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HomeKey Engineering MaterialsKey Engineering Materials Vol. 932Assessing the Potential of Upcycling Waste...

Assessing the Potential of Upcycling Waste Plastics into Mechanically Strong Water-Resistant Thermal Insulation Carbon Foam via Chemical Blowing Method and Low Temperature Carbonization

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Abstract:

This work presents the recyclability of waste plastics into mechanically strong water-resistant carbon foam by chemical blowing method and low-temperature carbonization. Waste polystyrene (PS) was used as a precursor. The synthetic carbon foam (CF) was characterized using scanning electron microscope (SEM), transmission electron microscope (TEM), energy dispersion X-ray spectroscopy (EDX), C-H-N-S elemental analyzer, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermal constants analyzer and universal compression tester. The synthesized carbon foam exhibits a low density (0.32 g/cm³), low thermal conductivity (0.074 W/m.K), high compressive strength (58 MPa) and high strength/density ratio (181 MPa/g/cm³). The synthesized carbon foam is a potential candidate for thermal insulation in energy-saving buildings and the technology is a simple, cheap, and sustainable approach to managing waste plastics.

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Periodical:

Key Engineering Materials (Volume 932)

Pages:

21-26

DOI:

https://doi.org/10.4028/p-f136n6

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Online since:

September 2022

Authors:

Kenneth Mensah*, Hatem Mahmoud, Manabu Fujii, Hassan Shokry

Keywords:

Carbon Foam, Compressive Strength, Recycling, Thermal Conductivity, Waste Plastics

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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