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re zhi xing ye jing ju he wu de bo li tai jie gou ji xing cheng re li xue he dong li xue
Author(s): 
Pages: 800-804
Year: Issue:  6
Journal: Journal of East China University of Science and Technology(Natural Science Edition)

Keyword:  聚芳酯聚酯织态结构转变熵液晶玻璃态;
Abstract: 利用热台偏光显微镜、差示扫描量热法(DSC)、广角X-射线衍射(WAXD)等分析测试手段,对聚1,4-苯二氧乙酸-1,8-二氧代辛撑基二苯酚酯的织态结构及相态进行了研究。结果表明,该聚合物在经过一次加热冷却循环后。生成了液晶玻璃态。对相转变的转变熵值的分析表明,上述结论是正确的。并在热力学与动力学共同作用的基础上,讨论了热致型液晶聚合物液晶玻璃态的形成,提出了固化温度大于结晶温度是液晶玻璃态产生的必要条件。
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