己二酸
结晶
聚丁二酸丁二醇酯
材料科学
结晶度
层状结构
氢键
分子间力
傅里叶变换红外光谱
高分子化学
化学工程
戒指(化学)
结晶学
复合材料
分子
有机化学
化学
工程类
摘要
The poly (butylene succinate-co-butylene adipate) (PBSA)/thiodiphenol (TDP) complexes were prepared by melt blending. Intermolecular hydrogen bonding between carbonyl group of PBSA and hydroxyl group of TDP formed as verified by a combination FTIR and peak fitting technique. As a result, the crystallization temperature, melting temperature, crystallinity and crystallization rate of PBSA decreased with addition of TDP, implying impeded crystallization and reduced lamellar thickness. On the basis of Lauritzen–Hoffman analysis, the fold surface energy (σe) and work of chain folding (q) were increased by TDP incorporation. POM observation exhibited concentric ring-banded spherulites for samples with 10 and 20 wt% TDP. A peculiar ring-banded pattern with discrepant band spacing was obtained for the first time by addition of 30 wt% TDP, whose formation mechanism remains to be discussed. Copyright © 2016 John Wiley & Sons, Ltd.
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