期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/ijms241512368
关键词
microporous; polypropylene; plastic waste; microplastic; pouch; oil sorbent; face masks
The use of PP in disposable items such as face masks, gloves, and personal protective equipment has increased significantly during and after the COVID-19 pandemic, leading to the presence of microplastics and nanoplastics in the environment. Upcycling waste PP into useful products provides a sustainable solution for managing plastic waste and promoting a circular economy.
The use of Polypropylene PP in disposable items such as face masks, gloves, and personal protective equipment has increased exponentially during and after the COVID-19 pandemic, contributing significantly to microplastics and nanoplastics in the environment. Upcycling of waste PP provides a useful alternative to traditional thermal and mechanical recycling techniques. It transforms waste PP into useful products, minimizing its impact on the environment. Herein, we synthesized an oil-sorbent pouch using waste PP, which comprises superposed microporous and fibrous thin films of PP using spin coating. The pouch exhibited super-fast uptake kinetics and reached its saturation in fewer than five minutes with a high oil uptake value of 85 g/g. Moreover, it displayed high reusability and was found to be effective in absorbing oil up to seven times when mechanically squeezed between each cycle, demonstrating robust oil-sorption capabilities. This approach offers a potential solution for managing plastic waste while promoting a circular economy.
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