Abstract
In order to have comprehensive understanding and better application about Modal fibers, the microstructure of Lenzing Modal (MD), Birla Modal (BLM) and Formotex Modal (FM) siro-spun yarn was investigated by XRD and FTIR spectroscopy. The tensile properties of the yarn were measured by an Instron tensile tester, the hairiness and boiling shrinkage of the three kinds modal siro-spun yarn were also investigated. The results indicate that the main chemical component of the three kinds of modal yarn are all cellulose. However, the MD shows a higher crystallinity and breaking tenacity when compares with BLM and FM. All the three kinds of modal siro-spun yarn show excellent applied properties, the hairiness and boiling shrinkage of the three kinds of yarn are small.
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