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Fiber World

New Development In Filament Manufacturing

In a joint development, Switzerland-based Barmag and DuPont, Wilmington, Del., commissioned the first commercial Evospeed® production machine for POY. The machine can increase the production rate for PET-POY commodity yarns by up to 50 percent using a newly developed quenching concept, without the use of polymer modifiers. The special pneumatic quench design allows a constant thread tension of the filaments over a wide speed range, so that even at higher winding speeds, filaments do not develop orientation. The yarn properties of yarns produced on the Evospeed machine are comparable to those of a conventionally spun POY or HOY yarn according to DuPont and Barmag.A United Kingdom-based customer is in the process of installing a second machine, which is due to go into operation at the end of May.


May 2001




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