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Title: Influence of draw-off nozzle type on characteristics of polyester-viscose rotor-spun yarns
Authors: Kaushik, R C D
Tyagi, G K
Salhotra, K R
Keywords: Draw-off nozzle;Polyester-viscose yarn;Rotor-spun yarn;Twist translation efficiency;Tex twist factor;Wrapper fibres
Issue Date: Mar-1994
Publisher: NISCAIR-CSIR, India
Abstract: The effects of yarn twist, yarn composition and draw-off nozzles (notched and spiral) on the properties of polyester-viscose rotor-spun yarns have been studied. It is observed that the surface characteristics of the draw-off nozzle have greater influence on the polyester fibre yarns than on viscose fibre yarns. Yarns spun from 100% polyester fibre or its blend with viscose rayon exhibit considerably higher tenacity, breaking extension, unevenness and imperfections than the viscose fibre yarns. Notched draw-off nozzle produces stronger, more extensible and more even yarns. The improvement, however, depends upon the yarn composition and tex twist factor.
Page(s): 7-11
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.19(1) [March 1994]

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