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In this work, we present a mild one-step enzymatic-catalyzed copolymerization of diethyl succinate, 1,4-butanediol and p-dioxanone (PDO) to synthesize poly(p-dioxanone-co-butylene-co-succinate) copolyesters. Their chemical structure, triad distributions, and molecular weight of the copolyesters are characterized by 1H NMR, 13C NMR and GPC. All copolyesters have narrow molecular weight polydispersity...
A novel biodegradable copolymer was synthesized from poly(vinyl alcohol) and poly(p-dioxanone) by ring-opening polymerization. The molecular structure of the copolymer was characterized by one- and two-dimensional NMR spectroscopy. The results of differential scanning calorimetry (DSC) show that the amphiphilic and comb grafted structure of the copolymer make its crystalline behavior different from...
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