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Article

Fabrication of Porous Carbon Films and Their Impact on Carbon/Polypropylene Interfacial Bonding

1
School of Forestry and Wildlife Sciences, Auburn University, 602 Duncan Drive, Auburn, AL 36849, USA
2
Department of Materials Science and Engineering, Clemson University, 161 Sirrine Hall, Clemson, SC 29634, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Jiadeng Zhu
J. Compos. Sci. 2021, 5(4), 108; https://doi.org/10.3390/jcs5040108
Received: 22 March 2021 / Revised: 7 April 2021 / Accepted: 9 April 2021 / Published: 14 April 2021
(This article belongs to the Special Issue Carbon Fiber Composites)
Porous carbon films were generated by thermal treatment of polymer films made from poly(acrylonitrile-co-methyl acrylate)/polyethylene terephthalate (PAN/PET) blend. The precursor films were fabricated by a dip-coating process using PAN/PET solutions in hexafluoro-2-propanol (HFIP). A two-step process, including stabilization and carbonization, was employed to produce the carbon films. PET functioned as a pore former. Specifically, porous carbon films with thicknesses from 0.38–1.83 μm and pore diameters between 0.1–10 μm were obtained. The higher concentrations of PET in the PAN/PET mixture and the higher withdrawal speed during dip-coating caused the formation of larger pores. The thickness of the carbon films can be regulated using the withdrawal speed used in the dip-coating deposition. We determined that the deposition of the porous carbon film on graphite substrate significantly increases the value of the interfacial shear strength between graphite plates and thermoplastic PP. This study has shown the feasibility of fabrication of 3D porous carbon structure on the surface of carbon materials for increasing the interfacial strength. We expect that this approach can be employed for the fabrication of high-performance carbon fiber-thermoplastic composites. View Full-Text
Keywords: carbon-polymer adhesion; mechanical interlocking; PAN; PET; polypropylene; composites carbon-polymer adhesion; mechanical interlocking; PAN; PET; polypropylene; composites
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MDPI and ACS Style

Peng, Y.; Burtovyy, R.; Bordia, R.; Luzinov, I. Fabrication of Porous Carbon Films and Their Impact on Carbon/Polypropylene Interfacial Bonding. J. Compos. Sci. 2021, 5, 108. https://doi.org/10.3390/jcs5040108

AMA Style

Peng Y, Burtovyy R, Bordia R, Luzinov I. Fabrication of Porous Carbon Films and Their Impact on Carbon/Polypropylene Interfacial Bonding. Journal of Composites Science. 2021; 5(4):108. https://doi.org/10.3390/jcs5040108

Chicago/Turabian Style

Peng, Yucheng, Ruslan Burtovyy, Rajendra Bordia, and Igor Luzinov. 2021. "Fabrication of Porous Carbon Films and Their Impact on Carbon/Polypropylene Interfacial Bonding" Journal of Composites Science 5, no. 4: 108. https://doi.org/10.3390/jcs5040108

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