CN108587756A - 一种石墨烯润滑油添加剂及制备方法 - Google Patents
一种石墨烯润滑油添加剂及制备方法 Download PDFInfo
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Abstract
本发明涉及一种联合收割机的局部构件,特别涉及一种石墨烯润滑油添加剂。该石墨烯润滑油添加剂,各组分的含量以重量百分比计包括:石墨烯占0.1‑1%、氢化苯乙烯‑双烯共聚物占1‑10%、油酸占1‑10%、硼酸酯占10‑25%和油性溶剂占70‑90%。本发明的有益效果:工艺过程简单,简化了生产工艺,降低了生产成本。
Description
(一)技术领域
本发明涉及一种润滑油添加剂,特别涉及一种石墨烯润滑油添加剂及制备方法。
(二)背景技术
为了增加润滑油的减摩抗磨效果,通常在润滑油中添加少量的润滑油添加剂,传统的润滑油添加剂为硫、磷或氯型抗磨剂,此种添加剂对摩擦副材料具有腐蚀性和选择性,特别是含硫、磷或氮等元素的润滑油添加剂在使用过程中,会排放废气和污染物,因而对环境造成污染。
纳米添加剂有助于改善润滑油的性能,而石墨烯作为单层碳原子紧密排列而形成的一种炭质新材料,具有单层二维蜂窝状晶格结构,是目前世界上公认的最薄的二维材料,由于其特殊的微观结构,石墨烯具有极好的力学、热导性和电学性能,但现有的技术采用N-甲基吡咯烷与石油醚反复清洗以增强石墨烯亲油性的方法,虽然可提高石墨烯在润滑油中的分散性,但其工艺操作复杂繁琐、并且伴有高污染物排放,影响环保。
(三)发明内容
本发明为了弥补现有技术的不足,提供了一种工艺简单且环保的石墨烯润滑油添加剂及制备方法。
本发明是通过如下技术方案实现的:
一种石墨烯润滑油添加剂,各组分的含量以重量百分比计包括:石墨烯占0.1-1%、氢化苯乙烯-双烯共聚物占1-10%、油酸占1-10%、硼酸酯占10-25%和油性溶剂占70-90%。
所述石墨烯润滑油添加剂中各组分的含量以重量百分比计优选石墨烯0.4%、氢化苯乙烯-双烯共聚物4%、油酸2%、硼酸酯15%、油性溶剂78.6%。
所述硼酸酯的组分以重量百分比计包括2-(4-十二烷基苯氧基)羟乙基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十二烷基氨基二乙氧基硼酸酯20%、2-(4-十二烷基苯氧基)油酸酯羟乙基氨基二乙氧基硼酸酯40%。
所述油性溶剂为润滑油基础油。
一种石墨烯润滑油添加剂的制备方法,其特征在于包括以下步骤:取硼酸酯和油性溶剂在温度为50-60℃下充分搅拌30min,再加入油酸和氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得。
本发明的有益效果是:不会出现对摩擦副材料具有腐蚀性和选择性的现象,此过程中没有废水、废气和废渣等的产生和排放,绿色环保;硼酸酯组分增加了添加剂的粘度有利于石墨烯的分散稳定,同时与石墨烯复配有利于该添加剂的极压抗磨性;氢化苯乙烯-双烯共聚物不仅能稠化基础油,而且能够改变油品的粘温性,使油品具有良好的高温润滑性、低温流动性和热氧化安定性;此工艺过程简单,简化了生产工艺,降低了生产成本。
(四)具体实施方式
实施例1
石墨烯润滑油添加剂,取原料按重量百分比计包括:
石墨烯0.1%、氢化苯乙烯-双烯共聚物1%、油酸1.5%、硼酸酯15%、油性溶剂82.4%;
其中:石墨烯的直径为1um-5um,厚度为1nm-10nm,比表面积500-1000㎡/g;硼酸酯组分按重量百分比计为2-(4-十二烷基苯氧基)羟乙基胺基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十七烷基胺基二乙氧基硼酸酯20%、以及2-(4-十二烷 基苯氧基)油酸酯羟乙基胺基二乙氧基硼酸酯40%;油性溶剂为500SN基础油。
石墨烯润滑油添加剂的制备方法,包括如下步骤:
将硼酸酯加入到油性溶剂在50-60℃充分搅拌30min,再加入氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得石墨烯润滑油添加剂,本品为黑色油状物。
产品抗磨性能测试:利用四球机测定,设定载荷(温度20℃,负荷294N和392N,速度1450R/min,时间30min)下的抗磨性能,四球试验所用的钢球为直径12.7mm的CCr15标准钢球,对比试验结果如表1所示。
实施例2
石墨烯润滑油添加剂,取原料按重量百分比计包括:
石墨烯0.1%、氢化苯乙烯-双烯共聚物1%、油酸2%、硼酸酯15%、油性溶剂81.9%;
