Keywords PET three different blended filament yarn;the shrinkage difference between raw yarn;the ratio of blended filamentyarn;number of twists;bulkiness;

• 关键词涤纶三异混纤纤纱;原丝间收缩差;混纤比;捻度;物理机械性能;蓬松性;卷曲稳定性;