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本文使用广角X射衍射线WAXD结合多峰多离程序研究向列型热致液晶PAB／PET的非晶态结构。结果表明：随刚性分子PAB含量增加分子链间平均距离d1增大而非晶有序畴尺rα的结晶度Xc减少。当PAB含量≥25％，X射线谱在2θ=10°～35°范围呈现为非晶弥散峰，此时PAB／PET为向列型热致液晶。
In this paper, the wide-angle X-ray diffraction (WAXD) combined with multi-peak and multi-separation procedure was used to study the amorphous structure of the nematic liquid crystal PAB / PET. The results show that with the increase of PAB content, the average distance d1 between molecular chains increases, while the crystallinity Xc of amorphous ordered scale rα decreases. When PAB content is more than or equal to 25%, the X-ray spectrum appears as an amorphous dispersion peak in the range of 2θ = 10 ° -35 °. At this time, PAB / PET is a nematic thermotropic liquid crystal.