Effect of Surfactant HLB Value on Settlement Stability of Magnetorheological Fluid - Open Access Library Journal

OALibJ > Vol.5 No.11, November 2018

Effect of Surfactant HLB Value on Settlement Stability of Magnetorheological Fluid ()

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DOI: 10.4236/oalib.1105004 1,179 Downloads 2,646 Views Citations

Author(s)

Yanwen Jiang, Yiping Luo, Hongjuan Ren, Dan Wei

Affiliation(s)

College of Automotive, Shanghai University of Engineering Science, Shanghai, China.

ABSTRACT

The hydrophilic-hydrophobic balance (HLB) of surfactants has a great influ-ence on surfactants. Among them, polyethylene glycol has an HLB value of 20 and is highly hydrophilic; oleic acid has an HLB value of 1, which is very lipophilic; and sodium dodecylbenzenesulfonate has an HLB value of 10.6 be-tween the two. This paper explores the use of these three surfactants with typi-cal HLB values to improve the performance of magnetorheological fluids, mainly to study its effect on the stability of magnetorheological fluids. Tests have shown that the use of lipophilic surfactants in oil-based magnetorheologi-cal fluids has better sedimentation stability than the use of hydrophilic surfac-tants.

KEYWORDS

Magnetorheological Fluid, Surfactant, Sedimentation Stability, HLB Value

Share and Cite:

Jiang, Y. , Luo, Y. , Ren, H. and Wei, D. (2018) Effect of Surfactant HLB Value on Settlement Stability of Magnetorheological Fluid. Open Access Library Journal, 5, 1-6. doi: 10.4236/oalib.1105004.

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