| 聚叠氮缩水甘油醚/聚乙二醇双软段含能聚氨酯弹性体的性能 |
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| 引用本文： | 王旭朋,罗运军,王晓青,葛震.聚叠氮缩水甘油醚/聚乙二醇双软段含能聚氨酯弹性体的性能[J].高分子材料科学与工程,2011(1):77-79. |
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| 作者姓名： | 王旭朋 罗运军 王晓青 葛震 |
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| 作者单位： | 北京理工大学材料学院; |
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| 摘 要： | 为改善聚叠氮缩水甘油醚(GAP)的性能,以三羟甲基丙烷(TMP)为交联剂,异佛尔酮二异氰酸酯(IPDI)为固化剂,选用聚乙二醇(PEG)制备出GAP/PEG/TMP/IPDI双软段含能聚氨酯弹性体,采用红外光谱(FT-IR)、差示扫描量热(DSC)等手段进行了表征。实验结果表明,弹性体中引入聚乙二醇(PEG),拉伸强度提高168%,延伸率提高77%,所选PEG软段分子量较小,弹性体中只出现了GAP软段的Tg。随交联剂含量的增大,GAP软段的Tg由-36.85℃上升到-34.81℃,继而又下降到-40.31℃,弹性体的热分解分两段进行,初始分解温度为183℃。
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| 关 键 词： | 聚叠氮缩水甘油醚 聚氨酯 共聚 热性能 |
Properties of Glycidyl Azide Polymer/Polyethylene Glycol Dual-Soft Segments Energetic Polyurethane Elastomer |
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| Xupeng Wang,Yunjun Luo,Xiaoqing Wang,Zhen Ge.Properties of Glycidyl Azide Polymer/Polyethylene Glycol Dual-Soft Segments Energetic Polyurethane Elastomer[J].Polymer Materials Science & Engineering,2011(1):77-79. |
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| Authors: | Xupeng Wang Yunjun Luo Xiaoqing Wang Zhen Ge |
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| Affiliation: | Xupeng Wang,Yunjun Luo,Xiaoqing Wang,Zhen Ge(School of Materials,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | To improve the performance of glycidyl azide polymer(GAP),trimethylolpropane(TMP) as the crosslinker,isophorone diisocyanate(IPDI) as the curing agent,glycidyl azide polymer/polyethylene glycol(PEG) dual-soft segments energetic polyurethane elastomer was synthesized.The elastomer was characterized with Fourier transform infrared spectrum(FT-IR),differential scanning calorimetry(DSC) and other means.The experimental results show that: When PEG is introduced into the elastomer,tensile strength of elastomer in... |
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| Keywords: | glycidyl azide polymer polyurethane copolymerization thermal properties |
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