| 热塑性聚氨酯弹性体的合成与结构表征 |
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| 引用本文： | 祝元龙,郑昌仁,孙清,殷敬华.热塑性聚氨酯弹性体的合成与结构表征[J].陶瓷科学与艺术,1996(4). |
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| 作者姓名： | 祝元龙 郑昌仁 孙清 殷敬华 |
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| 作者单位： | 南京化工大学高分子系，中国科学院长春应用化学研究所 |
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| 摘 要： | 研究了聚己二酸丁二醇酯型热塑性聚氨酯（ＰＴＡＤ－ＴＰＵ）和聚己二酸乙二醇丙二醇酯型热塑性聚氨酯（ＰＥＰＤ－ＴＰＵ）的合成，并用ＷＡＸＤ、ＤＳＣ、ＦＴ－ＩＲ对ＰＥＰＤ－ＴＰＵ进行结构表征。结果表明：不同软硬段配比对ＴＰＵ性能有显著的影响；异氰酸酯指数为１．０时，ＴＰＵ的综合性能最好；一步法合成的ＴＰＵ比二步法合成的ＴＰＵ的性能好；ＴＰＵ中硬段相形成结晶结构，且由于硬段的存在，提高了软段有序程度和热稳定性；软段相与硬段相之间有较好的相容性，微相分离程度小；ＴＰＵ中有７０％～７５％的氨基形成氢键。ＤＳＣ是表征ＴＰＵ序态结构的有效手段
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| 关 键 词： | 热塑性聚氨酯 合成 结构表征 |
SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF THERMOPLASTIC POLYURETHANE ELASTOMER |
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| Zhu Yuanlong,Zheng Changren,Shun Qing.SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF THERMOPLASTIC POLYURETHANE ELASTOMER[J].Ceramics Science & Art,1996(4). |
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| Authors: | Zhu Yuanlong Zheng Changren Shun Qing |
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| Affiliation: | Zhu Yuanlong Zheng Changren Shun Qing Department of Polymers Nanjing University of Chemical Technology,Nanjing,China,210009 Yin Jinghua Changchun Institute of Applied Chemistry Academic Sinica,Changchun,China,130022 |
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| Abstract: | A series of PEPD TPU and PTAD TPU were synthesized and the effects of hard/soft segment ratios.Ratios of / and different synthesizing methods on TPU properties were studied. PEPD TPU were characterized with WAXD, DSC, FTIR. DSC was an effective method to characterize PEPD TPU. |
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| Keywords: | thermoplastic polyurethane elastomer synthesis structural characterization |
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