With the prolongation of degradation time, the pH value of PEF and its copolyester degradation solution shows a decreasing trend, and the degradation solution gradually changes from neutral to weakly acidic, which indicates that the degradation mechanism of PEEFs is acidic hydrolysis.
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Modification of Poly(Ethylene 2,5-Furandicarboxylate) with Poly(Ethylene glycol) for Biodegradable Copolyesters with Good Mechanical Properties and Spinnability.
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