Such methods as using high-MFI PP,improving the process temperature,enlarging the length/diameter ratio and optimizing the inlet angle of the orifice can be taken to diminish the die swell behavior of PP and decrease the folding and diameter of the fibers.
在熔喷非织造布的生产过程中,可通过选用高熔融指数的原料、提高加工温度、加大喷丝板长径比、优化喷丝孔入口角度等方式消除挤出胀大现象,减少并丝,提高非织造布质量。
参考来源 - 熔喷非织造布用聚丙烯材料的挤出胀大行为·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The die swell phenomenon of the composites was studied.
研究了复合材料的挤出胀大现象。
Resins with high die swell sometimes have high rates of die buildup.
具有高的出口膨胀的树脂可能具有更高程度的积料。
The multicomponent filled PP has shown an intermediate degree of die swell and flow instabilities.
多组分填充PP显示出中等程度的出口膨胀和流动不稳定性。
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