The effects of T30S and Z30S chips, spinning process and drawing process on yarn irregularity of coarsedenier PP filament were analyzed.
分析了T30S,Z30S两种切片及其纺丝拉伸等工艺对粗旦丙纶长丝不匀率的影响。
2
The degumming process at high temperature and pressure with environmental_protection effect for the natural yellow silk and coarsedenier silk fabrics was searched.