Investigation on Dispersion of Graphene Oxide in Cement Composite Using Gum Arabic

SONG Qiao; WU Lei; ZHANG Hongjiang

doi:10.13204/j.gyjzG22112903

Volume 53 Issue 5

May 2023

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SONG Qiao, WU Lei, ZHANG Hongjiang. Investigation on Dispersion of Graphene Oxide in Cement Composite Using Gum Arabic[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 174-178. doi: 10.13204/j.gyjzG22112903

Citation:

SONG Qiao, WU Lei, ZHANG Hongjiang. Investigation on Dispersion of Graphene Oxide in Cement Composite Using Gum Arabic[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 174-178. doi: 10.13204/j.gyjzG22112903

SONG Qiao, WU Lei, ZHANG Hongjiang. Investigation on Dispersion of Graphene Oxide in Cement Composite Using Gum Arabic[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 174-178. doi: 10.13204/j.gyjzG22112903

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Investigation on Dispersion of Graphene Oxide in Cement Composite Using Gum Arabic

doi: 10.13204/j.gyjzG22112903

1. Department of Civil Engineering, Henan Technical College of Construction, Zhengzhou 450064, China;
2. CCCC Second Harbor Engineering Co., Ltd., Wuhan 430040, China;
3. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

Received Date: 2022-11-29

Abstract

Abstract

Graphene oxide (GO) has been shown to significantly improve the mechanical properties of cement composites, and the dispersity of GO is a key factor affecting the performance enhancement of composites. In this paper, gum arabic (GA) was used as dispersant, the dispersion stability of GO in different solutions was analyzed by optical microscope, ultraviolet spectrophotometer (UV-vis) and transmission electron microscope (TEM), and cement composites were prepared. The results showed that high alkalinity and calcium ions were key factors inducing the agglomeration of GO in cement. The addition of GA could ensure the stable dispersion of GO in the cement simulated pore solution. The 28 d flexural and compressive strengths of 0.03%GO cement composites doped with GA increase by 24.85% and 42.11%, respectively. The morphological analysis showed that GO treated with GA promoted the formation of rod-like crystals inside the cement and enhanced the structural compactness. Therefore, this dispersion route could be successfully used for the preparation of GO reinforced cement composites.
- graphene oxide,
- gum arabic,
- cement,
- dispersion,
- simulated pore solution

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References(14)

References

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