Dispersity of hydrophilic functional graphene and its impact on mechanical properties of cement based composites

YU Dongsheng; FU Fang; JIA Tiekun; LI Jili; TAPAS Kuila; LUO Xue; TIAN Xinsheng; ZHANG Huijun; ZHOU Jiazuo; LIU Junmeng; LONG Weiyun; CHEN Huan

doi:10.13801/j.cnki.fhclxb.20200710.002

Volume 38 Issue 2

Feb. 2021

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YU Dongsheng, FU Fang, JIA Tiekun, et al. Dispersity of hydrophilic functional graphene and its impact on mechanical properties of cement based composites[J]. Acta Materiae Compositae Sinica, 2021, 38(2): 622-629. doi: 10.13801/j.cnki.fhclxb.20200710.002

Citation:

YU Dongsheng, FU Fang, JIA Tiekun, et al. Dispersity of hydrophilic functional graphene and its impact on mechanical properties of cement based composites[J]. Acta Materiae Compositae Sinica, 2021, 38(2): 622-629. doi: 10.13801/j.cnki.fhclxb.20200710.002

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Dispersity of hydrophilic functional graphene and its impact on mechanical properties of cement based composites

doi: 10.13801/j.cnki.fhclxb.20200710.002

YU Dongsheng^{1
,
,},
FU Fang^{1
,
,},
JIA Tiekun^1
,,
LI Jili^1
,,
TAPAS Kuila²,
LUO Xue^1
,,
TIAN Xinsheng^1
,,
ZHANG Huijun^1
,,
ZHOU Jiazuo^1
,,
LIU Junmeng^1
,,
LONG Weiyun^1
,,
CHEN Huan^1
,

1.
School of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China
2.
Surface Engineering & Tribology Division, CSIR Central Mechanical Engineering Research Institute, Durgapur 713209, India

Received Date: 2020-04-27
Accepted Date: 2020-06-28

Available Online: 2020-07-10

Publish Date: 2021-02-15

Abstract

Abstract

A novel water dispersible functional graphene (FG) was synthesized by the reaction of graphene oxide (GO) with an aryl diazonium salt (F) to solve the problem of uniformly dispersity of graphene nanosheets in the cement matrix. The maximum dispersibility of FG in water is 2.1 mg/mL. The successful surface modification of graphene using F was revealed by FTIR, Raman and XPS, respectively. Compared with the pure cement materials, the 28 days flexural strength and the compressive strength of the hydrophilic FG/cement composites are increased by 95.3% and 78.3%. The FG is uniformly dispersed in the cement matrix and the mechanical properties of the hydrophilic FG/cement composites are improved by the functional reaction between graphene and F.
- functional graphene,
- cement,
- flexural strength,
- compressive strength
Long Abstrsct
Innovation Points

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References(27)

References

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