以烷基烯酮二聚体(AKD)为疏水化组分,环氧改性聚酰胺(EPA)为增强交联组分制备了疏水增强型淀粉复合膜.研究了AKD对环氧改性聚酰胺/淀粉复合膜动态接触角、吸水率、结晶性能及力学性能的影响.结果表明,AKD能大幅度提高复合膜的疏水性能,当AKD含量为5.26%时,复合膜与水的接触角高达101°,且不随时间而降低;复合膜吸水率可从34.41%下降到18.84%.X射线衍射(XRD)表明AKD可增加复合膜组分问的相容性.AKD具有内增塑作用使复合膜拉伸强度降低、断裂伸长率增加.
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