CN107474914A - 一种全合成极压开式齿轮油及其合成方法 - Google Patents
一种全合成极压开式齿轮油及其合成方法 Download PDFInfo
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Abstract
本发明属于化工技术领域,涉及一种全合成极压开式齿轮油,用于解决现有水泥、矿山行业的大型开式齿轮油粘度大,设备运转能耗高,低温无法使用等问题。它包括如下组分:基础油80‑90wt%,复合添加剂10‑19.998wt%和消泡剂0.001‑0.002wt%,所述基础油由烷基苯94‑96wt%和高分子二元乙丙烯烃1‑2wt%在催化剂1‑2wt%催化下聚合而成;所述的复合添加剂包括极压剂1‑3wt%、抗氧抗腐剂1‑2wt%,极压抗磨剂2‑5wt%、纳米微粒抗磨剂2‑5wt%、油性剂2‑5wt%和消泡剂0.001‑0.002wt%;本发明还涉及一种全合成极压开式齿轮油的合成方法。本发明的极压开式齿轮油低温性能好,生产成本低,抗磨极压性能佳,润滑性能好,节能效果好,可大范围应用。
Description
技术领域
本发明涉及化工技术领域,涉及一种全合成极压开式齿轮油及其合成方法。
背景技术
随着社会经济技术的发展,水泥矿山进入了大型设备时代。由于喷油式润滑用油定量少、润滑部位准确、润滑系统清洁,因而在大型开式齿轮的润滑中广为使用。传统使用的沥青溶剂型开式齿轮油,低温流动性差,室温低于10度,粘度增加三倍,增加能源消耗,零度以下不能使用。从而限制了其在喷射式开式齿轮上使用。另外,沥青溶剂型开式齿轮油所含氯化溶剂挥发后对大气臭氧层产生破坏,换油操作也很繁琐。
为了克服现有技术的缺陷,本领域技术人员一直在努力合成一种节能型的全合成极压开式齿轮油,使其具有低温性能好,生产成本低,抗磨极压性能佳,润滑性能好,节能效果好的特点,从而可以解决现有水泥、矿山行业的大型开式齿轮油粘度大、设备运行运转能耗高、低温无法使用的问题。
发明内容
本发明所解决的技术问题是提供一种全合成极压开式齿轮油,其具有低温性能好,生产成本低,抗磨极压性能佳,润滑性能好,节能效果好的特点。
本发明是通过如下技术方案实现的:
本发明所述的全合成极压开式齿轮油,包括如下组分:基础油80-90wt%,复合添加剂10-19.998wt%和消泡剂0.001-0.002wt%;
所述基础油由烷基苯60-80wt%、低分子聚异丁烯20-40wt%、高分子二元乙丙烯烃1-2wt%在催化剂1-2wt%催化下聚合而成:
所述烷基苯为生产洗涤剂烷基苯合成中的副产品重烷基苯高沸物经过减压蒸馏截取的馏分,该烷基苯在100℃时的运动粘度为6-15mm2/s;
所述高分子二元乙丙烯烃为不能被硫化的—二元乙丙胶(EPR),所述催化剂为甲苯:
所述复合添加剂中各组分占全合成开式极压齿轮油的重量百分组成为:极压剂1-3wt%,抗氧抗腐剂1-2wt%,极压抗磨剂2-5wt%,纳米微粒抗磨剂2-5wt%,油性剂1-5wt%;
其中,按重量比计,极压剂:抗氧抗腐剂=1:1-3:1,极压剂:抗氧抗腐剂:极压抗磨剂:油性剂=(2-4):(1-1.5):(2-4):(1-1.5);
所述极压剂为亚磷酸二正丁酯(T304);
所述抗氧抗腐剂,包括长短链伯醇基的二烷基二硫代磷酸锌,长链伯醇基的二烷基二硫代磷酸锌,伯仲混合醇基的二烷基二硫代磷酸锌,仲醇基二烷基二硫代磷酸锌中的一种或几种;优选伯仲混合醇基的二烷基二硫代磷酸锌,仲醇基二烷基二硫代磷酸锌中的一种或两种;
