熔体强度是影响聚合物可发泡性的重要物性参数。是指聚合物在熔融状态下支持自身质量的能力。
Adding of LDPE causes the melt strength to grow but the stretching and bending strength to decrease.
低密度聚乙烯用量增加时，熔体强度会有所上升，但力学性能会下降。 总的说来，熔体强度高的产物冲击强度较高，但拉伸强度和弯曲强度有下降的倾向。
参考来源 - 高熔体强度聚丙烯的研究However, the traditional PP can not realize an effective foaming due to its poor melt-strength and strong crystalline performance.
然而，常规的聚丙烯因其熔体强度低和结晶性强而无法实现有效的发泡。
参考来源 - 反应挤出法制备发泡用高熔体强度聚丙烯的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
高熔体强度聚丙烯具有优异的物理机械性能，其发泡制品拥有广泛的用途。
High melt strength pp (HMSPP) had excellent physical and mechanical properties and its foamed products had wide applications.
高熔体强度聚丙烯(H MSPP)是聚丙烯的一种重要改性产品，具有广泛的用途。
High melt strength polypropylene (HMSPP) is an important product of polypropylene modification with wide application.
介绍了聚丙烯熔体强度的表征方法及影响因素，综述了提高聚丙烯熔体强度的几种方法。
The expression methods and the influencing factors of high melt strength polypropylene were introduced, different several methods of increasing the melt strength of polypropylene were reviewed.
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