CN110628493A - 一种高抗氧化性微量润滑切削油及其制备方法和应用 - Google Patents
一种高抗氧化性微量润滑切削油及其制备方法和应用 Download PDFInfo
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Abstract
本发明公开了一种高抗氧化性微量润滑切削油及其制备方法和应用,以重量份数计,包括以下组分:基础油75‑95份;抗氧剂1‑6份;铺展剂1‑3份;极压抗磨剂1‑3份;抗雾剂0.5‑1.5份;防锈剂1‑2份;其中,所述基础油为烷烃油和添加剂的混合物,所述抗氧剂由屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成。该切削油采用特定的抗氧剂,通过切削油中特定配比的各组分间的相互协同效应,实现了切削油的长期循环使用。与传统的切削油相比,本发明的微量润滑切削油不仅具备优异的抗氧化性能,而且在长时间的高低温环境下工作也能维持良好的氧化稳定性,具备优异的使用寿命,绿色环保,制备简单,能够实现工业化生产。
Description
技术领域
本发明涉及润滑油技术领域,更具体地,涉及一种高抗氧化性微量润滑切削油及其制备方法和应用。
背景技术
润滑油是用在各种类型汽车、机械设备上以减少摩擦,保护机械及加工件的液体或半固体润滑剂,主要起到润滑、辅助冷却、防锈和清洁等作用。然而,长时间使用的润滑油组合物容易引起因氧化而导致的性能降低、伴随氧化的淤渣的析出等弊病。析出的淤渣有时会引起例如因附着于旋转体的轴承上并发热而导致轴承的损伤、产生在循环管线中设置的过滤器的堵塞、因堆积于控制阀上而导致控制系统的动作不良等问题。
因此,提供一种具备优异稳定性和高低温抗氧化性能,且绿色环保的微量润滑切削油具有重要意义。
发明内容
针对现有技术存在的上述问题,本申请提供了一种高抗氧化性微量润滑切削油,该切削油采用特定的抗氧剂,通过切削油中特定配比的各组分间的相互协同效应,实现了切削油的长期循环使用,在高低温不同温度区域使用均具备良好的抗氧化效果。
本发明的又一目的是提供一种高抗氧化性微量润滑切削油的制备方法。
本发明的再一目的是提供一种高抗氧化性微量润滑切削油的应用。
本发明的技术方案如下:
一种高抗氧化性微量润滑切削油,以重量份数计,包括以下组分:
其中,所述基础油为烷烃油和添加剂的混合物,所述抗氧剂由屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成。
本发明的基础油采用烷烃油与添加剂的混合物,其中烷烃油为碳数为10-13的直链烷烃,且含量在90%以上,添加剂为植物油,对人体、环境、大气均不会造成危害,是一种绿色环保的润滑油。为提高切削油的使用寿命与高低温使用效果,发明人经过大量的实验探索发现,采用屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成的抗氧剂具备独特的抗氧化性,通过不同抗氧剂之间的相互协同作用,实现了切削油在高温和低温下的抗氧化作用,为切削油的长期循环使用奠定了基础,还可防止切削油的变质,进而延长切削油的使用寿命。
优选地,所述微量润滑切削油,以重量份数计,包括以下组分:
优选地,所述屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂的质量比为1~2:1~3:1~3。
优选地,所述屏蔽酚型抗氧剂为2,6-二叔丁基对甲酚和/或2,6-二叔丁基氨基对甲酚,芳胺型抗氧剂为苯基-α奈胺,酚胺型抗氧剂为2-羟基-4-正辛氧基-二苯甲酮。
更优选地,所述屏蔽酚型抗氧剂为2,6-二叔丁基对甲酚。
