Preparation and dielectric and mechanical properties of fluorine-functionalized graphene oxide/polyimide nanocomposites

XING Rui-guang; ZHUANG Xiao-xu; WANG Bo; LI Ya-nan; ZHANG Bang-wen

doi:10.19869/j.ncm.1007-8827.20180129

Volume 35 Issue 6

Dec. 2020

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Article Navigation > New Carbon Mater. > 2020 > 35(6): 769-775

XING Rui-guang, ZHUANG Xiao-xu, WANG Bo, LI Ya-nan, ZHANG Bang-wen. Preparation and dielectric and mechanical properties of fluorine-functionalized graphene oxide/polyimide nanocomposites. New Carbon Mater., 2020, 35(6): 769-775. doi: 10.19869/j.ncm.1007-8827.20180129

Citation:

XING Rui-guang, ZHUANG Xiao-xu, WANG Bo, LI Ya-nan, ZHANG Bang-wen. Preparation and dielectric and mechanical properties of fluorine-functionalized graphene oxide/polyimide nanocomposites. New Carbon Mater., 2020, 35(6): 769-775. doi: 10.19869/j.ncm.1007-8827.20180129

Citation:

XING Rui-guang, ZHUANG Xiao-xu, WANG Bo, LI Ya-nan, ZHANG Bang-wen. Preparation and dielectric and mechanical properties of fluorine-functionalized graphene oxide/polyimide nanocomposites. New Carbon Mater., 2020, 35(6): 769-775. doi: 10.19869/j.ncm.1007-8827.20180129

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Preparation and dielectric and mechanical properties of fluorine-functionalized graphene oxide/polyimide nanocomposites

doi: 10.19869/j.ncm.1007-8827.20180129

College of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014000, China

Funds: Natural Science Foundation of Inner Mongolia Autonomous Region (2018LH05020, 2018LH02003).

Received Date: 2018-09-19
Rev Recd Date: 2019-05-24
Publish Date: 2020-12-31

Abstract

Abstract

Fluorine-functionalized graphene oxide was obtained by reacting pentafluoroaniline with graphene oxide. Fluorine-functionalized graphene oxide/polyimide nanocomposites were prepared by an in-situ polymerization method using 4,4-diaminodiphenyl ether and pyromellitic dianhydride as the monomers and N,N-dimethylacetamide as the dispersing solvent. The dielectric constant and mechanical properties of the nanocomposites were investigated. Results indicate that when the fluorine-functionalized graphene oxide content is increased from 0 to 2 wt%, the dielectric constant of the nanocomposite decreases from 3.61 to 2.8 and the tensile strength increases from 11.75 to 14.2 MPa.
- Graphene oxide,
- Polyimide,
- Composite,
- Dielectric properties,
- Mechanical properties

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References(31)

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