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材料研究学报  2006, Vol. 20 Issue (3): 333-336    
  论文 本期目录 | 过刊浏览 |
含间甲基取代新型聚芳酰胺的合成和性能
王沛  刘程  王锦艳  蹇锡高
引用本文:

王沛; 刘程; 王锦艳; 蹇锡高 . 含间甲基取代新型聚芳酰胺的合成和性能[J]. 材料研究学报, 2006, 20(3): 333-336.

全文: PDF(572 KB)  
摘要: 以一种含间甲基取代新型杂萘联苯结构的芳香二胺:2-(4-氨基苯基)-4-[2-甲基-4-(4-氨基苯氧基)]-2,3-二氮杂萘-1-酮(MM-DA)为单体,制备出一类新型的杂萘联苯型聚芳酰胺,以FT-IR、1H-NMR证明了它的聚合物结构,其特性粘度为1.72~2.08 dL·g-1,玻璃化转变温度为315~337℃,在氮气气氛中5%热失重温度高于440℃.聚芳酰胺在DMAc、NMP等极性非质子溶剂中有良好的溶解性.聚芳酰胺膜的拉伸强度为81~99 MPa,断裂伸长率为11.4%~20.8%,拉伸模量为1.91~2.34 GPa.扭曲非共平面结构的存在使该系列聚芳酰胺耐高温、具有良好的溶解性能和力学性能.
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收稿日期: 1900-01-01     
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