优选地,所述抗雾剂为聚异丁烯、聚丙烯酸酯、乙烯丙烯共聚物、聚酯中的一种或几种。在使用切削油的过程中,抗雾剂通过其特殊的空间网状结构捕捉小分子结构物质,从而达到降低雾化的作用。
更优选地,所述抗雾剂的分子量为10000-20000。
优选地,所述防锈剂为N-酰氨基酸铵盐、十二烯基丁二酸、高碱值磺酸钙、苯并三氮唑、甲基苯并三氮唑的一种或几种。不同分子结构的防锈,金属钝化剂的搭配,不但可以为刀具、被加工金属提供良好的防锈防腐作用,还可以很好的保护机床表面及其内部构造中的各种金属部件。
优选地,所述极压抗磨剂为芳香基磷酸酯、脂肪基磷酸酯、脂肪醇磷酸酯、磷酸酯铵盐中的一种或几种。含磷化合物在一定条件下,可以与金属表面发生化学反应,该化学反应膜可以起到减小摩擦,防止被加工金属与刀具由于高速运转产生大量的摩擦热而烧结在一起的作用。
优选地,所述基础油中烷烃油和添加剂的混合质量比为70-90:5-10。
优选地,所述铺展剂为格尔伯特醇。
一种高抗氧化性微量润滑切削油的制备方法,包括以下步骤:向基础油中依次加入抗氧剂、极压抗磨剂、铺展剂、防锈剂、抗雾剂,室温下搅拌30-60min得到所述微量润滑切削油。
一种高抗氧化性微量润滑切削油在切削加工有色金属中的应用也在本发明的保护范围内。
优选地,所述有色金属为铝型材有色金属。
本发明有益的技术效果在于:
本发明提供了一种高抗氧化性微量润滑切削油,该切削油采用特定的抗氧剂,通过切削油中特定配比的各组分间的相互协同效应,实现了切削油的长期循环使用。与传统的切削油相比,本发明的微量润滑切削油不仅具备优异的抗氧化性能,而且在长时间的高低温环境下工作也能维持良好的氧化稳定性,在高低温不同温度区域使用均具备良好的抗氧化效果,具备优异的使用寿命,绿色环保,制备简单,能够实现工业化生产。
具体实施方式
下面结合实施例,对本发明进行具体描述。显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种高抗氧化性微量润滑切削油,以重量份数计,包括以下组分:
其中,基础油为碳数为12的直链烷烃与菜籽油的混合物,混合质量比为80:5;
抗氧剂由质量比为1:1:1的屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成,其中屏蔽酚型抗氧剂为2,6-二叔丁基对甲酚,芳胺型抗氧剂为苯基-α奈胺,酚胺型抗氧剂为2-羟基-4-正辛氧基-二苯甲酮;
铺展剂为格尔伯特醇;
极压抗磨剂为亚磷酸二正丁酯;
抗雾剂为乙烯丙烯共聚物,分子量为15000;
防锈剂为碱值为400TBN的磺酸钙、苯并三氮唑的混合物,混合质量比为2:1。
一种高抗氧化性微量润滑切削油的制备方法,包括以下步骤:向上述基础油中依次加入抗氧剂、极压抗磨剂、铺展剂、防锈剂、抗雾剂,室温下搅拌50min得到所述微量润滑切削油。
实施例2
一种高抗氧化性微量润滑切削油,以重量份数计,包括以下组分:
其中,基础油为碳数为13的直链烷烃与菜籽油的混合物,混合质量比为85:6;
抗氧剂由质量比为1:3:3的屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成,其中屏蔽酚型抗氧剂为2,6-二叔丁基氨基对甲酚,芳胺型抗氧剂为苯基-α奈胺、酚胺型抗氧剂为2-羟基-4-正辛氧基-二苯甲酮;
铺展剂为格尔伯特醇;
极压抗磨剂为亚磷酸二正丁酯;
抗雾剂为聚异丁烯,分子量为15000;
防锈剂为甲基苯丙三氮唑。
一种高抗氧化性微量润滑切削油的制备方法,包括以下步骤:向上述基础油中依次加入抗氧剂、极压抗磨剂、铺展剂、防锈剂、抗雾剂,室温下搅拌40min得到所述微量润滑切削油。
实施例3
