CN107384542A - 一种高抗磨减震器油组合物 - Google Patents

一种高抗磨减震器油组合物 Download PDF

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CN107384542A
CN107384542A CN201710517320.8A CN201710517320A CN107384542A CN 107384542 A CN107384542 A CN 107384542A CN 201710517320 A CN201710517320 A CN 201710517320A CN 107384542 A CN107384542 A CN 107384542A
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CN107384542B (zh
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李永超
陈惠卿
焦玉萍
汤涛
桂砚楠
贾睿
杜雪岭
刘红
夏鹏
王向阳
龙茵
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China Petroleum and Chemical Corp
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Abstract

本发明提供了一种环保高抗磨减震器油的组合物,其包括如下重量百分含量的组分:纳米添加剂为0.4~6.2%,聚甲基丙烯酸型黏指剂为3~15%,硫化脂肪酸酯为0.6~2.8%,硫代氨基酸甲酸酯为0.15~1.5%,三羟甲基丙烷三油酸酯为0.01~1.3%,聚酯类降凝剂为0.05~1.0%,复合抗泡剂为0.0002~0.008%,聚α烯烃类基础油及合成酯类基础油为余量。本发明最突出的优点是环保以及非常优异的抗磨性能。本发明是适用于汽车、摩托车、轨道交通等领域。

