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1)  intumescenc
胀大
2)  swell [英][swel]  [美][swɛl]
涌胀,胀大
3)  To inflate or distend.
膨胀膨胀或胀大
4)  extrusion swell
挤出胀大
1.
Theoretical Analysis on Polymer Melt Extrusion Swell at Conical Die with Different Entrance Angles;
不同角度圆锥口模对聚合物熔体挤出胀大的影响
2.
Effect of the vibration force field on the polymer extrusion swell;
振动力场对聚合物挤出胀大的影响
3.
The extrusion swell behavior of a tube compound was studied by means of a Monsanto capillary rheometer under the conditions with temperature varied from 100 to 130 ℃ and flow rate varied from 1.
00 mm/min的条件下,考察了内胎胶料的挤出胀大行为。
5)  die swell
挤出胀大
1.
Study of Die Swell of Gas-assisted Extrusion of Polymer;
聚合物气辅挤出的挤出胀大研究
2.
Experimental Research and Forecasted System Development of Die Swell Ratio of Polymer;
聚合物挤出胀大的实验研究及预测系统开发
3.
The rheological properties and die swell of modified PVA were studied in this paper.
研究了改性PVA体系的流变性能及挤出胀大行为。
6)  extrudate swell
挤出胀大
1.
The influences of temperature, content of foaming agent and CaCO3 on the extrudate swell, and average cell diameter of polypropylene foam are investigated using improved capillary rheometer.
利用改进后的毛细管流变仪研究了温度、发泡剂与碳酸钙含量对聚丙烯发泡体系挤出胀大和泡孔直径的影响。
2.
The effects of wall slip on co-extrusion flow field, interface shape and extrudate swell were discussed.
在两侧壁面滑移系数相同和两侧壁面滑移系数不同这两种情形下分别计算了共挤出流动的速度场、压力场、黏度场及剪切速率场 ,讨论了壁面滑移对共挤出流场、界面形状和挤出胀大的影响 。
3.
The developments of investigations on extrudate swell by using numerical simulation methods are reviewed in this paper.
主要介绍了黏弹流体挤出胀大的数值模拟研究进展。
补充资料:挤出物胀大
分子式:
CAS号:

性质: 当高聚物熔体从小孔、毛细管或狭缝中挤出时挤出物在挤出模口后膨胀使其横截面大于模口横截面的现象。定量上用胀大比来表示。挤出物胀大在聚合物熔体中是常见的,这是由于聚合物熔体在模具内因流动而取向,在流出模口时分子重新蜷曲。挤出物胀大随切变速度增大而增大,在到达最大值后再下降。分子量增大和其他能增加缠结的因素(如长支链的增加)都将使挤出物胀大增大。

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