二烷基醚和0.02mol三甲基磺酸,加热至80℃,搅拌反应2h,搅拌速度控制在150r/min,然后冷却至40℃,得到改性六甲基二硅氧烷。
其中,复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2:1。
实施例2
一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油62份、烷基二苯胺3份、2,6-二叔丁基对甲酚1.5份、改性磷酸三二甲苯酯2.5份、改性六甲基二硅氧烷3.5份、乙烯基双硬酯酰胺4份、乙丙共聚物4份、石油磺酸钠1份、复合抗菌剂1份。
其中,改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将73g的羟丙基环糊精加入到42mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将5g磷酸三二甲苯酯加入到16mL的四氯化碳中,然后将其加入研磨液1中,研磨2.2h,然后置于低温环境-8℃条件下12h,得到研磨液2;
(3)将研磨液2用去离子洗涤后在46℃条件下干燥12h,研碎,再使用丙酮反复清洗2次,在42℃的温度下干燥19h,研碎得到改性磷酸三二甲苯酯。
其中,改性六甲基二硅氧烷的制备方法为:将4g六甲基二硅氧烷加入和85mL乙醚加入到四口烧瓶中,然后加入6g四乙二醇单十二烷基醚和0.02mol三甲基磺酸,加热至82℃,搅拌反应2.5h,搅拌速度控制在160r/min,然后冷却至43℃,得到改性六甲基二硅氧烷。
其中,复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2.2:1.3。
实施例3
一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油65份、烷基二苯胺3.5份、2,6-二叔丁基对甲酚2份、改性磷酸三二甲苯酯3份、改性六甲基二硅氧烷4份、乙烯基双硬酯酰胺4.5份、乙丙共聚物4.5份、石油磺酸钠1.5份、复合抗菌剂1.5份。
其中,改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将75g的羟丙基环糊精加入到46mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将8g磷酸三二甲苯酯加入到17mL的四氯化碳中,然后将其加入研磨液1中,研磨2.5h,然后置于低温环境-7℃条件下15h,得到研磨液2;
(3)将研磨液2用去离子洗涤后在47℃条件下干燥13h,研碎,再使用丙酮反复清洗2次,在45℃的温度下干燥20h,研碎得到改性磷酸三二甲苯酯。
其中,改性六甲基二硅氧烷的制备方法为:将4.5g六甲基二硅氧烷加入和90mL乙醚加入到四口烧瓶中,然后加入6.5g四乙二醇单十二烷基醚和0.03mol三甲基磺酸,加热至85℃,搅拌反应3h,搅拌速度控制在165r/min,然后冷却至45℃,得到改性六甲基二硅氧烷。
其中,复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2.5:1.5。
实施例4
一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油68份、烷基二苯胺4份、2,6-二叔丁基对甲酚2.5份、改性磷酸三二甲苯酯3.5份、改性六甲基二硅氧烷4.5份、乙烯基双硬酯酰胺5份、乙丙共聚物5份、石油磺酸钠2份、复合抗菌剂2份。
其中,改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将77g的羟丙基环糊精加入到48mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将10g磷酸三二甲苯酯加入到18mL的四氯化碳中,然后将其加入研磨液1中,研磨2.8h,然后置于低温环境-6℃条件下18h,得到研磨液2;
(3)将研磨液2用去离子洗涤后在48℃条件下干燥14h,研碎,再使用丙酮反复清洗3次,在47℃的温度下干燥22h,研碎得到改性磷酸三二甲苯酯。
其中,改性六甲基二硅氧烷的制备方法为:将5g六甲基二硅氧烷加入和95mL乙醚加入到四口烧瓶中,然后加入7g四乙二醇单十二烷基醚和0.04mol三甲基磺酸,加热至88℃,搅拌反应3.5h,搅拌速度控制在170r/min,然后冷却至47℃,得到改性六甲基二硅氧烷。
其中,复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2.8:1.7。
实施例5
一种抗磨抗氧发动机润滑油,由以下重量份数配比的原料制成:新戊基多元醇酯基础油70份、烷基二苯胺5份、2,6-二叔丁基对甲酚3份、改性磷酸三二甲苯酯4份、改性六甲基二硅氧烷5份、乙烯基双硬酯酰胺6份、乙丙共聚物6份、石油磺酸钠2份、复合抗菌剂2份。
其中,改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将80g的羟丙基环糊精加入到50mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将10g磷酸三二甲苯酯加入到20mL的四氯化碳中,然后将其加入研磨液1中,研磨3h,然后置于低温环境-5℃条件下20h,得到研磨液2;
(3)将研磨液2用去离子洗涤后在50℃条件下干燥15h,研碎,再使用丙酮反复清洗3次,在50℃的温度下干燥24h,研碎得到改性磷酸三二甲苯酯。
其中,改性六甲基二硅氧烷的制备方法为:将6g六甲基二硅氧烷加入和100mL乙醚加入到四口烧瓶中,然后加入8g四乙二醇单十二烷基醚和0.04mol三甲基磺酸,加热至90℃,搅拌反应4h,搅拌速度控制在180r/min,然后冷却至50℃,得到改性六甲基二硅氧烷。
其中,复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:3:2。
测试:
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。
Claims (7)
1.一种抗磨抗氧发动机润滑油,其特征在于,由以下重量份数配比的原料制成:新戊基多元醇酯基础油60~70份、烷基二苯胺2~5份、2,6-二叔丁基对甲酚1~3份、改性磷酸三二甲苯酯2~4份、 改性六甲基二硅氧烷3~5份、乙烯基双硬酯酰胺3~6份、乙丙共聚物3~6份、石油磺酸钠1~2份、复合抗菌剂1~2份。
2.根据权利要求1所述的一种抗磨抗氧发动机润滑油,其特征在于,所述改性磷酸三二甲苯酯的制备方法包括以下步骤:
(1)将70~80g的羟丙基环糊精加入到40~50mL的去离子水中研磨均匀成糊状,得到研磨液1;
(2)将5~10g磷酸三二甲苯酯加入到15~20mL的四氯化碳中,然后将其加入研磨液1中,研磨2~3h,然后置于低温环境中10~20h,得到研磨液2;
(3)将研磨液2用去离子洗涤后干燥10~15h,研碎,再使用丙酮反复清洗2~3次,在40~50℃的温度下干燥18~24h,研碎得到改性磷酸三二甲苯酯。
3.根据权利要求2所述的一种抗磨抗氧发动机润滑油,其特征在于,所述步骤(2)中低温环境温度控制在-5~-10℃。
4.根据权利要求2所述的一种抗磨抗氧发动机润滑油,其特征在于,所述步骤(3)中去离子水洗涤后的干燥温度控制在45~50℃。
5.根据权利要求1~4任一权利要求所述的一种抗磨抗氧发动机润滑油,其特征在于,所述改性六甲基二硅氧烷的制备方法为:将3~6g六甲基二硅氧烷加入和80~100mL乙醚加入到四口烧瓶中,然后加入5~8g四乙二醇单十二烷基醚和0.02~0.04mol三甲基磺酸,加热至80~90℃,搅拌反应2~4h,然后冷却至40~50℃,得到改性六甲基二硅氧烷。
6.根据权利要求5所述的一种抗磨抗氧发动机润滑油,其特征在于,所述反应搅拌速度控制在150~180r/min。
7.根据权利要求1~4任一权利要求所述的一种抗磨抗氧发动机润滑油,其特征在于,所述复合抗菌剂由聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐混合而成,所述聚六亚甲基胍磷酸盐、聚六甲基硬酯酸盐和聚三丁基苯乙烯基季磷盐的混合质量比为1:2~3:1~2。
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