Enhancement of oxidative stability and cold flow properties of coconut oil using natural antioxidant additives for development of bio-lubricant

被引：14
作者：
Kumar, S. Anoop [1 ]
Suresh, Gautham [1 ]
Hariprasad, V [1 ]
Deepak, G. S. [1 ]
Akhil, P. S. [1 ]
机构：
[1] Sree Chitra Thirunal Coll Engn, Dept Mech Engn, Thiruvananthapuram, Kerala, India
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2021年 / 235卷 / 04期
关键词：
Coconut oil; natural additive; essential oil; oxidative stability; pour point; VEGETABLE-OIL; BLACK PEPPER; PERFORMANCE; EXTRACTION;
D O I：
10.1177/1350650120925587
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Coconut oil is less preferred for lubrication purposes, particularly, in high-temperature applications, due to their low thermal stability. Chemical additives for improvements tend to make coconut oil less bio-sustainable and more hazardous. Using natural antioxidants for enhancing oxidative stability has been successfully implemented in food industry. The present study investigates the application of three natural additives - ginger, black pepper and garlic, as possible substitutes for chemical additives in enhancing lubrication properties of coconut oil. In addition to enhancing thermal stability, these natural additives mixed in small proportions could help bring down pour point of coconut oil. Adding traces of food additive, propylene glycol, lubricant samples showed impressive performance in terms of viscosity, friction and wear.
引用
收藏
页码：758 / 764
页数：7
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