Description

一种高抗磨减震器油组合物
技术领域
本发明涉及润滑剂领域,具体涉及一种环保的高抗磨减震器油的组合物,特别是具有环保和优异抗磨性能的减震器油组合物。
背景技术
减震器在工作过程中会必可避免的产生摩擦磨损,造成减震器油封橡胶材质和金属材质的损伤,造成漏油或元件更换。为了更好的保护减震器的关键部件,提减震器的使用寿命,需要对润滑产品的极压抗磨性能进行优化。油品添加剂在减震器工作过程中受到高温、高抗磨的作用,导致油品有效添加剂的损失或失效,为了弥补或补强化学极压抗磨添加剂损失造成的摩擦磨损,本发明向体系中加入了纳米固体润滑添加剂,从而减少滑动摩擦面间的摩擦和减少滑动摩擦面间的直接接触,从而降低油温,减少磨损,提高抗磨和载荷性。CN104194867A、CN104789299A等申请中均介绍了改性纳米颗粒的使方法和使用效果,但整体应用效果并不理想。
发明内容
本发明的目的在于提供一种环保的高抗磨减震器油,其在抗磨性方面得到了极大提高,延长了减震器的使用寿命。
为了实现本发明目的,本发明提供的减震器油组合物包括如下重量百分含量的组分:纳米添加剂为0.4~6.2%,聚甲基丙烯酸型黏指剂为3~15%,硫化脂肪酸酯为0.6~2.8%,硫代氨基酸甲酸酯为0.15~1.5%,三羟甲基丙烷三油酸酯为0.01~1.3%,聚酯类降凝剂为0.05~1.0%,复合抗泡剂为0.0002~0.008%,聚α烯烃类基础油及合成酯类基础油为余量。
本发明所述的减震器油组合物可生物降解,对环境友好。
其中,所述纳米添加剂由改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1~1:2混合得到。
优选地,所述纳米硼酸的直径为20~120nm,和/或,所述纳米氧化锌直径为20~80nm。
更优选地,所述纳米添加剂由以下步骤制备得到:
(1)将纳米硼酸按照1:15~25的质量比加入到PRIOLUBE3959中,超声40~60min,后在75~85℃的温度条件下,以300~800r/min的搅拌速度搅拌1~2小时,经过滤、干燥后得改性后的纳米硼酸;
(2)将纳米氧化锌在超声条件下按照质量比1:10~1:30的比例加入PAO2中,超声40~60min,后在70~80℃的温度下,以200~500r/min的搅拌速度搅拌1~2小时,搅拌过程中逐步滴加0.2%~1.8%的混合改性剂,改性结束后经过滤、干燥后得改性后的纳米氧化锌;
其中,所述混合改性剂为油酸和KH570按照质量比为1:2~4的混合物;
(3)将改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1~1:2混合,即得。
采用上述方法分别对纳米硼酸和纳米氧化锌进行改性后能够在基础油混合物中分散后更稳定,改善所述环保高抗磨减震器油组合物的抗磨性能。
优选地,所述混合改性剂为油酸和KH570按照质量比为1:3的混合物,此时具有更好的分散效果,油品储存后更加稳定。
作为理想的技术方案,本发明所述纳米添加剂的制备包括如下步骤:
(1)将纳米硼酸按照1:20的质量比加入到PRIOLUBE3959中,超声40~60min,后在80℃的温度条件下,以300~800r/min的搅拌速度搅拌1~2小时,经过滤、干燥后得改性后的纳米硼酸;
(2)将纳米氧化锌在超声条件下按照质量比1:15的比例加入PAO2中,超声40~60min,后在75℃的温度下,以200~500r/min的搅拌速度搅拌1~2小时,搅拌过程中逐步滴加0.2%~1.8%的混合改性剂,改性结束后经过滤、干燥后得改性后的纳米氧化锌;
所述混合改性剂为油酸和KH570按照质量比为1:3的混合物;
(3)改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1~1:2混合,即得。
本发明所述的减震油组合物,纳米添加剂的主要作用在于提高油品的抗磨性能,其在组合物中的理想加入量在0.4-6.2%。
本发明所述的减震油组合物,聚α烯烃类基础油和合成酯类基础油作为其中的主要基础油组成,主要作用在于形成更好的油膜,同时提高纳米材料的稳定分散,二者配合使用后具有更加优良的低温性能。其中,聚α烯烃类基础油优选为PAO2,合成酯类基础油优选为PRIOLUBE3959,优选PAO2和PRIOLUBE3959的用量比为7-9:1。
其中,PAO2和PRIOLUBE3959均为市售商品,分别可购自于美孚和和大公司。
本发明所述的减震器油组合物,聚甲基丙烯酸型黏指剂优选为Vx7-310,该黏指剂主要作用在于提高油品在高低温状态下油品黏度的保持能力,可购自于赢创公司,其在组合物中的理想加入量在3-15%。
本发明所述的减震油组合物,硫代氨基酸甲酸酯作为其中的抗磨剂,主要作用在于提高油品的极压抗磨性能,可购自于BASF公司,其在组合物中的理想加入量在0.15-1.5%。
本发明所述的减震油组合物,三羟甲基丙烷三油酸酯作为其中的摩擦改性剂,主要作用在于改善摩擦性能,可购自于BASF公司,其在组合物中的理想加入量在0.01-1.3%。
本发明所述的减震油组合物,聚酯类降凝剂优选为Vx7-148(赢创公司),其在组合物中的理想加入量在0.05-1.0%,主要作用在于改善油品的低温流动性能。
本发明所述的复合抗泡剂为甲基硅油抗泡剂,优选为T901,可购自于BASF公司,其在组合物中的理想加入量在0.0002-0.008%。
更具体而言,本发明所述组合物优选由以下重量百分含量的组分组成:纳米添加剂为0.4-6.2%,Vx7-310为3-15%,硫化脂肪酸酯为0.6-2.8%,硫代氨基酸甲酸酯为0.15-1.5%,三羟甲基丙烷三油酸酯为0.01-1.3%,Vx1-248为0.05-1.0%,复合抗泡剂为0.0002-0.008%,PAO2和PRIOLUBE3959为余量,PAO2和PRIOLUBE3959的用量比为7:1-9:1。
本发明所提供的环保高抗磨减震器油,与市售产品相比,具抗磨性能方面具有较大的优势,具体表现在四球机试验上具有更小的磨斑直径、在SRV表现出更小的摩擦系数。
具体实施例
以下实施例对本发明进一步说明,但不作为对本发明的限制,在不背离本发明精神和实质的情况下,对本发明方法、步骤或条件所作的修改或替换,均属于本发明的范围。
实施例1
本实施例提供了一种纳米添加剂的制备方法,具体如下:
(1)将纳米硼酸按照1:20的质量比加入到PRIOLUBE3959中,超声50min,后在80℃的温度条件下,以600r/min的搅拌速度搅拌2小时,经过滤后得改性后的纳米硼酸;
(2)将纳米氧化锌在超声条件下按照质量比1:15的比例加入PAO2中,超声50min,后在75℃的温度下,以350r/min的搅拌速度搅拌2小时,搅拌过程中逐步滴加1.3%的混合改性剂,改性结束后经过滤后得改性后的纳米氧化锌;
所述混合改性剂为油酸和KH570按照质量比为1:3的混合物;
(3)改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1.5混合,即得。
实施例2
本实施例提供一种减震器油组合物,所述减震器油组合物由以下重量百分含量的组分组成:纳米添加剂(实施例1制备得到)为0.4%,Vx7-310为3%,硫化脂肪酸酯为0.6%,硫代氨基酸甲酸酯为0.85%,三羟甲基丙烷三油酸酯为0.65%,Vx1-248为0.52%,复合抗泡剂为0.0002%,PAO2和PRIOLUBE3959为余量;其中,PAO2和PRIOLUBE3959的用量比为7:1。
实施例3
本实施例提供一种减震器油组合物,所述组合物由以下重量百分含量的组分组成:纳米添加剂为(实施例1制备得到)4.3%,Vx7-310为7%,硫化脂肪酸酯为1.3%,硫代氨基酸甲酸酯为0.15%,三羟甲基丙烷三油酸酯为0.01%,Vx1-248为0.05%,复合抗泡剂为0.004%,PAO2和PRIOLUBE3959为余量;其中,PAO2和PRIOLUBE3959的用量比为8:1。
实施例4
本实施例提供一种减震器油组合物,所述组合物由以下重量百分含量的组分组成:纳米添加剂(实施例1制备得到)为6.2%,Vx7-310为15%,硫化脂肪酸酯为2.8%,硫代氨基酸甲酸酯为1.5%,三羟甲基丙烷三油酸酯为1.3%,Vx1-248为1.0%,复合抗泡剂为0.008%,PAO2和PRIOLUBE3959为余量;其中,PAO2和PRIOLUBE3959的用量比为9:1。
实施例5
本实施例中纳米添加剂的制备过程与实施例1中纳米添加剂的制备过程的区别在于,本实施例使用的混合改性剂的量为0.2%。
实施例6
本实施例中纳米添加剂的制备过程与实施例1中纳米添加剂的制备过程的区别在于,本实施例使用的混合改性剂的量为1.8%。
实施例7
本实施例中纳米添加剂的制备过程与实施例1中纳米添加剂的制备过程的区别在于,本实施例使用的所述混合改性剂为油酸和KH570按照质量比为1:2的混合物。
实施例8
本实施例中纳米添加剂的制备过程与实施例1中纳米添加剂的制备过程的区别在于,本实施例使用的所述混合改性剂为油酸和KH570按照质量比为1:4的混合物。
实施例9
本实施例与实施例4所述组合物的区别在于,本实施例中所述的纳米添加剂由改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1混合即得。
实施例10
本实施例与实施例4所述组合物的区别在于,本实施例中所述的纳米添加剂由改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:2混合即得。
实验例
本实验例对比了本发明所述减震器油组合物与已知常规减震器油的效果。
实验对象:
实验组1-3:本发明实施例2-4所述的减震器油组合物;
参比油,德国某知名品牌生产的红色减震器油;
测试标准:
按照国家标准方法测试上述实验对象的相关性能。结果见表1。
表1 实施例的性能数据
由上述试验结果可以看出,本发明所述减震器油在抗磨性能(磨斑直径与竞品相比减少了50%以上,摩擦系数最大减少50%以上)更加优异。
虽然,上文中已经用一般性说明及具体实施例对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。因此,在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。

