研究目的
Investigating the use of phenol-formaldehyde resin as a reactive surfactant for the preparation of highly concentrated dispersions of graphene nanoplatelets to produce nanocomposites with improved properties.
研究成果
The use of phenol-formaldehyde resin as a surfactant allows for the production of highly concentrated and stable dispersions of graphene nanoplatelets, facilitating the synthesis of nanocomposites with improved mechanical and electrical properties. The resulting mesoporous carbon/GNPs composite has a high specific surface area, making it suitable for use in supercapacitors and as an adsorbent.
研究不足
The study is limited to the use of phenol-formaldehyde resin as a surfactant and its effectiveness in producing highly concentrated dispersions of GNPs. The scalability of the method for industrial production and the environmental impact of using PFR are not discussed.
1：Experimental Design and Method Selection:
The study focuses on using phenol-formaldehyde resin (PFR) as a reactive surfactant for graphene nanoplatelets (GNPs) dispersion. The methodology includes ultrasonic exfoliation of intercalated graphite in the presence of PFR.
2：Sample Selection and Data Sources:
GNPs were produced by exfoliation of intercalated graphite. PFR was used as a surfactant.
3：List of Experimental Equipment and Materials:
IL-10 ultrasound device, Phenotam GR-326 resol-type phenol-formaldehyde resin, Neon-40 two-beam scanning electron microscope, JEM-2010 transmission electron microscope, KFK-3 photoelectric colorimeter.
4：Experimental Procedures and Operational Workflow:
GNPs were dispersed in water using ultrasound in the presence of PFR. The stability of dispersions was assessed by optical microscopy and electron microscopy.
5：Data Analysis Methods:
The degree of graphite exfoliation was estimated from the optical density of the dispersions.
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