聚(2,5-二羟基-1,4-苯撑吡啶并二咪唑)纤维的性能与应用

The properties and applications of poly[2,6-diimidazo(4,5-b: 4',5'-e)pyridinylene-1,4(2,5-dihydroxy)phenylen] fiber

介绍了[聚(2,5-二羟基-1,4-苯撑吡啶并二咪唑)](PIPD)纤维的制备、性能及应用,PIPD纤维的强度和模量高,具有耐热、阻燃和耐化学稳定性等优良性能,尤其具有良好的压缩和扭曲性能,高电阻特性以及与树脂基体优良的粘结性能,PIPD纤维可作为耐热材料、增强材料、防弹冲击材料、电绝缘材料而广泛应用于航空军事等领域。

The preparation,properties and applications of{ Poly[2,6-diimidazo（4,5-b： 4 ,5 -e） pyridinylene-1,4（2,5-dihydroxy）phenylen],PIPD} fiber were introduced.The fiber exhibited high strength and modulus and other splendid properties,such as heat resistance,flame retardance,chemical environmental resistance.PIPD fiber especially had good compressibility and distortion performance,high electricity resistance and good interfacial adhesion of PIPD fibers/resins.PIPD fiber can be widely used as heat resistant materials and electricity insulated materials in aeronautic and military field and so on.