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- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received February 29, 2024
Accepted July 22, 2024
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Carbon Powders Transforming From Waste PP Materials for Optimization of 8 mol% Yttria-Stabilized Zirconia Nano-Powders
Abstract
The wasted disposable polypropylene medical mask is one of the common waste polypropylene materials. The waste mask is
characterized by being non-biodegradable and carelessly discarded, which causes serious environmental issues and resource
waste. This study aims to investigate the recycling of waste disposable polypropylene medical masks to address the ecological
problem and transform them into amorphous carbon powders via the carbonization coupling with the high-energy ball-milling
method. The recycled waste mask was applied as a carbon dispersant to prepare high-quality 8YSZ nano-powders and the
obtained carbon dispersant owned smaller particle size and higher specifi c surface area than the commercial activated carbon
powders. The as-obtained 8YSZ nano-powders were well-dispersed and nano-sized, which resulted in high relative density
and ionic conductivity for the sintered 8YSZ ceramic body. These fi ndings suggest that the proposed strategy in this study
can recycle the waste disposable polypropylene medical mask to prepare amorphous carbon powders as a carbon dispersant
for obtaining high-quality 8YSZ nano-powders and also provide an idea for the comprehensive utilization of other waste
polymer materials.
