极压石墨烯润滑油添加剂的制备与应用

段亚强; 何险峰; 武桐; 张燕萍; 赵志国

doi:10.11949/j.issn.0438-1157.20181010

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极压石墨烯润滑油添加剂的制备与应用

材料化学工程与纳米技术 | 更新时间：2020-06-24

- 极压石墨烯润滑油添加剂的制备与应用
- Preparation and application of graphene lubricant additive with extreme-pressure performance
- 化工学报 2019年70卷第1期页码：360-369
- 作者机构：
  
  上海利物盛企业集团有限公司，上海 201900
- 作者简介：
  
  段亚强（1991—)，男，硕士，duanyaqiang@aliyun.com
- 基金信息：
  
  上海市宝山区科技创新专项资金项目(16-C-15)
- DOI：10.11949/j.issn.0438-1157.20181010
  中图分类号： TH 117.2
- 收稿：2018-09-10，
  
  修回：2018-11-05，
  
  纸质出版：2019-01-05
- 稿件说明：
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段亚强, 何险峰, 武桐, 张燕萍, 赵志国. 极压石墨烯润滑油添加剂的制备与应用[J]. 化工学报, 2019, 70(1): 360-369

DUAN Yaqiang, HE Xianfeng, WU Tong, ZHANG Yanping, ZHAO Zhiguo. Preparation and application of graphene lubricant additive with extreme-pressure performance[J]. CIESC Journal, 2019, 70(1): 360-369
段亚强, 何险峰, 武桐, 张燕萍, 赵志国. 极压石墨烯润滑油添加剂的制备与应用[J]. 化工学报, 2019, 70(1): 360-369 DOI： 10.11949/j.issn.0438-1157.20181010.

DUAN Yaqiang, HE Xianfeng, WU Tong, ZHANG Yanping, ZHAO Zhiguo. Preparation and application of graphene lubricant additive with extreme-pressure performance[J]. CIESC Journal, 2019, 70(1): 360-369 DOI： 10.11949/j.issn.0438-1157.20181010.

摘要

石墨烯是一种具有优异自润滑、力学和热学等特性的新型材料，虽然在润滑油领域具有很好的应用前景，但因其在润滑油中的分散性较差、容易团聚而限制了它的广泛应用。通过在石墨烯表面接枝长链烷烃得到了亲油型改性石墨烯(MGM)，且改进了润滑油添加剂(LOA)的配方以加强润滑油和石墨烯的相互作用、促进石墨烯的稳定分散并协同石墨烯发挥润滑作用，最终得到了具有极佳助润滑性能和稳定分散性的石墨烯润滑油添加剂(MGLOA)。结果表明，MGM和LOA在其它市售润滑油中的最佳添加量分别为0.004%(质量)和5%(质量)，此时润滑油的极压润滑性能能够提高11倍以上，且在应用过程中展现出了很好的降温、降噪和减振作用。

Abstract

Since graphene was discovered

the application of graphene in the field of lubricants had been paid much attention originating from its excellent self-lubrication

mechanical and thermal properties. However

graphene had poor dispersion and easily reunited in oil

which is the key factor limiting the use of graphene in lubricants. To obtain the graphene lubricant additive (MGLOA) with excellent lubrication performance and stable dispersibility

long chain alkanes were grafted on the surfaces of graphene and the oleophilic modified graphene microchip (MGM) was obtained. Otherwise

the formula of lubricant additives (LOA) had been improved to strengthen the interaction between MGM and LOA

which was conducive to further promote the stable dispersion of MGM and showed synergistic lubrication with MGM. The results indicated that the use of MGM and/or LOA can fantastic increase the extreme-pressure lubrication performance of commercial lubricating oils and the optimal amount of MGM and LOA in other lubricants was 0.004 %(mass) and 5%(mass)

respectively. The pressure lubrication performances of lubricating oils with 5%(mass) MGLOA-800 (MGM has a content of 0.08 %(mass) in LOA) were improved more than 11 times process. And in application

the process shows good cooling

noise reduction and vibration reduction.

关键词

Keywords

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