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。

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.

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主要介绍聚对苯二甲酸丙二酯（PTT）的单体、聚合体和纤维的制备方法及其性质，并对PTT纤维的应用前景进行了探讨。

In this paper, a review on the prepairing technology of the monomer, polymer and fiber of PTT and their properties have been given, and the application future of PTT fibers has been discussed.

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