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.
综述了三维卷曲纤维的自卷曲结构原理和主要生产工艺，以及三维卷曲纤维的性能与应用。
The structural principle and production and application of three dimensional self crimp fibers were analysed and summarised.
综述了三维卷曲纤维的自卷曲结构原理和主要生产工艺，以及三维卷曲纤维的性能与应用。
The structural principle and production and application of three dimensional self crimp fibers were analysed and summarised.
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