摘要
Seven thermosetting polyimides(PI) were synthesized via the reactions of oxydiphthalic (anhydride), thioetherdiphthalic anhydride and active end cap. It was found that the lowest viscosities of the two PI (resins) end-capped with NA were both under 10 Pa·s, while the lowest viscosities of the PI res...
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单位中国航发北京航空材料研究院; 中国科学院长春应用化学研究所; 高分子物理与化学国家重点实验室