Claims (10)

1.一种高抗磨减震器油组合物,其特征在于,包括如下重量百分含量的组分:纳米添加剂为0.4~6.2%,聚甲基丙烯酸型黏指剂为3~15%,硫化脂肪酸酯为0.6~2.8%,硫代氨基酸甲酸酯为0.15~1.5%,三羟甲基丙烷三油酸酯为0.01~1.3%,聚酯类降凝剂为0.05~1.0%,复合抗泡剂为0.0002~0.008%,聚α烯烃类基础油及合成酯类基础油为余量。
2.根据权利要求1所述的组合物,其特征在于,所述纳米添加剂由改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1~1:2混合得到。
3.根据权利要求2所述的组合物,其特征在于,所述纳米硼酸的直径为20~120nm,和/或,所述纳米氧化锌直径为20~80nm。
4.根据权利要求2或3所述的组合物,其特征在于,所述纳米添加剂的制备包括如下步骤:
(1)将纳米硼酸按照1:15~25的质量比加入到PRIOLUBE3959中,超声40~60min,后在75~85℃的温度条件下,以300~800r/min的搅拌速度搅拌1~2小时,经过滤、干燥后得改性后的纳米硼酸;
(2)将纳米氧化锌在超声条件下按照质量比1:10~1:30的比例加入PAO2中,超声40~60min,后在70~80℃的温度下,以200~500r/min的搅拌速度搅拌1~2小时,搅拌过程中逐步滴加0.2%~1.8%的混合改性剂,改性结束后经过滤、干燥后得改性后的纳米氧化锌;
其中,所述混合改性剂为油酸和KH570按照质量比为1:2~4的混合物;
(3)将改性后的纳米硼酸和改性后的纳米氧化锌按质量比1:1~1:2混合,即得。
5.根据权利要求1或2所述的组合物,其特征在于,所述聚甲基丙烯酸型黏指剂为Vx7-310。
6.根据权利要求1或2所述的组合物,其特征在于,所述聚酯类降凝剂为Vx7-148。
7.根据权利要求1或2所述的组合物,其特征在于,所述聚α烯烃类基础油为PAO2,所述合成酯类基础油为PRIOLUBE3959。
8.根据权利要求7所述的组合物,其特征在于,所述PAO2和PRIOLUBE3959的用量比为7-9:1。
9.根据权利要求1所述的组合物,其特征在于,所述组合物由以下重量百分含量的组分组成:纳米添加剂为0.4-6.2%,Vx7-310为3-15%,硫化脂肪酸酯为0.6-2.8%,硫代氨基酸甲酸酯为0.15-1.5%,三羟甲基丙烷三油酸酯为0.01-1.3%,Vx1-248为0.05-1.0%,复合抗泡剂为0.0002-0.008%,PAO2和PRIOLUBE3959为余量,PAO2和PRIOLUBE3959的用量比为7:1-9:1。
10.根据权利要求1所述的组合物,其特征在于,所述组合物由以下重量百分含量的组分组成:纳米添加剂为6.2%,Vx7-310为15%,硫化脂肪酸酯为2.8%,硫代氨基酸甲酸酯为1.5%,三羟甲基丙烷三油酸酯为1.3%,Vx1-248为1.0%,复合抗泡剂为0.008%,PAO2和PRIOLUBE3959为余量,PAO2和PRIOLUBE3959的用量比为9:1。
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