Based on the single factorial experiment,we take the orthogonal experiment with four factorias and three levels,then get the optimized technics of PTT/CDP dualistic bulk stretched crepe.

• 在单因子实验的基础上,再设计并进行4因子3水平的正交实验,进一步得到了PTT/CDP二元混纤膨体弹力绉丝纱的优化工艺条件。