The performance of anionic fiber is analyzed. The anionic fiber and cotton blended yarn has been spun, And the anion launching amounts of this yarn are tested.

This paper introduces the key step of fully shrinking for suitable elasticity in cheese dyeing of PTT filament core-spun elastic yarn and staple blended yarn.

It has special technological characters to have a combined spinning of ramie and cotton blended spandex core spun slub yarn on cotton spinning equipment.