CN114989881A - 一种混动汽车专用发动机润滑油及其制备方法 - Google Patents
一种混动汽车专用发动机润滑油及其制备方法 Download PDFInfo
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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
- 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
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Abstract
本发明公开一种混动汽车专用发动机润滑油及其制备方法，其制备方法包括如下步骤：将三类基础油、合成酯基础油、汽机油复合剂、粘指剂、乳化剂、降凝剂和有机减摩剂按重量份混合均匀，得到混合物；将混合物加热至50～60℃、搅拌30～40min，过滤，得到混动汽车专用发动机润滑油。本发明制备的混动汽车专用发动机润滑油兼具优异的泵送性、抗磨性及对微量水分的乳化分散性，适用于因混动汽车发动机频繁启停而造成发动机油温度偏低的特殊工况，完全能满足混动汽车发动机的使用要求，避免发动机冷启动异常磨损及产生白油泥问题，能对发动机发挥良好的润滑防护作用，延长其使用寿命。
Description
技术领域
本发明涉及润滑油领域，尤其涉及一种混动汽车专用发动机润滑油及其制备方法。
背景技术
近年来，世界各国对环保排放的要求越来越高。燃油汽车作为重要的碳排放来源之一，逐渐被限制使用，而纯电动汽车、氢燃料电池汽车和混动汽车逐渐发展起来。混动汽车既能纯电行驶，也能在有需要的情况下启用发动机行驶，避免了里程焦虑，更加安全可靠，也能有效降低排放，满足环保法规的要求。因此，混动汽车在近年来取得了长足的发展，各大车厂纷纷推出自己的混动车型，混动汽车保有量快速增长，其对润滑油液的需求量也快速增长，其中发动机润滑油尤为重要，具有良好的市场前景。
混动汽车的发动机运行工况与传统燃油车存在较大差异，故而对发动机润滑油的要求与传统燃料车也有所不同。主要表现在以下两个方面：一是油电频繁切换导致发动机频繁启停，更容易造成冷启动磨损，需要发动机润滑油具备更好的泵送性能，在启动时能被更快速的泵送至各个润滑点发挥润滑作用，并且具备更好的抗磨性能，在冷车条件下也能在摩擦副表面形成抗磨保护膜；二是频繁启停也会导致发动机油温度偏低，发动机油中混入的水分难以及时排出，日积月累沉积至油底壳底部，导致发动机润滑油中的添加剂水解失效，产生白油泥问题，需要发动机润滑油对微量水分具有一定的乳化分散功能，能更快速的排出水分，避免水分聚集进而导致添加剂水解和白油泥问题，而这是普通燃油汽车发动机油所不具备的性能。
针对混动汽车发动机的特殊工况，亟需开发一款专用的发动机润滑油，以满足其对润滑油泵送性、抗磨性的高要求，并解决添加剂水解和白油泥问题。
发明内容
基于此，本发明提供一种混动汽车专用发动机润滑油及其制备方法，本发明制得混动汽车专用发动机润滑油具有优异的泵送性、抗磨性和对微量水分的乳化分散性。
本发明的目的通过以下技术方案实现：
一种混动汽车专用发动机润滑油，其按重量份包括如下原料：
进一步地，所述混动汽车专用发动机润滑油按重量份包括如下原料：
进一步地，所述三类基础油为石蜡基三类基础油、天然气合成油、煤制合成油中的一种或几种。
进一步地，所述合成酯基础油为单酯合成酯类油、双酯合成酯类油、饱和多元醇酯合成酯类油中的一种或几种。
进一步地，所述汽机油复合剂为Lubrizol CV2501、Lubrizol CV9510、 InfineumP6800、Infineum P5005、OLOA 54530、OLOA 54720、HITEC 11500、 HITEC 11410中的一种或几种。
进一步地，所述粘指剂为HSD型粘指剂、PMA型粘指剂中的一种或两种。
进一步地，所述乳化剂为失水山梨醇油酸酯、油酸二乙醇酰胺、脂肪醇聚氧丙烯/乙烯基醚、油酸三乙醇胺酯中的一种或几种。
进一步地，所述降凝剂为PMA型降凝剂。
进一步地，所述有机减摩剂为聚合酯类减摩剂、有机钼类减摩剂、脂肪酸类减摩剂中的一种或几种。
上述混动汽车专用发动机润滑油的制备方法，包括如下步骤：将三类基础油、合成酯基础油、汽机油复合剂、粘指剂、乳化剂、降凝剂和有机减摩剂按重量份混合均匀，得到混合物；将混合物加热至50～60℃、搅拌30～40min，过滤，得到混动汽车专用发动机润滑油。
本发明的有益效果是：
1、本发明制备的混动汽车专用发动机润滑油兼具优异的泵送性、抗磨性及对微量水分的乳化分散性，适用于因混动汽车发动机频繁启停而造成发动机油温度偏低的特殊工况，完全能满足混动汽车发动机的使用要求，避免发动机冷启动异常磨损及产生白油泥问题，能对发动机发挥良好的润滑防护作用，延长其使用寿命。
2、使用低温性能极佳的天然气合成油或煤制合成油，搭配低温性能优异的 HSD型和/或PMA型粘指剂，使成品油具有极佳的低温泵送性能，在发动机启动时能被快速泵送至各个润滑点，发挥润滑作用。
3、添加有机减摩剂和合成酯基础油，这些物质具有较强的极性，能牢固吸附在摩擦副表面，形成一层保护膜，避免在冷启动瞬间干摩擦，减少异常磨损，此外也能降低摩擦系数，提高燃油经济性。
4、添加适量亲油性乳化剂，能将混入发动机润滑油中的微量水分均匀的乳化分散在油中，及时挥发排出，避免水分聚集沉底导致添加剂水解及产生白油泥。
具体实施方式
为了进一步理解本发明，下面结合实施例对本发明优选实施方案进行描述，但是应当理解，这些描述只是为进一步说明本发明的特征和优点，而不是对本发明权利要求的限制。
本发明所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。
以下实施例，如未特殊说明，份数均为重量份。
实施例1
