Unlike plastics, polyurethane is suited for dynamic applications.
不同于塑料，聚氨酯适用于动态应用。
This paper introduces the structure of polymer molecule and the foaming plastics and analyzes the influence of molecule structure and dynamic forming factors on the foaming process.
介绍了高聚物的分子结构和塑料的发泡成型，从微观的角度分析了高聚物的分子结构及动态加工因素对发泡成型的影响。
Some new results of the static and dynamic compressive tests about two reinforced foam plastics are given in this paper.
给出两种增强泡沫塑料静、动态压缩实验的一些新结果，研究了它们变形及破坏的规律性。
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