本文選題：介孔硅納米微粒 + 抗氧協(xié)同作用　； 參考：《河南大學》2015年碩士論文

【摘要】：本文研究了介孔硅納米微粒作為酯類油添加劑的主要研究內容和結果如下:1)介孔硅納米微粒的合成及結構表征以硅酸四乙酯為前驅體、十六烷基三甲基溴化銨為模板劑、三乙醇胺為催化劑,合成制備了介孔硅納米微粒,并選擇醇洗法去除模板劑。并采用多種現(xiàn)代測試手段對所得樣品進行結構和性能表征:用透射電子顯微鏡表征介孔硅納米材料的形貌、粒徑;用X-射線粉末衍射儀對其物相進行分析,確定樣品的結晶狀態(tài);用氮氣吸附脫附分析表征了所得樣品的孔結構、比表面積及孔徑分布。結果表明,得到的介孔硅納米微粒呈現(xiàn)球形,粒徑為30nm左右,介孔結構呈現(xiàn)無序性,比表面積為112m2/g。2)介孔硅納米顆�？寡趸阅苎芯坎捎眯D氧彈測試、差示掃描量熱分析、燒瓶氧化等方法測試了介孔硅納米微粒作為酯類油添加劑的抗氧性能,結果表明,所制備的介孔硅納米微粒未體現(xiàn)出抗氧效果,但卻可以在一定程度上抑制氧化油品的顏色變化程度。3)介孔硅納米微粒與傳統(tǒng)抗氧劑的協(xié)同作用研究采用旋轉氧彈測試、差示掃描量熱分析、烘箱氧化等方法測試了介孔硅納米微粒與傳統(tǒng)抗氧劑的協(xié)同抗氧作用。結果表明,所制備的介孔硅納米微粒與傳統(tǒng)抗氧劑T512以及T203起到了一定的抗氧協(xié)同作用。4)介孔硅納米微粒的摩擦學性能研究采用四球摩擦磨損試驗機考察了介孔硅納米微粒作為癸二酸二異辛酯(Dios)、偏苯三酸酯(1938)以及三羥甲基丙烷油酸酯(1427)三種酯類油基礎油的抗磨添加劑時,添加濃度和載荷對其抗磨減摩性能的影響。結果表明,所制備的介孔硅納米微粒在三種酯類油分散性一般,對其潤滑性能沒有壞影響的條件下,在一定程度上改善其抗磨性能。
[Abstract]:The main contents and results of mesoporous silica nanoparticles as oil additive are as follows: 1) synthesis and structural characterization of mesoporous silica nanoparticles were synthesized by four ethyl silicate as precursor, sixteen alkyl three methyl ammonium bromide as a template and triethanolamine as a catalyst. The structure and properties of the samples were characterized by a variety of modern testing methods. The morphology and particle size of mesoporous silicon nanomaterials were characterized by transmission electron microscopy. The phase of the samples was analyzed by X- ray powder diffractometer, and the crystalline state of the samples was determined. The pore structure of the samples was characterized by nitrogen adsorption desorption analysis. The results show that the mesoporous silica nanoparticles are spherical, the particle size is about 30nm, the mesoporous structure is out of order and the surface area is 112m2/g.2). The study of the oxidation resistance of mesoporous silicon nanoparticles by the rotating oxygen bomb test, differential scanning calorimetry, and the flask oxidation test the mesoporous silicon nanomicro. The results show that the prepared mesoporous silica nanoparticles do not show the effect of oxygen resistance, but they can inhibit the color change degree.3 of the oxidizing oil to a certain extent. The synergistic effect of the mesoporous silica nanoparticles and the traditional antioxidants is studied by rotating oxygen bomb test, differential scanning calorimetry analysis and baking. The synergistic anti oxygen effect of mesoporous silica nanoparticles and the traditional antioxidants was tested by box oxidation. The results showed that the mesoporous silica nanoparticles and the traditional antioxidant T512 and T203 had a certain antioxygen synergism.4) the tribological properties of mesoporous silica nanoparticles were investigated by four ball friction and wear tester. As the antiwear additive of two isooctyl sebacate (Dios), dichlorotriate (1938) and three hydroxymethyl propane oleate (1427) oil base oil, silicon nanoparticles add concentration and load to its antiwear and antifriction properties. The results show that the prepared mesoporous silica nanoparticles are dispersed in three kinds of ester oils and run on them. Under the condition that the slip property has no bad effect, the wear resistance is improved to a certain extent.

【學位授予單位】：河南大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TQ127.2;TE626.9

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