所述极压抗磨剂为磷酸三甲酚脂,异辛基酸性磷酸脂,十八胺盐,硫磷酸三苯脂中的一种或多种;优选为:磷酸三甲酚脂、硫磷酸三苯脂中的一种或两种;
所述油性剂为苯三唑脂肪铵酸盐、二烷基二硫代磷酸氧铜中的一种或多种;
所述纳米微粒抗磨剂为纳米微粒石墨。
所述消泡剂为:甲基硅油T901、甲基硅油T902、或无硅2号抗泡剂中的一种或多种。
本发明还提供了所述节能型的全合成极压开式齿轮油的合成方法,包括如下操作步骤:
第一步,制备基础油:先将烷基苯加入真空反应釜中,依次加入高分子二元乙丙烯烃和低分子聚异丁烯,加温搅拌至80-100℃时,滴入催化剂1-2wt%,继续加温80-110℃,搅拌2-4h后,开真空去除催化剂后得到基础油;
第二步,制备复合添加剂;
先将极压剂与极压抗磨剂在反应釜中50-60℃搅拌下聚合,之后依次加入抗氧抗腐剂、油性剂和纳米微粒抗磨剂,接着恒温60℃,搅拌下反应1-2h。
第三步,制备全合成极压开式齿轮油:
将第一步得到的基础油80-90wt%与第二步得到的复合添加剂10-19.998wt%放置于反应釜内,搅拌,加入消泡剂0.001-0.002wt%,恒温50-80℃、搅拌1-2小时后得到全合成极压开式齿轮油。
本发明首先在基础油的制备过程中添加了低分子量聚异丁烯,能够增加齿轮粘附力,从而减少对齿轮的磨损。其次,本发明使用了极压剂,抗氧抗腐剂,极压抗磨剂,纳米微粒抗磨剂,油性剂组成的复合添加剂,该复合添加剂是现有技术领域中并未使用过的。本发明制备的全合成极压开式齿轮油具有低温性能好,生产成本低,抗磨极压性能佳,润滑性能好,节能效果好的特点。本发明制备的齿轮油的倾点在-30℃左右,明显低于现有齿轮油的倾点(-8℃),同时,本发明产品的极压性强,其承载能力在5000牛以上,明显高于现有齿轮油的承载能力(3000牛),因此,其可以实现喷射功能,可以广泛地在喷射式开式齿轮上使用。
具体实施方式:
以220号全合成极压开式齿轮油为例,制备方法参考如下实施例。
实施例1
先将烷基苯80wt%加入真空反应釜中,依次加入高分子二元乙丙烯烃40wt%和低分子聚异丁烯各1wt%,加温搅拌至80-100℃时,滴入催化剂甲苯1wt%,继续加温80-110℃,搅拌2-4h后,开真空去除催化剂后得到基础油;将极压剂亚磷酸二正丁酯2wt%与极压抗磨剂磷酸三甲酚脂2wt%在反应釜中50-60℃搅拌下聚合,之后依次加入抗氧抗腐剂伯仲混合醇基的二烷基二硫代磷酸锌1wt%、油性剂苯三唑脂肪铵酸盐1wt%和纳米微粒抗磨剂2wt%,接着恒温60℃,搅拌下反应1-2h。将第一步得到的基础油80wt%与第二步得到的复合添加剂10wt%放置于反应釜内,搅拌,加入消泡剂甲基硅油T901 0.001wt%,恒温50-80℃、搅拌1小时后得到全合成极压开式齿轮油。
实施例2
参考实施例1,改变抗氧抗腐剂为仲醇基二烷基二硫代磷酸锌,极压抗磨剂硫磷酸三苯脂,其它条件不变。
实施例3
参考实施例1,改变油性剂为二烷基二硫代磷酸氧铜,其它条件不变。
实施例4
参考实施例2,改变油性剂为二烷基二硫代磷酸氧铜,其它条件不变。
实施例5
参考实施例1,改变极压剂:抗氧抗腐剂:极压抗磨剂:油性剂=1:1:1:1,其它条件不变。
实施例6
参考实施例1,改变极压剂:抗氧抗腐剂=3:1,其它条件不变。
