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学科主题: 高分子化学
题名: Effects of host-guest stoichiometry of alpha-cyclodextrin-aliphatic polyester inclusion complexes and molecular weight of guest polymer on the crystallization behavior of aliphatic polyesters
其他题名: α环糊精/脂肪族聚酯内涵体主客体化学计量与客体分子量对脂族聚酯结晶的影响
作者: Tungalag Dong ; Kai WH(开卫华) ; Pan PJ(潘鹏举) ; Cao AM(曹阿民) ; 井上义夫
通讯作者: 井上义夫
刊名: Macromolecules
发表日期: 2007
卷: 40, 期:20, 页:7244-7251
收录类别: SCI
部门归属: 日本东京工业大学; 中科院上海有机所
英文摘要: The nucleation effect of the alpha-cyclodextrin (alpha-CD)-polyester inclusion complex (IC) on the crystallization of semicrystalline aliphatic polyesters has been studied in the previous work, in which it was revealed that the effectiveness of alpha-CD ICs as a nucleating agent of aliphatic polyesters is mainly governed by the kinds of polyesters and the host-guest stoichiometry of alpha-CD-polyester ICs [Dong et al., Macromolecules 2005, 38, 7736; 2006, 39, 2427]. In this work, the effects of host-guest stoichiometry of alpha-CD-polymer ICs and molecular weight of guest polyesters on the crystallization behavior of polyesters were further studied by differential scanning calorimetry and polarized optical microscopy. As the guest polymers, two kinds of linear aliphatic polyesters, poly(epsilon-caprolactone) (PCL) and poly(butylene succinate) (PBS) with high and low molecular weight, were used. The ICs with various host-guest stoichiometry between alpha-CD and polyesters were successfully prepared, and they used as the nucleating agents for crystallization of PCL and PBS. It was found that the host - guest stoichiometry of ICs affects their nucleation ability on the crystallization of polyesters, and these ICs with about 30-70% uncovered parts showed most effective. Furthermore, the molecular weight of guest polymers also favorably affected their IC's nucleation ability on crystallization of polyesters. This research will be give us the route of making an effective green nucleating agent for bio-based polymer.
语种: 英语
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WOS记录号: WOS:000249845200027
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/22926
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Tungalag Dong,Kai WH,Pan PJ,et al. Effects of host-guest stoichiometry of alpha-cyclodextrin-aliphatic polyester inclusion complexes and molecular weight of guest polymer on the crystallization behavior of aliphatic polyesters[J]. Macromolecules,2007,40(20):7244-7251.
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