熔融共聚法制备了丙交酯/己内酯聚酯共聚物,采用FT-IR、1H-NMR和XRD等分析手段对聚酯共聚物进行了结构表征,确认合成了嵌段型聚酯共聚物.利用石英微晶天平(QCM-D)检测己内酯/丙交酯聚酯薄膜在天然海水中频率和耗散的变化,并用POM、AFM和SEM原位观察了水解过程中薄膜表面微观结构的变化,初步推断聚酯共聚物的水解过程.
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