The antioxidation properties of methylene bis(di-n-butyldithiocarbamate) (V 7723) - and tolutriazole derivative (V 887) - containing poly-a-olefin (PAO)-derived lubricants were evaluated by differential scanning calorimetry (DSC) and modified penn state micro-oxidation test (PMOT). DSC test measures incipient oxidation temperature (OT) and oxidation induction time (IT) of the lubricant at high temperatures and the oxidation stability of oil weight loss is measured by PMOT test. DSC test shows that OT and IT of V 7723-containing PAO were improved significantly by V 887 addition. PMOT test indicates that when combining with V 7723 antioxidants, V 887 can also effectively reduce the increase in weight loss of PAO. In addition, FTIR results from PMOT test confirm that addition of V 887 can significantly enhance the oxidation induction time of oils. These results suggest that the V 7723 shows a good oxidative synergism with V 887 antioxidant.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Study on Antioxidation Properties of the Complex of Dithiocarbamate With Tolutriazole Antioxidant
Yi Zhang,
Yi Zhang
Air Force Engineering University, Xi’an, China
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Yan Luo,
Yan Luo
Air Force Equipment Academy, Beijing, China
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Jian-Qiang Hu,
Jian-Qiang Hu
Xuzhou Air Force College, Xuzhou, China
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Tao Zhang,
Tao Zhang
Xuzhou Air Force College, Xuzhou, China
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Yun-Yun Xu
Yun-Yun Xu
Xuzhou Air Force College, Xuzhou, China
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Yi Zhang
Air Force Engineering University, Xi’an, China
Yan Luo
Air Force Equipment Academy, Beijing, China
Jian-Qiang Hu
Xuzhou Air Force College, Xuzhou, China
Tao Zhang
Xuzhou Air Force College, Xuzhou, China
Yun-Yun Xu
Xuzhou Air Force College, Xuzhou, China
Paper No:
IJTC2007-44020, pp. 67-69; 3 pages
Published Online:
March 23, 2009
Citation
Zhang, Y, Luo, Y, Hu, J, Zhang, T, & Xu, Y. "Study on Antioxidation Properties of the Complex of Dithiocarbamate With Tolutriazole Antioxidant." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 67-69. ASME. https://doi.org/10.1115/IJTC2007-44020
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