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Effect of the carbon numbers of dicarboxylic acids and diols on marine biodegradation of aliphatic polyesters
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DOI：10.1016/j.polymdegradstab.2026.112365.png)
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Abstract
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• A series of aliphatic polyesters, PEm-n (m, n: carbon numbers of diol and dicarboxylic acid, respectively, ranging from 2 to 12) were synthesized. • There biodegradation tests in seawater were performed at 27°C for 28 days by BOD measurement. • Most polymers exhibited high biodegradation in seawater, while succinate polyesters showed low biodegradation. • Even relatively hydrophobic polyesters such as PE8-8, PE4-12, PE12-6, and PE12-12 were biodegraded in seawater.
Keywords:
Biodegradation in Seawater
Aliphatic Polyesters
Carbon Numbers
Diols
Dicarboxylic Acids
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