通过改善聚丙烯熔体的流变性能、调整拉伸和变形工艺、控制卷绕张力和油剂加入量，可有效地提高丙纶bcf的卷曲性能。
By improving PP melt rheological properties, adjusting draw-texturing process, controlling winding tension and oil content, the crimping property of PP - BCF yarn can be improved effectively.
剪切流变数据表明：加入一定量扩链剂能够增加熔体的表观粘度。
Shear rheological data showed that the apparent viscosity increased with the addition of a certain amount of chain extenders.
针对具有不同熔体流会指数（MI）的PA材料，得出最佳的扩链剂加入量；
The optimal dosage of chain extender was selected to PA1010 with different melt index (MI);
针对具有不同熔体流会指数（MI）的PA材料，得出最佳的扩链剂加入量；
The optimal dosage of chain extender was selected to PA1010 with different melt index (MI);
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