阅读说明：本技术 纳米材料改性润滑油 (Nano material modified lubricating oil ) 是由 王自耕 赵健 于 2019-11-12 设计创作，主要内容包括：氮化硼是一种独特的二维纳米材料,类似于石墨的层状结构使他具有优异的润滑性能。氮化硼作为润滑油润滑减磨剂拥有很大的发展潜力。但氮化硼在基础油内易发生抱团沉淀的问题影响着最终产品的性能。因此,我们利用一种十八胺与氮化硼发生络合反应对氮化硼表面接枝改性的方法改善氮化硼在润滑油基础油中的分散性。本发明确定了改性氮化硼所需的用量,以及生产最终产品所需工艺。测试结果表明,改性氮化硼可以在基础油中均匀的分散。最终产品可以有效降低金属构件之间的滑动摩擦系数,且使得金属表面磨损情况有效的改善。(Boron nitride is a unique two-dimensional nano material, and a graphite-like layered structure enables the boron nitride to have excellent lubricating performance. Boron nitride has great development potential as a lubricating oil lubricating anti-friction agent. However, the performance of the final product is affected by the problem that the boron nitride is easy to agglomerate and precipitate in the base oil. Therefore, the method for grafting and modifying the surface of the boron nitride by using the complexing reaction of the octadecylamine and the boron nitride is used for improving the dispersibility of the boron nitride in the lubricating oil base oil. The invention determines the amount of boron nitride needed for modification and the process needed for producing the final product. The test results show that the modified boron nitride can be uniformly dispersed in the base oil. The final product can effectively reduce the sliding friction coefficient between metal components, and effectively improve the abrasion condition of the metal surface.)

1. The invention provides an experimental step for preparing nano material modified lubricating oil by using surface modified nano material boron nitride

Firstly, preparing the surface modified nanometer boron nitride.

(1) According to the following steps of 1: 10 weight ratio of hexagonal boron nitride to octadecylamine

(2) The well mixed mixture was placed under nitrogen and the mixture was heated in an oil bath at 160 degrees celsius. The time is about 96h

(3) After the heating process was completed, the nitrogen atmosphere was removed, and the mixture was allowed to cool naturally to room temperature. The mixture was washed with tetrahydrofuran to make a suspension. The particle size of the boron nitride used is referenced and filtered with a filter membrane and rinsed two to three times with tetrahydrofuran. And (4) placing the filtered boron nitride in an oven for drying at the temperature of 60 ℃ for 12 hours. Thus obtaining the two-dimensional nano boron nitride with the surface modified by octadecylamine

Secondly, preparing the nano material modified lubricating oil

(1) Mixing the surface modified boron nitride and the olefin lubricating oil base oil according to the weight ratio of 4: 100, and mixing.

(2) And (4) carrying out ultrasonic treatment on the mixed lubricating oil to ensure that the lubricating oil is uniformly dispersed.

Thirdly, analyzing and discussing the characterization results

(1) Unmodified boron nitride was mixed with the lubricant base oil in the same ratio as the control. 1. The control group and the modified lubricating oil of the same weight were centrifuged at 300g for 10 min.

(2) The control group after the centrifugal treatment has obvious precipitation phenomenon, and the modified boron nitride group still presents a uniform dispersion state. Therefore, boron nitride modified with octadecylamine can be dispersed well in the base oil.

Description of the drawings

FIG. 1 shows that the total synthetic olefin lubricating oil is a base oil sample added with nano materials. Attached figure 2 is a sample of boron nitride modified with octadecylamine added in three percent, namely nano material modified lubricating oil.

Fifth, detailed description of the invention

The following describes embodiments of the present invention.