Experimental assessment of tio2-poe nanolubricant stability and optimization process using one factor at a time (OFAT) based on response surface methodology

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2023-04-18 DOI:10.18186/thermal.1285208

Agus Nugroho, R. Mamat, Zhang BO1, Wan HAMZAH AZMI, T. Yusaf, F. Khoerunnisa

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Abstract

This paper aims to elaborate on the results of the experimental assessment of the stability of TiO2-Polyester (POE) nanolubricant. There are six samples in this investigation, with each concentration of 0.02 vol%. The TiO2 nanoparticles were dispersed into synthetic lubricant POE for 30 min using a magnetic stirrer. Then, the samples were sonicated for 0, 40, 60, 80, 100, and 120 min, respectively—the visual observation for 720 hours, UV visible spectrophotometry, and absolute zeta potential employed to investigate the samples. After data acquisition, optimization with one factor at a time (OFAT) is applied to determine the most optimum sample. The results show that the sample with sonication treatment for 120 min is the most optimum. This finding was confirmed by the absorbance ratio value of 0.95 with an -80.48mV zeta potential. The output of ANOVA analysis shows the regression coefficient is 0.9999, and the adjusted R2 value is 0.9998 with a p-value that is much smaller than 0.05, which is

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基于响应面法的一因素一次法（OFAT）对tio2-poe纳米润滑剂稳定性和优化过程的实验评估

本文旨在阐述二氧化钛-聚酯(POE)纳米润滑剂稳定性的实验评估结果。本研究共有6个样品，每个样品的浓度为0.02 vol%。将TiO2纳米粒子分散到合成润滑油POE中，用磁力搅拌器搅拌30 min。然后分别超声处理0、40、60、80、100、120 min，目视观察720 h，采用紫外可见分光光度法和zeta绝对电位法对样品进行考察。数据采集完成后，采用单因素优化法(OFAT)确定最优样本。结果表明，超声处理120 min的样品效果最佳。吸收比为0.95,zeta电位为-80.48mV，证实了这一发现。方差分析的输出显示回归系数为0.9999，调整后的R2值为0.9998,p值远小于0.05，即

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.