This paper introduces the key step of fully shrinking for suitable elasticity in cheesedyeing of PTT filament core-spun elastic yarn and staple blended yarn.
The article introduces new technical and process for core-spun spandex before or after cheesedyeing, and try to keep and recover the elasticity of spandex in finishing.
并在后整理时采用一定的方法使应力回缩，恢复氨纶纱的特性。
3
The main elements to influence dyeing quality of package dyed yarn are detailedly introduced from the aspects of cheese shaping, winding density, dyeing equipment, water quality and dyestuffs purity.