根据热失重曲线和运用 X 射线衍射(XRD)所测得的实验结果,讨论了聚糠醇(PFA)和聚糠酮(PFK)两种呋喃树脂在氮气气氛中热解过程中的结构变化.结果表明,两种试样在450℃以前,随着炭化温度的升高,聚合物分子的原有序态结构逐渐被破坏;450℃以后,随着炭化温度的升高,六角碳网新的序态结构形成并逐渐增长.
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