其中:石墨烯的直径为1um-5um,厚度为1nm-10nm,比表面积500-1000㎡/g;硼酸酯组分按重量百分比计为2-(4-十二烷基苯氧基)羟乙基胺基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十七烷基胺基二乙氧基硼酸酯20%、以及2-(4-十二烷 基苯氧基)油酸酯羟乙基胺基二乙氧基硼酸酯40%;油性溶剂为500SN基础油。
石墨烯润滑油添加剂的制备方法,包括如下步骤:
将硼酸酯加入到油性溶剂在50-60℃充分搅拌30min,再加入氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得石墨烯润滑油添加剂,本品为黑色油状物。
产品抗磨性能测试:利用四球机测定,设定载荷(温度20℃,负荷294N和392N,速度1450R/min,时间30min)下的抗磨性能,四球试验所用的钢球为直径12.7mm的CCr15标准钢球,对比试验结果如表1所示。
实施例3
石墨烯润滑油添加剂,取原料按重量百分比计包括:
石墨烯0.5%、氢化苯乙烯-双烯共聚物1%、油酸6%、硼酸酯20%、油性溶剂72.5%;
其中:石墨烯的直径为1um-5um,厚度为1nm-10nm,比表面积500-1000㎡/g;硼酸酯组分按重量百分比计为2-(4-十二烷基苯氧基)羟乙基胺基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十七烷基胺基二乙氧基硼酸酯20%、以及2-(4-十二烷 基苯氧基)油酸酯羟乙基胺基二乙氧基硼酸酯40%;油性溶剂为500SN基础油。
石墨烯润滑油添加剂的制备方法,包括如下步骤:
将硼酸酯加入到油性溶剂在50-60℃充分搅拌30min,再加入氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得石墨烯润滑油添加剂,本品为黑色油状物。
产品抗磨性能测试:利用四球机测定,设定载荷(温度20℃,负荷294N和392N,速度1450R/min,时间30min)下的抗磨性能,四球试验所用的钢球为直径12.7mm的CCr15标准钢球,对比试验结果如表1所示。
实施例4
石墨烯润滑油添加剂,取原料按重量百分比计包括:
石墨烯0.8%、氢化苯乙烯-双烯共聚物1%、油酸10%、硼酸酯20%、油性溶剂68.2%;
其中:石墨烯的直径为1um-5um,厚度为1nm-10nm,比表面积500-1000㎡/g;硼酸酯组分按重量百分比计为2-(4-十二烷基苯氧基)羟乙基胺基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十七烷基胺基二乙氧基硼酸酯20%、以及2-(4-十二烷 基苯氧基)油酸酯羟乙基胺基二乙氧基硼酸酯40%;油性溶剂为500SN基础油。
石墨烯润滑油添加剂的制备方法,包括如下步骤:
将硼酸酯加入到油性溶剂在50-60℃充分搅拌30min,再加入氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得石墨烯润滑油添加剂,本品为黑色油状物。
产品抗磨性能测试:利用四球机测定,设定载荷(温度20℃,负荷294N和392N,速度1450R/min,时间30min)下的抗磨性能,四球试验所用的钢球为直径12.7mm的CCr15标准钢球,对比试验结果如表1所示。
综上所述,本发明的内容并不局限在上述的实施例中,相同领域内通过本发明的技术 指导思想之内可以轻易提出其他的实施例,但这种实施例都包括在本发明的范围之内。
Claims (5)
1.一种石墨烯润滑油添加剂,各组分的含量以重量百分比计包括:石墨烯占0.1-1%、氢化苯乙烯-双烯共聚物占1-10%、油酸占1-10%、硼酸酯占10-25%和油性溶剂占70-90%。
2.根据权利要求1所述的石墨烯润滑油添加剂,其特征是:所述石墨烯润滑油添加剂中各组分的含量以重量百分比计优选石墨烯0.4%、氢化苯乙烯-双烯共聚物4%、油酸2%、硼酸酯15%、油性溶剂78.6%。
3.根据权利要求1所述的石墨烯润滑油添加剂,其特征是:所述硼酸酯的组分以重量百分比计包括2-(4-十二烷基苯氧基)羟乙基二乙氧基硼酸酯40%、2-(4-十二烷基苯氧基)十二烷基氨基二乙氧基硼酸酯20%、2-(4-十二烷基苯氧基)油酸酯羟乙基氨基二乙氧基硼酸酯40%。
4.根据权利要求1所述的石墨烯润滑油添加剂,其特征是:所述油性溶剂为润滑油基础油。
5.一种权利要求1所述的石墨烯润滑油添加剂的制备方法,其特征在于包括以下步骤:取硼酸酯和油性溶剂在温度为50-60℃下充分搅拌30min,再加入油酸和氢化苯乙烯-双烯共聚物电磁搅拌30min,然后加入石墨烯电磁搅拌30min,最后用300W、20-40Hz的条件下超声处理30min,即得。
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