采用邻苯基取代杂萘联苯型类双酚4-(3-苯基-4-羟基苯基)-2,3-二氮杂萘-1-酮(DHPZ-oP)与对氯苯腈反应制得二腈化合物,进一步水解为二酸,以此新型二酸与三种不同二胺聚合制得的聚芳酰胺均具有较高的耐热性能,其Tg在304 ℃～327 ℃,且易溶于非质子极性溶剂中,聚合物的特性粘数为1.06 dL/g～1.57 dL/g(25 ℃,NMP),拉伸强度为73 MPa～86 MPa,断裂伸长率为9%～13%,拉伸模量为0.9 GPa～1.0 GPa,电阻系数为1012～1016.
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