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本文综述了关于拉伸结晶聚合物形变机理的研究工作,重点介绍了拉伸聚合物在形成细颈过程中,从原来的球晶(或堆积片晶)结构向纤维结构的转化过程,以及有关这一形变过程。目前存在的不同观点及各方面的实验证据。指出拉伸结晶聚合物的形变机理可能依赖于拉伸条件。
In this paper, the research work on the deformation mechanism of stretched crystalline polymers is reviewed. The process of transformation from the original spherulites (or packed platelets) to the fiber structure during the formation of the neck is especially introduced. This deformation process. There are different views and experimental evidence in all aspects. It is pointed out that the deformation mechanism of the stretched crystalline polymer may depend on the stretching conditions.