Green Ester Lubricants Based on Rapeseed Acid and their Lubricity

De Zhong Liao; Jie Yu He; Li Xin Mao; Yi Xue Xu

doi:10.4028/www.scientific.net/AMR.781-784.988

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 781-784Green Ester Lubricants Based on Rapeseed Acid and...

Green Ester Lubricants Based on Rapeseed Acid and their Lubricity

Abstract:

Several complex esters were synthesized from phthalic anhydride, neopentyl glycol and rapeseed acid. Their rheological properties, biodegradability and tribological properties were measured. It was found that the complex esters have a wide viscosity range of 126~325mm²/s at 40°C with viscosity indices about 127~143, and solidifying points lower than-38°C. The maximum non seizure load of a complex ester with degree of polymerization 1.42 is as high as 735 N, with a wear scar diameter of 0.41mm, superior to mineral oil. The biodegradation rates are higher than 73%, and the thermal stability is good. So these complex esters are a class of green synthetic ester oils with excellent properties.

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Periodical:

Advanced Materials Research (Volumes 781-784)

Pages:

988-992

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.988

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Online since:

September 2013

Authors:

De Zhong Liao, Jie Yu He, Li Xin Mao, Yi Xue Xu

Keywords:

Biodegradable Rate, Complex Ester, Lubricity, Rapeseed Acid

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