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Preparation of Modified Fluorographene Oxide with Interlayer Supporting Structure.

Chengbing Yu¹, Kaiqin Shi¹, Jinyan Ning²

¹School of Materials Science and Engineering, Shanghai University, Shanghai 201800, China.

|September 28, 2021

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Fluorinated graphene oxide modified with p-phenylenediamine prevents agglomeration, maintaining sheet structure. This enhances properties for composite materials and coatings.

Area of Science:

Materials Science
Nanotechnology
Polymer Chemistry

Background:

Fluorinated graphene (FGi) tends to agglomerate, diminishing composite material and coating properties.
Maintaining the sheet-like structure of fluorinated graphene oxide (FGO) is crucial for performance.

Purpose of the Study:

To prepare p-phenylenediamine (PPD)-modified FGO (N-PGO) to prevent agglomeration.
To retain the sheet-like structure of FGO for improved material properties.

Main Methods:

Modification of FGO with PPD via reaction with epoxy groups.
Characterization of N-PGO for structural and compositional analysis.

Main Results:

PPD modification resulted in N-PGO with increased interlayer d-spacing compared to FGO.

Keywords:

amine groups fluorographene oxide interlayer supporting structure p-phenylenediamine reactive modifier

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N-PGO exhibited enhanced stability with even distribution of nitrogen, fluorine, oxygen, and carbon.

PPD acted as an effective spacer, preventing graphene sheet agglomeration.

Conclusions:

PPD is an effective agent for creating anti-agglomeration modified graphene.
The developed N-PGO, containing fluorine, amino, and carbonyl groups, shows promise as a reactive modifier.
N-PGO has potential applications in composite materials and coatings, particularly waterborne epoxy systems.