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Title: Effect of add-on finish and process variables on recovery properties of jet-spun polyester yarns
Authors: Tyagi, G K
Singh, Amarjot
Goyal, A
Keywords: Add-on finish;Air-jet spinning;Elastic recovery;Nozzle pressure;Polyester yarn
Issue Date: Mar-2004
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.7 D02J 1/00, D02G 3/00
Abstract: The influence of add-on finish and process variables on the recovery properties of jet-spun polyester yarns has been studied using the Box-Behnken design. It is observed that the add-on finish plays a key role in determining the immediate elastic recovery of jet-spun polyester yarns which tends to increase with the increase in level of add-on finish. Immediate elastic recovery hardly alters with spinning speed but it increases significantly with the increase in both first nozzle pressure and main draft. Both delayed elastic recovery and permanent set, on the other hand, invariably decrease with increasing main draft, and are considerably lower for the yarns spun with higher add-on finish than for the yarns spun without finish. An increase in spinning speed increases the permanent set but adversely affects the delayed recovery.
Page(s): 44-48
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.29(1) [March 2004]

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