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Natural Modified Starch and Synthetic Sizes in Function of Characteristics of Sized Yarn

Research and development

Authors:

  • Kovačević Stana
    Department of Textile Design and Management, Faculty of Textile Technology, University of Zagreb, Zagreb, Croatia
  • Đorđević Suzana
    Department of Textile, Higher Vocational School of Textiles, Leskovac, Republic of Serbia
  • Đorđević Dragan
    Department of Textile, Faculty of Technology, University of Niš, Leskovac, Republic of Serbia

Nr DOI: 10.5604/12303666.1172088

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Abstract:

The aim of this study was to investigate the changes in properties of  yarn made by sizing with synthetic and natural modified corn starch. Different procedures for obtaining modified natural (corn) starch and various combinations of natural and synthetic sizes were used to explore the differences in the properties of sized yarn. The sizing process was carried out under with constant conditions in a newly developed laboratory sizing machine on  twisted cotton yarns of 20×2 tex and 30×2 tex. According to the results obtained, yarn sized with synthetic sizes has substantially better properties than those which are naturally sized with modified starch. However, sometimes these differences are not significant or they do not exist at all. Twisted yarn is not always necessary in sizing in order to increased its strength but rather to protect the surface from wear and refine projecting fibers; in this case natural modified starch from corn can meet the requirements. The significance of this research is the application of natural sizes, improvement of the sizing process with natural modified sizes  using new achievements in the development of the sizing process, and thus creating a positive environmental and economic impact.

Tags:

yarn, natural modified starch, synthetic sizes, polyvinyl alcohol (PVA), carboxymethyl cellulose (CMC), physico-mechanical properties.

Citation:

Kovačević S, Đorđević S, Đorđević D. Natural Modified Starch and Synthetic Sizes in Function of Characteristics of Sized Yarn. FIBRES & TEXTILES in Eastern Europe  2016, Vol. 24,  1(115): 56-66. DOI: 10.5604/12303666.1172088

Published in issue no 1 (115) / 2016, pages 56–66.

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