CN111423917A - 一种新型润滑油的制备方法 - Google Patents
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Abstract
本发明公开了一种新型润滑油的制备方法,属于润滑油制备领域,所述制备方法包括如下步骤:将抗磨剂ZDDP和IF‑WS2纳米粒子放入超声浴混合后加入到PAO基础油中,同时加入分散剂Span‑80搅拌均匀,完成润滑油制备。本发明是通过添加抗磨剂ZDDP和IF‑WS2纳米颗粒加入到PAO基础油中,制备一种新型的润滑油,同时加入的两种物质具有协同作用,不仅改善抗磨性能,同时降低润滑油摩擦系数,且负磨损。提供的加入双效作用的复合添加剂制备合成的这种新型润滑油具有多效‑自修复、超润滑、超长使用寿命等特点。
Description
技术领域
本发明涉及润滑油制备领域,尤其涉及一种新型润滑油的制备方法。
背景技术
在汽车工业中,三分之一的燃料能量被用于克服发动机中的摩擦,所以摩擦学的研究主要集中在低摩擦材料和更高效润滑油的开发上。近年来,纳米技术的出现及其发展使得人们合成各种新型纳米材料,这些材料已经被广泛应用于润滑剂的宏观领域,如石墨等层状材料,已经在固体润滑中使用了1000年,另一方面,碳基纳米颗粒和纳米管以及Cu、ZnO、TiO2等纳米化合物的研究也在近几十年来得到了深入的研究。同时,由于金属二硫化物纳米材料如MoS2和WS2的层状结构,使其备受欢迎。
自90年代合成无机富勒烯类纳米粒子和金属二硫化合物材料的纳米管以来,它们作为液体润滑剂的添加剂已被广泛研究。实际上,与基础油相比,在边界润滑状态下,使用纳米颗粒已证明能够将摩擦系数降低至60%,并且还发现它们具有出色的抗磨损性能。此外,与目前润滑剂行业中使用的添加剂相比,这些纳米粒子即使在室温下也能够减少摩擦和磨损。
迄今为止,虽然对纳米颗粒摩擦学性能的研究已经做了很多,但对完全配方润滑剂中纳米颗粒性能的研究却很少。现有的润滑油的摩擦系数都比较高,同时抗磨性能也不好的情况。
发明内容
本发明的目的在于提供一种新型润滑油的制备方法,解决现有润滑油中摩擦系数都比较高,同时抗磨性能也不好的技术问题。该专利中加入ZDDP和IF-WS2纳米颗粒作为复合添加剂制备合成的一种新型润滑油,不仅降低了自身的摩擦系数,抗磨性能也有所改善。
一种新型润滑油的制备方法,所述制备方法包括如下步骤:
将抗磨剂ZDDP和IF-WS2纳米粒子放入超声浴混合后加入到PAO基础油中,同时加入分散剂Span-80搅拌均匀,完成润滑油制备。
进一步地,所述PAO基础油的运动粘度为5.9mm2/s。
进一步地,所述抗磨剂ZDDP和IF-WS2纳米粒子在超声浴中的温度为100-180℃。
进一步地,所述抗磨剂ZDDP和IF-WS2纳米粒子的质量分数均为0.5wt%。
进一步地,所述润滑油制备方法中还包括摩擦试验,摩擦试验的具体过程为:
设置四组对比实验,第一组:使用PAO基础油作为润滑油,不添加添加剂,第二组:在PAO基础油中添加0.5wt%WS2纳米粒子,同时加入分散剂Span-80搅拌均匀,第三组:在PAO基础油中添加0.5wt%的抗磨添加剂ZDDP,同时加入分散剂Span-80搅拌均匀,第四组:在PAO基础油中添加0.5wt%的二级ZDDP抗磨添加剂和0.5wt%的WS2纳米粒子,同时加入分散剂Span-80,搅拌均匀;
将这四组实验数据放入实验测试仪器是由AISI 52100钢制成的触点对,硬化为PCS生产的800HV仪器进行实验,平坦粗糙度Ra=35nm,使用的球的直径为6mm;
实验过程为在温度为100℃的环境下,RH 35-45%,平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,重复实验5-10次,得出实验数据对比结果。
本发明采用了上述技术方案,本发明具有以下技术效果:
(1)本发明是通过添加抗磨剂ZDDP和IF-WS2纳米颗粒加入到PAO基础油中,制备一种新型的润滑油,同时加入的两种物质具有协同作用,不仅改善抗磨性能,同时降低润滑油摩擦系数,且负磨损。
(2)本发明提供的加入双效作用的复合添加剂制备合成的这种新型润滑油具有多效-自修复、超润滑、超长使用寿命等特点。
附图说明
图1为IF-WS2的TEM图像。
图2为实验装置简图。
图3为实施例1-4的平均摩擦系数及其重现性条形图。
图4为实施例1-4的磨损系数计算数据图。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚明白,以下参照附图并举出优选实施例,对本发明进一步详细说明。然而,需要说明的是,说明书中列出的许多细节仅仅是为了使读者对本发明的一个或多个方面有一个透彻的理解,即便没有这些特定的细节也可以实现本发明的这些方面。
实施例1
