...键词：气辅挤出、压力控制、挤出胀大、气垫膜层 [gap=6080]Key Word: Gas-assisted extrusion, Gas pressure control, Die swell, Gas layer.
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... extrudate distortion 挤出物变形 extrudate swell 挤出胀大 extrudate texturization 挤压组织化 ...
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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
研究了复合材料的挤出胀大现象。
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
Discussed thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratios of length to diameter.
对硬聚氯乙烯塑料熔体挤出胀大现象作了专项测定，讨论了产生挤出胀大现象的原因。
This paper gives a special measurement of RPVC plastic melt and discusses the reasons causing the phenomenon of extruding expansion.
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