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The environmental behavior and fate of micro 14C-polylactide in soils
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DOI：10.1016/j.polymdegradstab.2026.112348.png)
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Abstract
En 中文
• ¹⁴C-labeling enables direct quantification of PLA microparticles mineralization and tracking of residual polymer in complex soil matrices. • Temperature was identified as the dominant factor controlling PLA degradation, exceeding the influence of soil type, moisture and microcrystalline cellulose addition. • Combined use of LSC, oxidizer–LSC, and NMR provided comprehensive insight into mineralization and structural changes of micro PLA in soils. • PLA showed negligible biodegradation below its glass transition temperature.
Keywords:
Soil
Microplastics
Polylactide
Carbon radiolabeling
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