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Formulation of bio-lubricant based on modified rice bran oil with stearic acid as an anti-wear additive
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology ( IF 1.6 ) Pub Date : 2020-12-21 , DOI: 10.1177/1350650120977381
Edla Sneha 1 , RB Akhil 2 , Abhijith Krishna 1 , S Rani 1 , S Anoop Kumar 2
Affiliation  

Bio-lubricants are commonly manufactured from vegetable oils. Rice bran oil is found to be an ideal choice as a base stock for industrial lubricants, among many other vegetable oils, based on its fatty acid composition capable of yielding favourable tribological properties. To improve the chemical properties of rice bran oil, chemical modification through transesterification is attempted. Even though transesterified rice bran oil exhibits better chemical properties, the tribological and rheological properties are found to be compromised. The addition of bio-additive stearic acid is found to substantially improve the wear properties of transesterified rice bran oil. A novel bio-lubricant for medium-temperature applications is thus formulated based on rice bran oil.



中文翻译:

以硬脂酸为抗磨添加剂的米糠油为基础的生物润滑剂配方

生物润滑剂通常由植物油制成。基于米糠油的脂肪酸组成能够产生良好的摩擦学性能,发现米糠油是工业润滑剂以及许多其他植物油的基础油的理想选择。为了改善米糠油的化学性质,尝试通过酯交换反应进行化学改性。即使酯交换的米糠油表现出更好的化学性质,也发现其摩擦学和流变性质受到损害。发现添加生物添加剂硬脂酸可以显着改善酯交换米糠油的磨损性能。因此,基于米糠油配制了一种用于中温应用的新型生物润滑剂。

更新日期:2020-12-21
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