| 3,3',4,4'-四氨基二苯醚的合成及其聚苯并咪唑树脂的制备 |
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| 引用本文： | 徐俊,虞鑫海,张誉川,黄斌全,李波罗.3,3',4,4'-四氨基二苯醚的合成及其聚苯并咪唑树脂的制备[J].绝缘材料,2009,42(3). |
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| 作者姓名： | 徐俊 虞鑫海 张誉川 黄斌全 李波罗 |
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| 作者单位： | 东华大学应用化学系,上海,201620 |
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| 摘 要： | 以4.4'-二氨基二苯醚为原料,经乙酰化、硝化、碱解、还原、中和五步反应合成3,3',4,4'-四氨基二苯醚,总收率为52.8%,并用FT-IR及熔点测试技术对其进行了表征.结果表明,3,3',4,4'-四氨基二苯醚具有较高的纯度,在多聚磷酸与五氧化二磷的体系下,进一步与二酸聚合可获得高分子量的聚苯并咪唑.有望在未来兴起的燃料电池膜制作领域具有广阔的应用前景.
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| 关 键 词： | 4 4'-二乙酰氨基二苯醚:3 3'-二硝基-4 4'-二乙酰氨基二苯醚 3 3'-二硝基-4.4'-二氨基二苯醚 3 3' 4.4'-四氨基二苯醚 聚苯并咪唑树脂 合成 表征 |
Synthesis and Characterization of 3,3',4,4'-Tetraaminodiphenyl Ether and Polymerization of Polybenzimidazole Resin |
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| XU Jun,YU Xin-hai,ZHANG Yu-chuan,HUANG Bin-quan,LI Bo-luo.Synthesis and Characterization of 3,3',4,4'-Tetraaminodiphenyl Ether and Polymerization of Polybenzimidazole Resin[J].Insulating Materials,2009,42(3). |
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| Authors: | XU Jun YU Xin-hai ZHANG Yu-chuan HUANG Bin-quan LI Bo-luo |
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| Affiliation: | Department of Applied Chemistry;Donghua University;Shanghai 201620;China |
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| Abstract: | 3,3',4,4'-tetraaminodiphenyl ether was prepared with 4,4'-diaminodiphenylether as starting material in five steps by N-acylation,nitration,alkali hydrolysis,reduction and neutralization in overall yield of about 52.8%.The chemical structures of target compound and its intermediates were characterized by Fourier transform infrared spectroscope(FT-IR) and differential scanning calorimetry(DSC) technology.Moreover,polybenzimidazole resin(PBI) from 3,3',4,4'-tetraaminodiphenyl ether monomer was further polymeri... |
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| Keywords: | 4 4'-diacetamidodiphenylether 3 3'-dinitro-4 4'-diaminodiphenylether 3' 4'-tetraaminodiphenylether polybenzimidazole resin synthesis characterization |
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