Preparation and Property of Hydrophobic Modified Guar Gum Thickener

Ying Su; Yi Ding Shen; Xiao Juan Lai; Xiao Rong Wang

doi:10.4028/www.scientific.net/AMR.631-632.260

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 631-632Preparation and Property of Hydrophobic Modified...

Preparation and Property of Hydrophobic Modified Guar Gum Thickener

Abstract:

The modified guar gum was synthesized with guar gum as material and bromododecane as etherifying agent by suspension polymerization method. The solution and gel of the modified guar gum were also prepared. The structure and the property of the modified guar gum were analysized by Fourier transform infrared spectrum (FT-IR), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The heat resistance and the viscoelasticity modulus of the gel were also researched by rheometer. The results of FT-IR and XRD show that the hydrophobic long chain has been introduced into the guar gum successfully. TGA indicates that the modified guar gum has higher thermal stability. The rheology tests reflect that with different temperature conditions, the shear viscosity, the viscoelasticity modulus of the gel and the heat resistance of the modified guar gum are both better than that of the unmodified guar gum. The modified guar gum can be used as thickener of fracturing fluid, and it can reduce its amount.

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Periodical:

Advanced Materials Research (Volumes 631-632)

Pages:

260-264

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.631-632.260

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Online since:

January 2013

Authors:

Ying Su, Yi Ding Shen, Xiao Juan Lai, Xiao Rong Wang

Keywords:

Guar Gum, Hydrophobic Modified, Low Concentration

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