工艺条件对硬质聚氨酯泡沫泡孔结构和性能的影响 关键词：硬质聚氨酯泡沫；工艺条件；正交试验；泡孔结构；性能 [gap=5173]Keywords：RPUF；process condition；o~hogonal experiment；cellular structure；performance
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,Four aspects of experiments were achieved:(1) dispersing of nanometer agglomerates by ultrasonic;(2) Preparation of Reinforced RPUF;(3) Image analysis of cellular structure and calculation of structure parameters;(4) Study on the quasi-static and dynamic mechanic test of RPUF.
主要进行了四个方面的实验工作：(1)纳米团聚体的超声波分散；(2)增强RPUF材料制备；(3)RPUF泡孔结构的图像分析及结构参数计算；(4)RPUF准静态和动态力学性能研究。
参考来源 - 超细粒子/RPUF的制备及结构性能研究On the base of basic formula, it discussed effects of kinds and content of bubble nucleators on property of foaming materials, and observed and analyzed bubble structure of foaming materials made by different nucleators.
在确定主要助剂最佳用量的基础上，探讨了泡孔成核剂种类、用量对发泡材料性能的影响，并对不同成核剂制得的材料泡孔结构进行了观察和分析。
参考来源 - 软质聚氯乙烯发泡材料的研究This paper reviewed several kinds of synthesis routes and preparation technologies of backbone chain polyimide foams,involving foaming agents,foaming methods and control modes for foam structure. The technical characters of the routes and technologies were analyzed and compared.
综述了主链聚酰亚胺泡沫塑料的各种合成路线和制备工艺中的发泡剂、发泡方法及泡孔结构的控制方法,分析对比了不同合成路线和制备工艺的技术特点;并介绍了侧链型聚酰亚胺泡沫塑料以及聚酰亚胺纳米泡沫塑料的合成路线和制备工艺。
参考来源 - 聚酰亚胺泡沫塑料的合成路线及制备工艺·2,447,543篇论文数据，部分数据来源于NoteExpress
扫描电镜的观察结果表明，研制的泡沫具有比较理想的泡孔结构。
The observation of scan electron lens shown that the result, the foam has the ideal structure.
因此，我们可以通过提高压力和卸压速率来改善制品的泡孔结构。
We can improve bubbles'morphology of the produces through increasing the pressure and pressure drop rate.
PP泡孔结构的形成可分为形成气泡核、气泡的膨胀、泡体的固化定型三个阶段。
The formation of cell structure within PP set three stages: nucleation, expanding, solidifying and shaping .
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