如图1所示,根据本发明的一种新型润滑油的制备方法,包括如下步骤:
(1)用PAO基础油作为润滑油,不添加任何添加剂。
(2)在温度为100-180℃的环境下(RH35-45%),用摩擦实验机并设置参数为平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,然后进行测试,即可得到相关数据。
实施例2
(1)向PAO基础油中添加0.5wt%WS2纳米粒子,同时加入分散剂Span-80,长时间搅拌,作为润滑油。
(2)先将样品在超声波浴中混合后,在温度为100℃的环境下(RH35-45%),用摩擦实验机并设置参数为平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,然后进行测试,即可得到相关数据。
实施例3
(1)向PAO基础油中添加0.5wt%的抗磨添加剂ZDDP,同时加入分散剂Span-80,长时间搅拌,作为润滑油。
(2)先将样品在超声波浴中混合后,在温度为100℃的环境下(RH35-45%),用摩擦实验机并设置参数为平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,然后进行测试,即可得到相关数据。
实施例4
(1)向PAO基础油中添加0.5wt%二级ZDDP抗磨添加剂和0.5wt%WS2纳米粒子,同时加入分散剂Span-80,长时间搅拌,作为润滑油。
(2)先将样品在超声波浴中混合后,在温度为100℃的环境下(RH35-45%),用摩擦实验机并设置参数为平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,然后进行测试,即可得到相关数据。
各实施例的数据设置如下表。
表1
在边界润滑状态下,温度为100-180℃下,于PAO基础油中添加ZDDP抗磨添加剂,同时加入IF-WS2纳米粒子,加入分散剂Span-80长时间搅拌,制备成新型润滑油,通过摩擦测试,证明两种添加剂间的协同作用。本发明所述的具有双效作用的添加剂,可以使润滑油的摩擦系数降低70%,改善抗磨性能、负磨损,合成的新型润滑油具有多效-自修复、超润滑、超长使用寿命等的特点。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (5)
1.一种新型润滑油的制备方法,其特征在于,所述制备方法包括如下步骤:
将抗磨剂ZDDP和IF-WS2纳米粒子放入超声浴混合后加入到PAO基础油中,同时加入分散剂Span-80搅拌均匀,完成润滑油制备。
2.根据权利要求1所述的一种新型润滑油的制备方法,其特征在于:所述PAO基础油的运动粘度为5.9mm2/s。
3.根据权利要求1所述的一种新型润滑油的制备方法,其特征在于:所述抗磨剂ZDDP和IF-WS2纳米粒子在超声浴中的温度为100-180℃。
4.根据权利要求3所述的一种新型润滑油的制备方法,其特征在于:所述抗磨剂ZDDP和IF-WS2纳米粒子的质量分数均为0.5wt%。
5.根据权利要求1所述的一种新型润滑油的制备方法,其特征在于:所述润滑油制备方法中还包括摩擦试验,摩擦试验的具体过程为:
设置四组对比实验,第一组:使用PAO基础油作为润滑油,不添加添加剂,第二组:在PAO基础油中添加0.5wt%WS2纳米粒子,同时加入分散剂Span-80搅拌均匀,第三组:在PAO基础油中添加0.5wt%的抗磨添加剂ZDDP,同时加入分散剂Span-80搅拌均匀,第四组:在PAO基础油中添加0.5wt%的二级ZDDP抗磨添加剂和0.5wt%的WS2纳米粒子,同时加入分散剂Span-80,搅拌均匀;
将这四组实验数据放入实验测试仪器是由AISI 52100钢制成的触点对,硬化为PCS生产的800HV仪器进行实验,平坦粗糙度Ra=35nm,使用的球的直径为6mm;
实验过程为在温度为100℃的环境下,RH 35-45%,平均滑动速度为3mm/s,走向频率为0.5Hz,初始最大赫兹接触压力为1.12GPa,重复实验5-10次,得出实验数据对比结果。
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WO2015119716A1 (en) * | 2014-02-05 | 2015-08-13 | Nanomech, Inc. | Nano-tribology compositions and related methods including molecular nano-sheets |
CN106047443A (zh) * | 2016-05-26 | 2016-10-26 | 中国地质大学(北京) | 一种能提高钢件抗磨能力的含ws2纳米片的润滑油组合物的制备方法 |
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