Abstract
Since the COVID-19 in 2019, people have made a lot of progress in the recycling of waste face masks (FMs) pollution. Besides, conducting polymer composites (CPCs) possessing excellent electromagnetic interference shielding effectiveness (EMI SE) are effective method to prevent the harm caused by electromagnetic pollution. Finally, effective measures are needed to reduce the harm of micro plastics (MPs) pollution in water environment. However, in the current research on the removal of MPs, after being removed from water, MPs still exist as a waste and cannot be further recycled. Therefore, the pollution problem of MPs has not been fundamentally solved. Herein, FMs, polyethylene terephthalate MPs (PET MPs) and MXene were used to fabricate EMI shielding composites with isolated conductive networks structure via the adhesion of polydopamine (PDA). The effects of isolated conductive networks, different sizes of PET MPs and different layers of FMs on the adsorption properties of FMs-PDA-MXene, as well as electrical performance for the obtained PP-PDA-MXene composites were studied. The composites displayed EMI SE for 30.5 dB in X-band with 1.5 vol.% MXene content due to the isolated conductive networks structure. This study points out the direction for thoroughly solving the recycling problem of Microplastics after being removed from water.
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