Effect of Process Variables and Feeder Yarn Properties on the Properties of Core-and-Effect and Normal Air-Jet Textured Yarns

Tensile and dimensional properties of air-jet textured yarns are affected by air pressure, overfeed, and different overfeed levels of the core and effect components. There is considerable deterioration in the tenacity and modulus of yarns after texturing. Yarn breaking extension mostly decreases aft...

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Bibliographic Details
Published in:Textile research journal 2004-03, Vol.74 (3), p.259-264
Main Authors: Rengasamy, R.S., Kothari, V.K., Patnaik, A.
Format: Article
Language:English
Subjects:
Deterioration
Instability
Shrinkage
Stability
Strength
Tensile strength
Textile industry
Textiles
Texturing
Yarn
Yarns
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Summary:Tensile and dimensional properties of air-jet textured yarns are affected by air pressure, overfeed, and different overfeed levels of the core and effect components. There is considerable deterioration in the tenacity and modulus of yarns after texturing. Yarn breaking extension mostly decreases after texturing. Yarns textured at higher air pressures have poor strength and low instability. Yarns textured at higher overfeeds have poor strength and higher extension, instability, and shrinkage. Normal (parallel-feed) textured yarns are stronger and less stable with lower shrinkage values. When the difference is greater between the overfeed amounts of the core and effect components, the tensile properties deteriorate and the stability of the textured yarns improves. The stability of yarns textured with the core end wetted is better than with the effect end wetted.
ISSN:0040-5175
1746-7748
DOI:10.1177/004051750407400313