| Effect of Molecular Weight on the Properties of Poly（butylene succinate） |
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| 引用本文： | 傅强.Effect of Molecular Weight on the Properties of Poly（butylene succinate）[J].高分子科学,2014,32(7):953-960. |
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| 作者姓名： | 傅强 |
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| 作者单位： | [1]College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chen~du 610065, China; [2]Guangdong Silver Age Sci & Tech Co. Ltd., Dongguan 523187, China |
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| 基金项目： | This work was financially supported by the National Natural Science Foundation of China （No. 51173112）. |
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| 摘 要： | Poly（butylene succinate） （PBS） with different molecular weight was synthesized from 1, 4-butanediol and succinic acid by direct melt condensation. The synthesized PBS was identified by IH-NMR and FTIR spectrometry. The molecular weight was calculated from the intrinsic viscosity, and its value was between 20000 and 70000. The crystallization behavior and crystal morphology as function of molecular weight were investigated by DSC and PLM, respectively. The mechanical properties and hydrolytic degradation behaviors related with change of molecular weight were also studied in this work. The results demonstrated that the properties of PBS were determined by both molecular weight and crystallization properties （crystallinity as well as crystal morphology）. Our work is important for the design and preparation of PBS with proper molecular weight for its practical application.
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| 关 键 词： | 聚丁二酸丁二醇酯 机械性能 分子量 结晶形态 PBS 熔融缩聚 FTIR 粘度计算 |
Effect of molecular weight on the properties of poly(butylene succinate) |
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| Tian-xiang Jin,Mi Zhou,Shao-dong Hu,Feng Chen,Qiang Fu,Yi Fu.Effect of molecular weight on the properties of poly(butylene succinate)[J].Chinese Journal of Polymer Science,2014,32(7):953-960. |
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| Authors: | Tian-xiang Jin Mi Zhou Shao-dong Hu Feng Chen Qiang Fu Yi Fu |
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| Institution: | 1. College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu, 610065, China
2. Guangdong Silver Age Sci & Tech Co. Ltd., Dongguan, 523187, China
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| Abstract: | Poly(butylene succinate) (PBS) with different molecular weight was synthesized from 1, 4-butanediol and succinic acid by direct melt condensation. The synthesized PBS was identified by 1H-NMR and FTIR spectrometry. The molecular weight was calculated from the intrinsic viscosity, and its value was between 20000 and 70000. The crystallization behavior and crystal morphology as function of molecular weight were investigated by DSC and PLM, respectively. The mechanical properties and hydrolytic degradation behaviors related with change of molecular weight were also studied in this work. The results demonstrated that the properties of PBS were determined by both molecular weight and crystallization properties (crystallinity as well as crystal morphology). Our work is important for the design and preparation of PBS with proper molecular weight for its practical application. |
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| Keywords: | Poly（butylene succinate） Molecular weight Properties |
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