Effect of Spinning Systems on Properties of Dyed Egyptian Cotton Yarns after Mercerization Treatment

Ihab El-Sayed (Faculty of Industrial Education, Suez Canal University, Suez, Egypt and Colleges of Engineering, Taibah University, Madinah, Saudi Arabia)
S.M. Saleh (Cotton Research Institute, Agricultural Research Center, Chemistry Dept, Giza, Egypt)

Research Journal of Textile and Apparel

ISSN: 1560-6074

Publication date: 1 November 2015


The effects that spinning technology and spinning parameters have on the color strength (K/S), strength, and breaking elongation of post dyed and mercerized yarns are investigated in this study. The emphasis of the study is on the selection of long stable Egyptian cotton varieties, namely Giza 80, Giza 86, and extra long stable Giza 92. The cotton samples are spun by using compact, ring, and open end spinning technologies. For the purpose of this study, different yarn counts and twist multipliers are used. The mechanical properties, such as the tensile strength and breaking elongation of the produced yarn are investigated and compared before and after the mercerization treatment (slack and tension), followed by a reactive dyeing process. All of the samples are prepared for dyeing after mercerization. The dyeing performance in terms of the K/S is studied. When the results are examined, it is found that the samples that have undergone (bleaching + slack mercerization + reactive dyeing) generally have higher K/S values than samples that have undergone (bleaching + tension mercerization + reactive dyeing) and (bleaching + non-mercerization + reactive dyeing) respectively. Open-end spun yarns have a higher K/S compared to the compact and ring spun yarns with the lowest count yarn and twist level. The strength percentages are higher for compact, then ring and finally open-end spun yarns respectively with tension mercerization. There is no noticeable difference in the elongation% for all of the treatment processes. The authors have used quality engineering reproducibility and repeatability (R&R) tools to guarantee the repeatability and reproducibility of the results in this research paper.



El-Sayed, I. and Saleh, S. (2015), "Effect of Spinning Systems on Properties of Dyed Egyptian Cotton Yarns after Mercerization Treatment", Research Journal of Textile and Apparel, Vol. 19 No. 4, pp. 48-56. https://doi.org/10.1108/RJTA-19-04-2015-B005

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