| 线形多嵌段聚氨酯的合成与结构研究 |
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| 引用本文： | 王胜杰,罗筱烈,马德柱. 线形多嵌段聚氨酯的合成与结构研究[J]. 广州化学, 1995, 0(3) |
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| 作者姓名： | 王胜杰 罗筱烈 马德柱 |
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| 作者单位： | 中国科学院广州化学研究所!广州(王胜杰)，中国科学技术大学材料科学与工程系!合肥(罗筱烈，马德柱) |
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| 摘 要： | 本文用溶液二步法合成了分别以聚酸、聚酯为软段的线形多嵌段聚氨酯，经抽提证明该弹性体内没有产生交联．用核磁共振（NMR）、红外光谱（FTIR）、差示扫描量热法（DSC）等手段对其进行表征，计算得到弹性体中硬段的百分含量，并就弹性体的热塑弹性作了深入的探讨。
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| 关 键 词： | 线形多嵌段聚氨酯 热塑弹性体 合成 结构 |
Study on synthesis and structure of linear block polyurethane |
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| Wang Shengjie. Study on synthesis and structure of linear block polyurethane[J]. Guangzhou Chemistry, 1995, 0(3) |
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| Authors: | Wang Shengjie |
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| Abstract: | Linear block polyurethane with polyether or polyester as soft block is synthesized bysolution two-step method, is proved no chemical crosslinking by extracting, and is studiedby means of NMR, FTIR and DSC. Content of hard block in linear block polyurethane iscalculated and determined. This research also deeply discusses the mechanism ofthermoplasticity and elasticity of linear block polgurethane. |
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| Keywords: | linear block polyurethane thermoplastic elastomer synthesis structure |
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