After alkali treatment the hygroscopicity, suction lift and dye uptake of BTTPF were better than those of the pure polyester filament.

碱处理后的BTTPF，其吸湿率、吸水高度和上染率比纯涤纶更佳。

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It was studied that the effects of dyeing conditions on the dye-uptake, cross sectional diameter, mechanical properties, and elastic recovery properties of PTT filament.

研究了染色条件对聚对苯二甲酸丙二酯（PTT）纤维上染率、纤维截面直径、力学性能和回弹性能的影响。

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