CN109233941A - 一种球形纳米石墨烯润滑油及其制备方法 - Google Patents

一种球形纳米石墨烯润滑油及其制备方法 Download PDF

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CN109233941A
CN109233941A CN201811272931.1A CN201811272931A CN109233941A CN 109233941 A CN109233941 A CN 109233941A CN 201811272931 A CN201811272931 A CN 201811272931A CN 109233941 A CN109233941 A CN 109233941A
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ball shaped
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康武丽
连金杯
丁立
张仲才
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Sichuan Carbon World Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/182—Graphene
    • C01B32/194—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure

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Abstract

本发明公开了一种采用纳米球形石墨烯和硼化聚异丁烯双丁二酰亚胺来降低润滑油的摩擦系数，增加润滑油的抗磨性能的球形石墨烯润滑油。经过摩擦学测试，可使改性润滑油较基础油的摩擦系数下降43％，磨斑直径下降20％。

Description

一种球形纳米石墨烯润滑油及其制备方法
技术领域
本发明属于润滑剂制造领域，尤其涉及一种采用纳米球形石墨烯和硼化聚异丁烯双丁二酰亚胺来降低润滑油的摩擦系数，增加润滑油的抗磨性能的球形石墨烯润滑油。
背景技术
材料表面与界面的摩擦会损耗大量的机械能，而磨损则是机械零件失效的一个重要原因。每年由于摩擦造成机械零件失效的经济损失占世界1/3的一次性能源。如何减少摩擦磨损造成的经济损失是一个重大社会经济效益的课题。
在机械运动过程中，润滑油起到降低摩擦、减小磨损、冷却降温、防止腐蚀、绝缘、清洗、密封的作用，是机械运转的血液。而润滑油添加剂是润滑油的关键部分，可以弥补基础油的不足，极大改善润滑油的性能。随着纳米技术的发展，将纳米粒子经过表面修饰用于润滑油添加剂。研究发现，添加纳米粒子润滑油的极压性能有了很大的提高，而且还可以明显的降低摩擦系数。
石墨烯作为润滑剂代替传统的润滑剂，是利用固体物化性质受温度、压力变化影响较小的特点，将石墨烯添加到润滑油中，发挥其纳米材料特有的物化性能，在润滑油中起到承压骨架的作用，石墨烯可部分渗到摩擦金属表面，改变表面结构，使其硬度发生变化，提高抗氧化、抗腐蚀及抗磨性能。未渗入金属表面的石墨烯填充在摩擦表面的凹凸处，提高摩擦面的承载面积，以降低摩擦系数，提高承压能力。
发明内容
本发明所要解决的技术问题是采用纳米球形石墨烯和硼化聚异丁烯双丁二酰亚胺来降低润滑油的摩擦系数，增加润滑油的抗磨性能。
为解决上述问题，本发明的技术方案是：
一种球形纳米石墨烯润滑油的制备方法，步骤如下：
1)对纳米石墨烯进行改性；
2)在带有搅拌器、温度计和循环装置的反应釜中，在80摄氏度下加入基础油，不断搅拌、循环；缓慢加入步骤1)得到的纳米球形石墨烯，待纳米球形石墨烯充分分散；
3)加入质量比为0.01％-10％的硼化聚异丁烯双丁二酰亚胺、质量比为0.01～2％复合型的硬脂酸钠和皂角乳化剂和质量比为0.01～1％抗氧化剂烷基二苯胺充分搅拌循环反应。
进一步的，所述步骤1)包括，
a)将球形纳米石墨烯在混酸中恒温超声2h，之后反复采用高纯去离子水冲洗、过滤，直至pH为7，最后恒温干燥；
b)将步骤a)得到球形纳米石墨烯在添加0.01％-3％分散剂氢化苯乙烯-双烯共聚物(HSD)的石油醚溶剂进行声波进行分散，分散后去除溶剂油，得到改性的纳米球形石墨烯。
进一步的，所述步骤a)中混酸为体积比V(浓硫酸)∶V(浓硝酸)＝3∶1的混酸，其中浓硫酸和浓硝酸的浓度质量分数分别为98％与70％。
进一步的，所述恒温的温度为60°。
进一步的，所述步骤3)还包括，超声分散20min步骤。
一种球形纳米石墨烯润滑油，以总质量百分数为100％计，包括质量比为0.01％-5％的改性后的球形石墨烯，质量比为0.01％-10％的分散剂硼化聚异丁烯双丁二酰亚胺(BPD)，质量比为0.01～2％乳化剂，质量比为0.01～1％抗氧化剂烷基二苯胺和余量的基础油。
本发明的有益效果：将纳米球形石墨烯分散于润滑油中，获得球形石墨烯改性润滑油，经过摩擦学测试，可使改性润滑油较基础油的摩擦系数下降43％，磨斑直径下降20％。
具体实施方式
下面结合具体的实施例对本发明作进一步的阐述。
1、一种球形纳米石墨烯润滑油的制备方法，
步骤如下：
1)将球形纳米石墨烯在混酸(混酸为体积比V(浓硫酸)∶V(浓硝酸)＝3∶1的混酸，其中浓硫酸和浓硝酸的浓度质量分数分别为98％与70％。)中恒温60°超声2h，之后反复采用高纯去离子水冲洗、过滤，直至pH为7，最后恒温干燥；将上述步骤得到球形纳米石墨烯在添加0.01％-3％分散剂氢化苯乙烯-双烯共聚物(HSD)的石油醚溶剂进行声波进行分散，分散后去除溶剂油，得到改性的纳米球形石墨烯。
2)在带有搅拌器、温度计和循环装置的反应釜中，在80摄氏度下加入基础油，不断搅拌、循环；缓慢加入步骤1)得到的纳米球形石墨烯，待纳米球形石墨烯充分分散；
3)加入质量比为0.01％-10％的硼化聚异丁烯双丁二酰亚胺、质量比为0.01～2％复合型的硬脂酸钠和皂角乳化剂和质量比为0.01～1％抗氧化剂烷基二苯胺，然后进行超声分散20min，再充分搅拌，得到含不同质量分数(最优效果的质量分数石墨烯含量0.04％，BPD5％，乳化剂1％，抗氧化剂烷基二苯胺0.5％)球形石墨烯和硼化聚异丁烯双丁二酰亚胺含量的润滑油。
一种球形纳米石墨烯润滑油，以总质量百分数为100％计，包括质量比为0.01％-5％的改性后的球形石墨烯，质量比为0.01％-10％的分散剂硼化聚异丁烯双丁二酰亚胺(BPD)，质量比为0.01～2％乳化剂，质量比为0.01～1％抗氧化剂烷基二苯胺和余量的基础油。
本领域的普通技术人员将会意识到，这里所述的实施例是为了帮助读者理解本发明的原理，应被理解为本发明的保护范围并不局限于这样的特别陈述和实施例。本领域的普通技术人员可以根据本发明公开的这些技术启示做出各种不脱离本发明实质的其它各种具体变形和组合，这些变形和组合仍然在本发明的保护范围内。

