High-Speed Spinning and POY Production
topic
At winding speeds above 3,500 m/min, significant molecular orientation and partial crystallisation occur during spinning, producing partially oriented yarn (POY). POY has intermediate properties between fully drawn and undrawn yarn and is the primary feedstock for draw-texturing processes. Spinning speeds up to 8,000+ m/min have been demonstrated.
Role
High-speed spinning revolutionised polyester production by combining spinning and partial drawing in a single step, reducing capital cost and energy consumption while enabling the draw-texturing process chain.
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