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Twisting Characteristics of Rotor-Spun Composite Yarns

Research and development

Authors:

  • Zhang Haixia
    College of Textiles, Dong Hua University, Shanghai, P. R. China
  • Zhang Haixia
    Department of Textiles, Henan Textiles College, P. R. China
  • Xue Yuan
    College of Clothing and Art Design, Jiaxing University, Jiaxing, P. R. China

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Abstract:

At two filament over-feed ratios, different kinds of rotor-spun composite yarns were produced by combining staple fibres with filament yarns under varying twisting factors. The yarn tensions were measured, and the effects of twist factors on the characteristics of composite yarns were investigated. The polyester filament in the composite yarn is twisted with the cotton strand and follows a helical path. When the filament tension increases with increasing yarn twist factors and filament over-feed ratio, the filament yarn tends to lie near the inner layer of the composite yarn, and the properties of composite yarns will change accordingly. Compared with the normal rotor-spun yarn, the appearance of composite yarns is clearer, the structure is much tighter, and the properties are improved.

Tags:

twisting characteristic, rotor-spun composite yarn, twist factor, filament over-feed ratio, tension

Published in issue no 2 (56) / 2006, pages 17–19.

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