CN109097168A - 一种纳米石墨烯等速万向节专用润滑脂及其制备方法 - Google Patents
一种纳米石墨烯等速万向节专用润滑脂及其制备方法 Download PDFInfo
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Abstract
本发明提供了一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:异氰酸酯45‑50份、苯胺9‑11份、环已胺25‑27份、经过亲油处理的纳米石墨烯微粉0.01‑0.03份、粘度指数改进剂8‑10份、清净剂2‑5份、防锈剂1‑3份、抗氧抗腐剂1‑3份、高效缓蚀抑制剂0.5‑2份、极压抗磨剂1‑3份、环己烷二羧酸酯105‑130份。本发明针对万向节润滑脂寿命太短,润滑脂进行全面优化,降低摩擦系数,确保等速万向节得到长寿命润滑,应用于宽温度、高速环境下。
Description
技术领域
本发明涉及润滑油脂技术领域,尤其涉及到一种纳米石墨烯等速万向节专用润滑脂及其制备方法。
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,主要起润滑、冷却、防锈、清洁、密封和缓冲等作用,润滑油一般由基础油和添加剂两部分组成。基础油是润滑油的主要成分,决定着润滑油的基本性质,添加剂则可弥补和改善基础油性能方面的不足,赋予某些新的性能,是润滑油的重要组成部分。
目前,一般万向节润滑脂由矿物基础油稠化锂皂并加有抗磨、抗氧化等添加剂制得,这种情况下,按照目前技术制备的万向节润滑脂不能满足等速条件下传动轴的润滑要求,噪音大,磨损严重,抗水性能和防锈防腐蚀能力一般,使用寿命不佳,摩擦系数成为等速万向节润滑脂能否保持长期有效润滑的瓶颈问题。本发明就是针对此种关键技术难题进行的全面优化,降低摩擦系数,确保等速万向节得到长寿命润滑,应用于宽温度、高速环境下。
发明内容
本发明的目的是提供一种纳米石墨烯等速万向节专用润滑脂及其制备方法,针对万向节润滑脂寿命太短,润滑脂进行全面优化,降低摩擦系数,确保等速万向节得到长寿命润滑,应用于宽温度、高速环境下。
本发明采用的技术方案如下:一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:
异氰酸酯45-50份、苯胺9-11份、环已胺25-27份、经过亲油处理的纳米石墨烯微粉0.01-0.03份、粘度指数改进剂8-10份、清净剂2-5份、防锈剂1-3份、抗氧抗腐剂1-3份、高效缓蚀抑制剂0.5-2份、极压抗磨剂1-3份、环己烷二羧酸酯105-130份;
所述纳米石墨烯微粉均匀分散且厚度在3-5nm;
所述粘度指数改进剂为非分散型乙烯丙烯共聚物;
所述清净剂为高碱值合成磺酸钙;
所述防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
所述抗氧抗腐剂为二苯胺、β-萘酚、2,6-二叔丁基对甲酚中的一种或两种的混合物;
所述高效缓蚀抑制剂为二硫代磷酸盐、亚硝酸钠、硫磷双辛基碱性锌盐、钼酸盐、苯并三氮唑中的两种或三种的混合物;
所述极压抗磨剂为磷酸三甲酚酯、硼酸盐或者它们的混合物;
所述环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
一种纳米石墨烯等速万向节专用润滑脂的制备方法,包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌50—60min即可。
优选的,所述步骤(4)中稀释油的加入量为10份。
本发明的优点在于:可以大幅降低其摩擦系数,同时制备的润滑脂的高低温性能、氧化安定性和胶体安定性优异,使用寿命超长,解决目前等速万向节寿命太短更换麻烦的问题,达到对等速万向节的长久有效保护。
具体实施方式
下面对本发明一种纳米石墨烯等速万向节专用润滑脂及其制备方法作进一步详细描述。
实施例1
一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:
异氰酸酯47份、苯胺10份、环已胺25份、经过亲油处理的纳米石墨烯微粉0.01份、粘度指数改进剂8份、清净剂2.8份、防锈剂1.5份、抗氧抗腐剂2份、高效缓蚀抑制剂1.2份、极压抗磨剂1.5份、环己烷二羧酸酯125份;
其中,纳米石墨烯微粉均匀分散且厚度在3-5nm;
其中,粘度指数改进剂为非分散型乙烯丙烯共聚物;
其中,清净剂为高碱值合成磺酸钙;
其中,防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
其中,抗氧抗腐剂为二苯胺;
其中,高效缓蚀抑制剂为二硫代磷酸盐、亚硝酸钠两种的混合物;
其中,极压抗磨剂为磷酸三甲酚酯;
其中,环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
一种纳米石墨烯等速万向节专用润滑脂的制备方法,包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的10份环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌60min即可。
实施例2
一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:
异氰酸酯48份、苯胺10.5份、环已胺26份、经过亲油处理的纳米石墨烯微粉0.02份、粘度指数改进剂8.5份、清净剂3份、防锈剂1.3份、抗氧抗腐剂1.5份、高效缓蚀抑制剂1.2份、极压抗磨剂1.2份、环己烷二羧酸酯128份;
