A magnetic reduced graphene oxide-based composite material, preparation method and application thereof

The magnetically reduced graphene oxide composite material prepared through solvothermal reaction solves the problem of difficult regulation of the expansion of existing materials, realizes its wide application in the field of oil-water separation, and reduces environmental pollution.

CN116139819BActive Publication Date: 2025-03-25NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI
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Patent Information

Application Number
CN202111388656.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-22
Publication Date
2025-03-25
Estimated Expiration
2041-11-22

AI Technical Summary

Technical Problem

The hydrophilicity, number of particle layers and expansion of existing magnetic reducing graphene oxide composite materials are difficult to regulate, which limits its wide application in the field of environmental governance.

Method used

By mixing the graphene oxide material, trivalent iron salt, amine compounds and dispersion solvent evenly, a graphene oxide dispersion liquid is formed, and mixed with the reducing substance for solvothermal reaction, a magnetic reduced graphene oxide-based composite material with controllable expansion is prepared.

Benefits of technology

The magnetically reduced graphene oxide composite material has been realized to control the expansion degree, expand its application range in the fields of oil-water separation and environmental governance, and reduce environmental pollution in the preparation process.

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Abstract

The present invention discloses a magnetic reduced graphene oxide-based composite material, a preparation method and application thereof. The preparation method comprises: providing a graphene oxide material; uniformly mixing the graphene oxide material, a trivalent iron salt, an amine compound and a dispersing solvent to form a graphene oxide dispersion; mixing the graphene oxide dispersion with a reducing substance to obtain a reaction precursor; subjecting the reaction precursor to a solvent thermal reaction to obtain a magnetic reduced graphene oxide-based composite material. The preparation method provided by the present invention can appropriately regulate the expansion degree according to demand, thereby expanding the scope of application, and can obtain graphene oxide composite materials with different hydrophilic and lipophilic properties by regulating the amount of reducing substance added, thereby further expanding the scope of application.
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