一种高抗氧化性微量润滑切削油,与实施例1基本相同,其区别在于,所述抗氧剂中的屏蔽酚型抗氧剂由2,6-二叔丁基对甲酚和2,6-二叔丁基氨基对甲酚复合得到,复合质量比为1:1。
对比例1
一种高抗氧化性微量润滑切削油,与实施例1基本相同,其区别在于,所述抗氧剂为胺系抗氧剂,具体为二辛基二苯基胺。
对比例2
一种高抗氧化性微量润滑切削油,与实施例1基本相同,其区别在于,所述抗氧剂为酚系抗氧剂,具体为3,5-二叔丁基-4-羟基苯甲基膦酸二乙酯。
对比例3
一种高抗氧化性微量润滑切削油,与实施例1基本相同,其区别在于,所述抗氧剂为芳胺型抗氧剂,具体为苯基-α奈胺。
性能检测及结果讨论
将实施例和对比例的挥发性微量润滑切削油进行各项性能指标检测,技术指标如表1所示。
表1
为进一步考察本发明的微量润滑切削油的抗氧化效果,按照Dry-TOST法进行了氧化稳定性试验,测定按照ASTM D2272的RPVOT值达到试验前的RPVOT值的25%为止的时间(h),和该时间下的淤渣生成量(mg/100ml),结果如表2所示。
表2
项目 | RPVOT值的25%为止的时间(h) | 淤渣生成量(mg/100ml) |
实施例1 | 2000 | 2.3 |
实施例2 | 1900 | 2.5 |
实施例3 | 1850 | 2.5 |
对比例1 | 1640 | 3.5 |
对比例2 | 1700 | 3.6 |
对比例3 | 1750 | 3.3 |
从表1和表2中可以看出,本发明实施例制备得到的切削油具备更小的粘度,且挥发率适中,其耐摩擦性能和耐腐蚀性能均明显好于对比例,针对氧化稳定性,也明显好于对比例。
从实施例1和对比例3可以看出,当抗氧剂采用单一的芳胺型抗氧剂时,切削油的基础性能指标和氧化性能均明显下降。由实施例1和实施例3可以看出,抗氧剂中的屏蔽酚型抗氧剂采用单一的2,6-二叔丁基对甲酚时,制得的切削油性能更加优越。
Claims (10)
1.一种高抗氧化性微量润滑切削油,其特征在于,以重量份数计,包括以下组分:
其中,所述基础油为烷烃油和添加剂的混合物,所述抗氧剂由屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂复合而成。
2.如权利要求1所述微量润滑切削油,其特征在于,以重量份数计,包括以下组分:
3.如权利要求1所述微量润滑切削油,其特征在于,所述屏蔽酚型抗氧剂、芳胺型抗氧剂、酚胺型抗氧剂的质量比为1~2:1~3:1~3。
4.如权利要求1或2所述微量润滑切削油,其特征在于,所述屏蔽酚型抗氧剂为2,6-二叔丁基对甲酚和/或2,6-二叔丁基氨基对甲酚,芳胺型抗氧剂为苯基-α奈胺,酚胺型抗氧剂为2-羟基-4-正辛氧基-二苯甲酮。
5.如权利要求1所述微量润滑切削油,其特征在于,所述屏蔽酚型抗氧剂为2,6-二叔丁基对甲酚。
6.如权利要求1所述微量润滑切削油,其特征在于,所述抗雾剂为聚异丁烯、聚丙烯酸酯、乙烯丙烯共聚物、聚酯中的一种或几种。
7.如权利要求6所述微量润滑切削油,其特征在于,所述抗雾剂的分子量为10000-20000。
8.如权利要求1所述微量润滑切削油,其特征在于,所述防锈剂为N-酰氨基酸铵盐、十二烯基丁二酸、高碱值磺酸钙、苯并三氮唑、甲基苯并三氮唑的一种或几种。
9.如权利要求1~8任一项所述微量润滑切削油的制备方法,其特征在于,包括以下步骤:向基础油中依次加入抗氧剂、极压抗磨剂、铺展剂、防锈剂、抗雾剂,室温下搅拌30-60min得到所述微量润滑切削油。
10.如权利要求1~8任一项所述微量润滑切削油在切削加工有色金属中的应用。
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