其中,纳米石墨烯微粉均匀分散且厚度在3-5nm;
其中,粘度指数改进剂为非分散型乙烯丙烯共聚物;
其中,清净剂为高碱值合成磺酸钙;
其中,防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
其中,抗氧抗腐剂为2,6-二叔丁基对甲酚;
其中,高效缓蚀抑制剂为二硫代磷酸盐、亚硝酸钠、硫磷双辛基碱性锌盐三种的混合物;
其中,极压抗磨剂为硼酸盐;
其中,环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
一种纳米石墨烯等速万向节专用润滑脂的制备方法,包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的10份环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌50min即可。
实施例3
一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:
异氰酸酯49份、苯胺10份、环已胺26份、经过亲油处理的纳米石墨烯微粉0.03份、粘度指数改进剂9份、清净剂2.7份、防锈剂1.6份、抗氧抗腐剂1.5份、高效缓蚀抑制剂1.3份、极压抗磨剂1.4份、环己烷二羧酸酯122份;
其中,纳米石墨烯微粉均匀分散且厚度在3-5nm;
其中,粘度指数改进剂为非分散型乙烯丙烯共聚物;
其中,清净剂为高碱值合成磺酸钙;
其中,防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
其中,抗氧抗腐剂为β-萘酚、2,6-二叔丁基对甲酚中的混合物;
其中,高效缓蚀抑制剂为亚硝酸钠、硫磷双辛基碱性锌盐、苯并三氮唑三种的混合物;
其中,极压抗磨剂为磷酸三甲酚酯、硼酸盐的混合物;
所述环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
一种纳米石墨烯等速万向节专用润滑脂的制备方法,包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的10份环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌60min即可。
实施例4
一种纳米石墨烯等速万向节专用润滑脂,由以下重量份组分组成:
异氰酸酯45份、苯胺9份、环已胺27份、经过亲油处理的纳米石墨烯微粉0.02份、粘度指数改进剂10份、清净剂5份、防锈剂3份、抗氧抗腐剂3份、高效缓蚀抑制剂0.5份、极压抗磨剂3份、环己烷二羧酸酯105份;
其中,纳米石墨烯微粉均匀分散且厚度在3-5nm;
其中,粘度指数改进剂为非分散型乙烯丙烯共聚物;
其中,清净剂为高碱值合成磺酸钙;
其中,防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
其中,抗氧抗腐剂为二苯胺;
其中,高效缓蚀抑制剂为二硫代磷酸盐、亚硝酸钠两种的混合物;
其中,极压抗磨剂为磷酸三甲酚酯;
其中,环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
一种纳米石墨烯等速万向节专用润滑脂的制备方法,包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的10份环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌60min即可。
实验例:将实施例1~3的润滑脂进行测试,实验数据如下:
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包括在本发明的保护范围之内。
Claims (3)
1.一种纳米石墨烯等速万向节专用润滑脂,其特征在于:由以下重量份组分组成:
异氰酸酯45-50份、苯胺9-11份、环已胺25-27份、经过亲油处理的纳米石墨烯微粉0.01-0.03份、粘度指数改进剂8-10份、清净剂2-5份、防锈剂1-3份、抗氧抗腐剂1-3份、高效缓蚀抑制剂0.5-2份、极压抗磨剂1-3份、环己烷二羧酸酯105-130份;
所述纳米石墨烯微粉均匀分散且厚度在3-5nm;
所述粘度指数改进剂为非分散型乙烯丙烯共聚物;
所述清净剂为高碱值合成磺酸钙;
所述防锈剂为十二烯基丁二酸(T746)、石油磺酸钡(T701)的混合物;
所述抗氧抗腐剂为二苯胺、β-萘酚、2,6-二叔丁基对甲酚中的一种或两种的混合物;
所述高效缓蚀抑制剂为二硫代磷酸盐、亚硝酸钠、硫磷双辛基碱性锌盐、钼酸盐、苯并三氮唑中的两种或三种的混合物;
所述极压抗磨剂为磷酸三甲酚酯、硼酸盐或者它们的混合物;
所述环己烷二羧酸酯100℃运动粘度12.5mm²/s,粘度指数145。
2.一种纳米石墨烯等速万向节专用润滑脂的制备方法,其特征在于:包括以下步骤:
(1)将部分环己烷二羧酸酯充入皂化釜加热至100℃;
(2)将异氰酸酯加入到储油罐中搅拌至融化;
(3)将苯胺、环已胺依次按比重加入到皂化釜中,随后将步骤(2)中的异氰酸酯按比重加入到皂化釜中,升温至141℃;
(4)向皂化釜中加入剩余的环己烷二羧酸酯作为稀释油,并升温至165℃,随后将皂化釜中的混合物料转入调和釜中进行循环剪切,并依次按比重加入纳米石墨烯微粉、粘度指数改进剂、清净剂、防锈剂、抗氧抗腐剂、高效缓蚀抑制剂、极压抗磨剂,搅拌50—60min即可。
3.根据权利要求2所述一种纳米石墨烯等速万向节专用润滑脂的制备方法,其特征在于:所述步骤(4)中稀释油的加入量为10份。
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