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α-环糊精与聚己二酸乙二醇酯的包合物对聚己二酸乙二醇酯结晶性能的影响

Effect of the Inclusion Complex of α-Cyclodextrin and Poly(ethylene adipate) on the Crystallization Behavior of Poly(ethylene adipate)
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摘要 制备了聚己二酸乙二醇酯(PEA)与α-环糊精(α-CD)的包合物(PEAIC),用红外光谱、核磁共振氢谱和X射线衍射对产物的结构进行了表征,并用差示扫描量热仪和偏光显微镜研究了PEAIC对PEA结晶的影响。结果表明:PEA可以和α-CD发生非共价键作用,形成隧道状晶体结构;同时PEAIC的加入,提高了PEA的结晶温度,加快了其结晶速率,减小了其结晶尺寸。 The inclusion complex of poly（ethylene adipate）（PEA） and α-cyclodextrin（α-CD） was prepared and characterized with Fourier transformation infrared spectrometry（FT-IR）,proton nuclear magnetic resonance spectra（1H-NMR） and X-ray diffractometry（XRD）.The nucleation effect of this complex on PEA was investigated by differential scanning calorimetry（DSC） and polarized optical microscopy（POM）.Results show that PEA interacts with α-CD through non-covalent interactions and forms a channel crystal structure.Moreover,with addition of the PEAIC,PEA exhibits higher crystallization temperature,faster crystallization rate,and smaller spherulites.
作者 常海波 张予东 周慧
机构地区 河南大学化学化工学院
出处 《功能高分子学报》 CAS CSCD 北大核心 2011年第4期422-426,共5页 Journal of Functional Polymers
基金 河南大学博士启动基金(B2010028) 河南大学大学生创新性实验计划(11NB008)
关键词 环糊精 聚己二酸乙二醇酯 包合物 结晶 cyclodextrin poly（ethylene adipate） inclusion complex crystallization
分类号 O631 [理学—高分子化学]
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参考文献13

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2011年 第4期

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