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1)  foam extrusion
发泡挤出成型
2)  extrusion foaming
挤出发泡
1.
In order to obtain microcellular plastic,the factors that affect the formation of supercritical dioxide/polystyrene single-phase solution in extrusion foaming were investigated.
为得到微孔发泡塑料,对影响挤出发泡中超临界二氧化碳/聚苯乙烯(SCCO2/PS)单相溶液形成的因素进行了研究,分析了挤出机进气点位置、螺杆结构及系统温度和压力等因素对单相溶液的影响。
2.
The key technologies used in the extrusion foaming of polypropylene were introduced based on the properties of foaming system and foaming mechanisms, focusing on the viscoelasticity of polypropylene melt, solubility and diffusivity of blowing agents, crystallization behavior of polypropylene, as well as cell nucleation and bubble growth mechanisms.
从聚丙烯挤出发泡体系的性能包括聚丙烯熔体的黏弹性、发泡剂的溶解度和扩散系数、聚丙烯的结晶行为和成核剂的性能以及聚丙烯挤出发泡的气泡成核机理和气泡增长机理系统介绍了聚丙烯挤出发泡中的一些关键技术。
3.
Due to the generation of long-branching structure, the melt strength and extensional viscosity of polypropylene were greatly increased and exhibited a strain hardening behavior, thus was suitable for extrusion foaming.
通过在线形聚丙烯中加入双官能团丙烯酸酯类单体,经小剂量γ射线高能辐照,制备了高熔体强度聚丙烯,研究了其拉伸流变行为及其在挤出发泡方面的应用。
3)  foam extrution
发泡挤出
4)  structural foamed extrusion
低发泡挤出
5)  Microcellular foam extrusion
微发泡挤出
6)  high-foaming extrusion
高发泡挤出
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