对实施例1-6的220号全合成极压开式齿轮油产品进行检测,其检测方法为本领域常用的检测手段,检测结果如下:
Claims (10)
1.一种全合成极压开式齿轮油,其特征在于:包括如下组分:基础油80-90wt%,复合添加剂10-19.998wt%和消泡剂0.001-0.002wt%;所述基础油由烷基苯60-80wt%、低分子聚异丁烯20-40wt%、高分子二元乙丙烯烃1-2wt%在催化剂1-2wt%催化下聚合而成;
所述复合添加剂中各组分占全合成开式极压齿轮油的重量百分组成为:极压剂l-3wt%,抗氧抗腐剂1-2wt%,极压抗磨剂2-5wt%和纳米微粒抗磨剂2-5wt%,油性剂1-5wt%;
所述极压剂为亚磷酸二正丁酯T304;
所述抗氧抗磨剂,包括长短链伯醇基的二烷基二硫代磷酸锌,长链伯醇基的二烷基二硫代磷酸锌,伯仲混合醇基的二烷基二硫代磷酸锌,仲醇基二烷基二硫代磷酸锌中的一种或几种;
所述极压抗磨剂为磷酸三甲酚脂,异辛基酸性磷酸脂,十八胺盐,硫磷酸三苯脂中的一种或多种;
所述油性剂为苯三唑脂肪铵酸盐、二烷基二硫代磷酸氧铜中的一种或多种;
所述纳米微粒抗磨剂为纳米微粒石墨。
2.如权利要求1所述的全合成极压开式齿轮油,其特征在于:所述消泡剂为甲基硅油T901、甲基硅油T902、或无硅2号抗泡剂中的一种或多种。
3.如权利要求1所述的全合成极压开式齿轮油,其特征在于:所述烷基苯为生产洗涤剂烷基苯合成中的副产品重烷基苯高沸物经过减压蒸馏截取的的馏分,该烷基苯在100℃时的运动粘度为6-15mm2/s。
4.如权利要求1所述的全合成极压开式齿轮油,其特征在于:所述高分子二元乙丙烯烃为不能被硫化的—二元乙丙胶,所述催化剂为甲苯。
5.如权利要求1所述的全合成极压开式齿轮油,其特征在于:按重量比计,极压剂:抗氧抗腐剂=1:1-3:1。
6.如权利要求1所述的全合成极压开式齿轮油,其特征在于:按重量比计,抗氧抗腐剂:极压抗磨剂:油性剂=(2-4):(1-1.5):(2-4):(1-1.5)。
7.如权利要求1所述的全合成极压开式齿轮油的合成方法,其特征在于,包括如下操作步骤:
第一步,制备基础油:
先将烷基苯加入真空反应釜中,依次加入高分子二元乙丙烯烃和低分子聚异丁烯,加温搅拌后滴入催化剂,继续加温搅拌后,开真空去除催化剂后得到基础油;
第二步,制备复合添加剂;
先将极压剂与极压抗磨剂在反应釜中搅拌下聚合,之后依次加入抗氧抗腐剂、油性剂和纳米微粒抗磨剂,接着恒温搅拌下反应;
第三步,制备全合成极压开式齿轮油:
将第一步得到的基础油与第二步得到的复合添加剂放置于反应釜内,搅拌,加入消泡剂,恒温搅拌得到全合成极压开式齿轮油。
8.如权利要求7所述的合成方法,其特征在于,第一步中,加温搅拌至80-100℃,滴入催化剂,继续加温80-110℃,搅拌2-4h。
9.如权利要求7所述的合成方法,其特征在于,第二步中,极压剂与极压抗磨剂在50-60℃搅拌下聚合,,接着恒温至60℃,搅拌下反应1-2h。
10.如权利要求7所述的合成方法,其特征在于,第三步中,将第一步得到的基础油80-90wt%与第二步得到的复合添加剂10-19.998wt%放置于反应釜内,搅拌,加入消泡剂0.001-0.002wt%,恒温50-80℃、搅拌1-2小时后得到全合成极压开式齿轮油。
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