| 化学亚胺化和热亚胺化合成超支化聚酰亚胺 |
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| 引用本文： | 杨小进,陈文求,易昌凤,徐祖顺.化学亚胺化和热亚胺化合成超支化聚酰亚胺[J].高分子材料科学与工程,2010(4):25-28. |
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| 作者姓名： | 杨小进 陈文求 易昌凤 徐祖顺 |
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| 作者单位： | 湖北大学材料科学与工程学院; |
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| 基金项目： | 湖北省杰出人才基金资助项目(2004ABB003) |
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| 摘 要： | 以三(4-氨基苯基)胺(TAPA)为三胺单体、均苯四甲酸二酐(PMDA)为二酐单体,采用A2+B3的方式,分别通过化学亚胺化和热亚胺法化制得了氨基封端超支化聚酰亚胺(AM-HBPI)和酐基封端超支化聚酰亚胺(AD-HBPI),然后采用红外(FT-IR)、核磁共振(1H-NMR)、X射线衍射(XRD)、溶解性和热失重分析(TGA)等对合成的超支化聚酰亚胺(HBPI)进行了测试和表征,并将两种方法所得HBPI进行了对比。结果表明,化学亚胺化和热亚胺化均能制得AM-HBPI和AD-HBPI,它们结晶度低,分子链间距比线性聚酰亚胺小;化学亚胺化AM-HBPI和AD-HBPI的溶解性比对应的热亚胺化HBPI好;所得的AM-HBPI和AD-HBPI的10%的失重温度分别为580℃和550℃,800℃时的质量保持率分别为62%和45%。
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| 关 键 词： | 超支化聚酰亚胺 三(4-氨基苯基)胺 化学亚胺化 热亚胺化 |
Synthesis of Hyperbranched Polyimide by Chemical and Thermal Imidization |
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| YANG Xiao-jin,CHEN Wen-qiu,YI Chang-feng,XU Zu-shun.Synthesis of Hyperbranched Polyimide by Chemical and Thermal Imidization[J].Polymer Materials Science & Engineering,2010(4):25-28. |
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| Authors: | YANG Xiao-jin CHEN Wen-qiu YI Chang-feng XU Zu-shun |
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| Affiliation: | Faculty of Materials Science and Engineering;Hubei University;Wuhan 430062;China |
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| Abstract: | Amino-terminated hyperbranched polyimide(AM-HBPI) and anhydride-terminated hyperbranched polyimide(AD-HBPI) were synthesized with the method of A2+B3,by using tris(4-aminophenyl)amine(TAPA) as the triamine monomer and pyromellitic dianhydride (PMDA) as the dianhydride monomer,through chemical imidization and thermal imidization,respectively. The obtained HBPIs' structures and performance were characterized by Fourier transform infrared spectroscopy(FT-IR),proton nuclear magnetic resonance(1H-NMR),X-ray diff... |
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| Keywords: | hyperbranched polyimide TAPA chemical imidization thermal imidization |
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