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Title: Response of polyester-viscose blends to air-jet spinning
Authors: Kaushik, R C D
Salhotra, K R
Tyagi, G K
Keywords: Air-jet spinning;Murata-jet spinner;Polyester-viscose yarn;Yarn properties
Issue Date: Dec-1992
Publisher: NISCAIR-CSIR, India
Abstract: Unlike ring yarns, air-jet yarns owe their surface cohesion to wrappers and their formation could be related not only to the turbulence in the two nozzles but also to the combined influence of the fibre properties and other process parameters. This paper reports the contribution of polyester fibre denier, spinning speed and second nozzle pressure to the characteristics of polyester-viscose yarns spun on Murata-jet spinner. It is observed that MJS yarns are slightly weaker, more even, have fewer imperfections and higher extension, flexural rigidity and elastic recovery. An increase in second nozzle pressure and spinning speed causes an increase in the yam tenacity and flexural rigidity but has an adverse effect on yarn evenness. Breaking extension, on the other hand, decreases with increase in second nozzle pressure and decrease in spinning speed.
Page(s): 219-223
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:Special issue: IJFTR Vol.17(4) [December 1992]

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