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Polymers
Volume 9
Issue 6
10.3390/polym9060193
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Article

N,N-Dimethylformamide (DMF) Usage in Epoxy/Graphene Nanocomposites: Problems Associated with Reaggregation

by
Jiacheng Wei
,
Mohd Shahneel Saharudin
,
Thuc Vo
and
Fawad Inam
*
Faculty of Engineering and Environment, Department of Mechanical and Construction Engineering, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
*
Author to whom correspondence should be addressed.
Polymers 2017, 9(6), 193; https://doi.org/10.3390/polym9060193
Submission received: 21 April 2017 / Revised: 20 May 2017 / Accepted: 24 May 2017 / Published: 27 May 2017
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Abstract

DMF is one the most commonly-used solvents for preparing graphene nanocomposites. Various processing variables for DMF are being used for the preparation of epoxy/graphene nanocomposites. Whilst the emphasis of all of these reported studies are on the improvements in mechanical, and other properties, of the epoxy/graphene nanocomposites, there is no study investigating how DMF affects the processing and how it is associated with the final properties of the nanocomposites. In this work, different dosages of DMF have been used to prepare nanocomposites. Mechanical testing, X-ray diffraction (XRD), dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM) have been used to analyze the effectiveness of DMF dosage on the properties of processed nanocomposites. Larger dosages of DMF are not always ideal for dispersing graphene as it promotes reaggregation of graphene during the processing.
Keywords: N,N-dimethylformamide (DMF); epoxy; graphene; reaggregation; nanocomposites N,N-dimethylformamide (DMF); epoxy; graphene; reaggregation; nanocomposites

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MDPI and ACS Style

Wei, J.; Saharudin, M.S.; Vo, T.; Inam, F. N,N-Dimethylformamide (DMF) Usage in Epoxy/Graphene Nanocomposites: Problems Associated with Reaggregation. Polymers 2017, 9, 193. https://doi.org/10.3390/polym9060193

AMA Style

Wei J, Saharudin MS, Vo T, Inam F. N,N-Dimethylformamide (DMF) Usage in Epoxy/Graphene Nanocomposites: Problems Associated with Reaggregation. Polymers. 2017; 9(6):193. https://doi.org/10.3390/polym9060193

Chicago/Turabian Style

Wei, Jiacheng, Mohd Shahneel Saharudin, Thuc Vo, and Fawad Inam. 2017. "N,N-Dimethylformamide (DMF) Usage in Epoxy/Graphene Nanocomposites: Problems Associated with Reaggregation" Polymers 9, no. 6: 193. https://doi.org/10.3390/polym9060193

APA Style

Wei, J., Saharudin, M. S., Vo, T., & Inam, F. (2017). N,N-Dimethylformamide (DMF) Usage in Epoxy/Graphene Nanocomposites: Problems Associated with Reaggregation. Polymers, 9(6), 193. https://doi.org/10.3390/polym9060193

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