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Sources, Aging, and Management of Coastal Plastics in Shanghai

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Abstract

To investigate the plastic sources and aging, the number and weight ratios of 4 main plastic categories, namely hard plastics, membranous plastics, fibrous plastics, and foam plastics in the Shanghai coast were determined. Aging of polyvinyl chloride, polyethylene, and polystyrene includes the appearance of scratches and damage and even the forming of cracks and micropores. Composite packaging plastics were cracked from the external surface. Aging plastics showed new bands at around 1700 cm−1 for carbonyl functional groups, and 1000 cm−1 for C–O bonds, indicating the surface oxidation and adsorption of organic matter. The number of foam plastics was the highest among the different types of plastics, probably due to their lowest density. The sources of foam plastics varied because they are used in both the daily life of the city resident and ocean fishing and farming. This study provides scientific data for the management of Shanghai marine plastics.

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Data Availability

The datasets used and/or analyzed during the current study are available from the corresponding author upon reasonable request.

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Funding

This work was supported by the China Scholarship Council (202008310005), the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning and Shanghai Engineering Research Center of Advanced Thermal Functional Materials.

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Authors and Affiliations

Authors

Contributions

Shuai Chen: Data curation, conceptualization, formal analysis, validation, writing-original draft, funding acquisition.

Donghai Lin: Funding acquisition, writing—review and editing.

Guilan Gao: Writing—review and editing.

Jie Guan: Writing—review and editing.

Carolina Belver: Writing—review and editing.

Jorge Bedia: Data curation, writing—review and editing.

All authors read and approved the final manuscript.

Corresponding authors

Correspondence to Guilan Gao or Jorge Bedia.

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Chen, S., Lin, D., Gao, G. et al. Sources, Aging, and Management of Coastal Plastics in Shanghai. Water Air Soil Pollut 233, 437 (2022). https://doi.org/10.1007/s11270-022-05914-0

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  • DOI: https://doi.org/10.1007/s11270-022-05914-0

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