Claims (6)

1.一种球形纳米石墨烯润滑油的制备方法，其特征在于：
步骤如下：
1)对纳米石墨烯进行改性；
2)在带有搅拌器、温度计和循环装置的反应釜中，在80摄氏度下加入基础油，不断搅拌、循环；缓慢加入步骤1)得到的纳米球形石墨烯，待纳米球形石墨烯充分分散；
3)加入质量比为0.01％-10％的硼化聚异丁烯双丁二酰亚胺、质量比为0.01～2％复合型的硬脂酸钠和皂角乳化剂和质量比为0.01～1％抗氧化剂烷基二苯胺充分搅拌循环反应。
2.根据权利要求1所述的球形纳米石墨烯润滑油的制备方法，其特征在于：所述步骤1)包括，
a)将球形纳米石墨烯在混酸中恒温超声2h，之后反复采用高纯去离子水冲洗、过滤，直至pH为7，最后恒温干燥；
b)将步骤a)得到球形纳米石墨烯在添加0.01％-3％分散剂氢化苯乙烯-双烯共聚物(HSD)的石油醚溶剂进行声波进行分散，分散后去除溶剂油，得到改性的纳米球形石墨烯。
3.根据权利要求2所述的球形纳米石墨烯润滑油的制备方法，其特征在于：所述步骤a)中混酸为体积比V(浓硫酸)∶V(浓硝酸)＝3∶1的混酸，其中浓硫酸和浓硝酸的浓度质量分数分别为98％与70％。
4.根据权利要求2所述的球形纳米石墨烯润滑油的制备方法，其特征在于：所述恒温的温度为60°。
5.根据权利要求1所述的球形纳米石墨烯润滑油的制备方法，其特征在于：所述步骤3)还包括，超声分散20min步骤。
6.一种球形纳米石墨烯润滑油，其特征在于：以总质量百分数为100％计，包括质量比为0.01％-5％的改性后的球形石墨烯，质量比为0.01％-10％的分散剂硼化聚异丁烯双丁二酰亚胺(BPD)，质量比为0.01～2％乳化剂，质量比为0.01～1％抗氧化剂烷基二苯胺和余量的基础油。
CN201811272931.1A 2018-10-26 2018-10-26 一种球形纳米石墨烯润滑油及其制备方法 Pending CN109233941A (zh)

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Application publication date: 20190118