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Influence of New Engine Oil Additives on the Properties of Fluoroelastomers
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Abstract
Fluoroelastmers are well known for their resistance to heat and fluids, and have become major material for crankcase oil seals. On the other hand, new additive formulations are developed for engine lubricants used for fuel economic gasoline engines. In this paper, the effects of those additives on properties of fluoroelastmers are investigated. The results of the immersion tests of both test plaques and oil seal products indicate that dithiocarbamates, friction modifier, have hardening effects on fluoroelastmers. The fluoroelastmer deterioration mechanism is determined by analysis of elastmer samples after immersion in oil.
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Citation
Kurono, K., Akiyama, K., and Shionoya, M., "Influence of New Engine Oil Additives on the Properties of Fluoroelastomers," SAE Technical Paper 982437, 1998, https://doi.org/10.4271/982437.Also In
References
- Akiyama K. et al. “Effects of Lubricant Composition on Fuel Efficiency in Modern Engine,” SAE Paper 951037 1995
- Davies R.E. et al. Lubricant Formulation Effects on Oil Seal Degradation,” SAE Paper 952340 1995
- Nakada M. et al. “A Simulation Test Method for Deterioration of FKM Compounds Engine Crankshaft Oil Seals,” SAE Paper 922373 1992
- Hull D.E. et al. “New Elastomers are More Resistant to Many Automotive Fluids,” SAE Paper 890361 1995
- Grootaert W.M. et al. “A Novel Fluorocarbon Elastomer for High Temperature Sealing Applications in Aggressive Motor-oil Environments,” Rubber Chemistry and Technology 63 1990