将72.8份石蜡基三类基础油、5份单酯酯类合成油、14.2份Lubrizol PV9510、4.5份HSD型粘指剂、2份失水山梨醇油酸酯、0.3份PMA型降凝剂、 1.2份聚合酯类减摩剂混合均匀，得到混合物；将混合物加热至50℃，搅拌30min，过滤，得到混动汽车专用发动机润滑油。
实施例2
将70份天然气合成油、7份双酯酯类合成油、13份OLOA 54530、7.5份PMA 型粘指剂、2份油酸二乙醇酰胺、0.3份PMA型降凝剂、0.2份有机钼类减摩剂混合均匀，得到混合物；将混合物加热至55℃，搅拌35min，过滤，得到混动汽车专用发动机润滑油。
实施例3
将73.3份煤制合成油、8份饱和多元醇酯合成酯类油、10.6份HITEC 11410、2.5份HSD型粘指剂、2.5份PMA型粘指剂、2份脂肪醇聚氧丙烯/乙烯基醚、 0.3份PMA型降凝剂、0.8份聚合酯类减摩剂、0.3份脂肪酸类减摩剂混合均匀，得到混合物；将混合物加热至60℃，搅拌40min，过滤，得到混动汽车专用发动机润滑油。
对比例
将83.1份石蜡基三类基础油、10.6份HITEC 11410、6份OCP型粘指剂、0.3 份PMA型降凝剂混合均匀，得到混合物；将混合物加热至60℃，搅拌40min，过滤，得到普通汽油发动机润滑油。
实施例1～3制备的混动汽车专用发动机润滑油及对比例制备的普通汽油发动机润滑油的配方见表1。
表1
实施例1～3制备的混动汽车专用发动机润滑油及对比例制备的普通汽油发动机润滑油的测试数据见表2。
表2
如表2所示，与对比例相比，实施例1～3的混动汽车专用发动机润滑油具有以下优势：低温泵送粘度均达到20000mPa·s以下的优异水平(相应标准要求60000以下即可)，说明其具有极佳的低温泵送性能，发动机启动时能被快速泵送至各个润滑点，发挥润滑作用；四球摩擦系数低、磨斑直径小，说明具有优良的减摩抗磨性能，对发动机部件具有良好的抗磨保护作用，尤其是有机减摩剂和合成酯基础油与摩擦副表面形成牢固的吸附膜，能有效避免冷启动时发生干摩擦导致异常磨损，粘度指数高、摩擦系数低，在燃油经济性方面也更有优势，能有效节省燃油；在微量水分存在的情况下，能将水分充分乳化分散在油中并保持稳定，说明其对微量水具有良好的乳化分散功能，有利于水分的及时排出，避免水分聚集沉底，导致添加剂水解和产生白油泥问题。
以上说明，本发明制备的混动汽车专用发动机润滑油兼具优异的泵送性、抗磨性及对微量水分的乳化分散性，适用于混动汽车发动机频繁启停、发动机油温度偏低的特殊工况，完全能满足混动汽车发动机的使用要求，避免发动机冷启动异常磨损及产生白油泥问题，能对发动机发挥良好的润滑防护作用，延长其使用寿命。此外在燃油经济性方面也有一定的优势，能有效节省燃油。
根据上述说明书的揭示，本发明所属领域的技术人员还可以对上述实施方式进行适当的变更和修改。因此，本发明并不局限于上面揭示和描述的具体实施方式，对本发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本发明构成任何限制。
Claims (10)
1.一种混动汽车专用发动机润滑油，其特征在于：其按重量份包括如下原料：
2.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：其按重量份包括如下原料：
3.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述三类基础油为石蜡基三类基础油、天然气合成油、煤制合成油中的一种或几种。
4.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述合成酯基础油为单酯合成酯类油、双酯合成酯类油、饱和多元醇酯合成酯类油中的一种或几种。
5.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述汽机油复合剂为Lubrizol CV9510、OLOA 54530、HITEC 11410中的一种或几种。
6.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述粘指剂为HSD型粘指剂、PMA型粘指剂中的一种或两种。
7.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述乳化剂为失水山梨醇油酸酯、油酸二乙醇酰胺、脂肪醇聚氧丙烯/乙烯基醚、油酸三乙醇胺酯中的一种或几种。
8.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述降凝剂为PMA型降凝剂。
9.根据权利要求1所述的混动汽车专用发动机润滑油，其特征在于：所述有机减摩剂为聚合酯类减摩剂、有机钼类减摩剂、脂肪酸类减摩剂中的一种或几种。
10.一种根据权利要求1至9任意一项所述的混动汽车专用发动机润滑油的制备方法，其特征在于：包括如下步骤：
将三类基础油、合成酯基础油、汽机油复合剂、粘指剂、乳化剂、降凝剂和有机减摩剂按重量份混合均匀，得到混合物；将混合物加热至50～60℃、搅拌30～40min，过滤，得到混动汽车专用发动机润滑油。
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| CN116590076A (zh) * | 2023-05-17 | 2023-08-15 | 东风嘉实多油品有限公司 | 一种轻负荷柴油发动机润滑油组合物 |
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| CN116622431A (zh) * | 2023-05-16 | 2023-08-22 | 金丰宏润科技(广东)有限公司 | 一种插电混合动力车专用润滑油 |
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