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Effect of Yarn Parameters on the Knittability of Glass Ply Yarn

Research and development

Authors:

  • Liu Xiao-Ming
    College of Textiles, Dong Hua University, Shanghai, P. R. China
  • Liu Xiao-Ming
    Engineering Research Center of Technical Textiles, Ministry of Education, Dong Hua University, Shanghai, P. R. China
  • Chen Nan-Liang
    College of Textiles, Dong Hua University, Shanghai, P. R. China
  • Chen Nan-Liang
    Engineering Research Center of Technical Textiles, Ministry of Education, Dong Hua University, Shanghai, P. R. China
  • Feng Xun-Wei
    College of Textiles, Dong Hua University, Shanghai, P. R. China

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Abstract:

Knitted glass fabrics as a kind of reinforcement have received great attention in the composites industry in recent years. Glass yarns, however, are very difficult to be processed in the knitting process due to their high stiffness, low elongation and high coefficient of friction. In this paper, the knittability of glass ply yarns, which are of different yarn parameters, were investigated by testing their mechanical performance using a self-developed knit simulating apparatus. The experimental results show that damage caused to glass yarn during the knitting process is closely related to yarn parameters. Composition modification, fibre diameter reduction, optimising of sizing formulation and yarn twist introduction can provide glass yarn with a much better performance during severe abrasive interaction.

Tags: knittablility, glass ply yarn, twist level, sizing, abrasion damage resistance.

Published in issue no 5 (70) / 2008, pages 90–93.

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