隔音性:密闭泡孔,隔音效果好。
低模量,泡孔结构均匀,压纹性佳。
Low Modulus, Uniform Structure of Cell, Good Properties of Embssing.
同时考察若干影响最终泡孔尺寸的因素。
Several factors which may affect the final bubble radius are estimated.
考察了发泡温度、粉末大小对泡孔结构的影响。
The influences of foaming temperatures and powder sizes on the cellular structures were studied.
首先研究了发泡温度对PET泡孔形态的影响。
This study began with the investigation of the influence of temperature on cell morphology of PET foam.
而且,随着滑石粉含量的增加,泡孔尺寸减小,泡孔密度增加。
Furthermore, the cell diameter decreased, cell density increased as the Talc content increased.
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.
探讨了发泡剂AC在PP中的发泡过程和泡孔在PP中的长大过程。
We discussed the process of AC foaming agent's expansion and cell's growth within PP.
试验结果表明: 泡孔的形成、形状及尺寸与胶粉颗粒的大小有关。
The results showed that the formation, shape and size of the cells had relations with the size of the rubber diameter.
制备出的导电泡沫具有比较理想的泡孔结构,和较强的NTC效 应。
The prepared conductive foam has ideal foam structure and strong NTC effect.
结果表明,改变CO_2的压力可以控制发泡的泡孔密度和泡孔大小。
The results show that the cells' density and size can be controlled by controlling the processing pressure and the foaming temperature.
EVA的特点:耐水性:密闭泡孔结构、不吸水、防潮、耐水性能良好。
EVA features: water resistance: closed cell structure, non-absorbent, moisture-proof, water resistance is good.
研究结果表明:气泡成核数越大,物理发泡剂的含量越高,泡孔半径越小;
The results show that the more enhancing the bubble nucleation and the larger the amount of the foaming agent, the smaller the bubble cell size.
增大发泡压力有利于减小泡孔孔径,但压力过高会降低发泡硅橡胶的孔隙率。
Higher foaming pressure will lead to smaller cell size. However, too high foaming pressure may lower the void fraction.
所制产品泡孔致密,外观良好,密度较低,基本达到或接近国外同类产品水平。
The cells of the product were dense, the outward appearance of the product was fine, and the density was low, coming up or approaching to those of import product of the same grade.
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 .
泡孔尺寸不仅影响着材料的屈服强度和塑性模量等,还影响着材料的应变率敏感性。
Cell-size has a significant effect not only on the crushing stress and plastic modulus of aluminum foam, but also on the strain-rate sensitivity of material of this kind.
工业实验结果比小试结果更佳,制得了泡孔密度均匀、柔软、弹性好的海绵背衬地毯。
Commercial experiment had better results than that of bench test. Soft sponge back-lining carpet with symmetrical bubble hole density and high elasticity carpet was produced.
在一些实施方案中,泡沫聚合物片材包含:聚合物材料以及位于聚合物材料上的泡孔。
In some embodiments, a foamed polymer sheet comprises: a polymeric material and cells located in the polymeric material.
研究了加入空心玻璃微珠后,硬质聚氨酯泡沫塑料的泡孔结构、压缩性能以及阻尼性能。
The cell structure, compression and damping properties of rigid polyurethane foam filled with hollow glass bead were studied.
研究结果表明,滑石粉的加入使体系的熔体强度提高,发泡样品的泡孔结构变得更均匀。
Experimental results showed that the melt strength was enhanced and the microcellular structure became more uniform when the Talc was added to the blend.
结果表明:I阶段保压时间对泡孔直径及泡孔密度的影响大于II 阶段保压时间;
The results indicate: the effect of packing time at stage I on cell diameter and cell density is greater than that of the packing time at stage II;
综合以上分析结果,本文建立了材料的流变性能-泡孔结构-泡沫材料外观形貌间的关系。
The relationship among the rheological properties of materials, the cell structure and appearance of foams was built in this paper.
由于其泡孔细密均匀,外表光滑美观,手感舒适,是各种汽车内饰,保温管道的首选材料。
Applied in the field of vehicle decoration, utilidor and so on due to its compact bubble, smooth and beautiful shape, good feel.
讨论了稳定剂品种、 改性剂品种和发泡剂用量对制品密度、泡孔结构以及外观表面的影响。
The effect of certain types or contents of stabilizers, modifies and blowing agents on extrudate quality density, surface, and cellular structure are described.
讨论了稳定剂品种、 改性剂品种和发泡剂用量对制品密度、泡孔结构以及外观表面的影响。
The effect of certain types or contents of stabilizers, modifies and blowing agents on extrudate quality density, surface, and cellular structure are described.
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