Influence of HLB Parameters of Surfactants on Properties of Magneto-Rheological Fluid

Cheng Bin Du; Wei Qing Chen; Fa Xue Wan

doi:10.4028/www.scientific.net/AMR.97-101.843

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Influence of HLB Parameters of Surfactants on...

Influence of HLB Parameters of Surfactants on Properties of Magneto-Rheological Fluid

Abstract:

The hydrophilic-lipophilic balance (HLB) parameters of surfactants have a significant effect on properties of surfactants and determine the effects of surfactants. The magneto-rheological fluid (MRF) is prepared by using the two typical HLB parameters of surfactants including Polyethylene Glycol and oleic acid in order to improve the property of MRF. Polyethylene Glycol (PEG) whose HLB parameter is 20 has strong hydrophilic. Oleic acid whose HLB parameter is 1 has strong lipophilic. The results indicate that magnetic properties of magnetic particles and rheological properties of MRF can hardly be changed by adding surfactants. The sedimentary stability of MRF adding lipophilic surfactants is superior to that of MRF adding hydrophilic surfactants, and the stability of MRF adding two surfactants increases significantly.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

843-847

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.843

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Online since:

March 2010

Authors:

Cheng Bin Du, Wei Qing Chen, Fa Xue Wan

Keywords:

Magnetic Property, Magnetorheological Fluid (MRF), Sedimentary Stability, Shear Stress, Surfactant

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