Wicking in twisted yarns

This paper investigated vertical wicking in twisted yarns. A mathematical model was developed based on a capillary penetration mechanism. By using a macroscopic force balance approach, the wicking time was derived as a function of the capillary rise of the liquid. Packing of fibers in the yarn was a...

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Bibliographic Details
Published in:Journal of colloid and interface science 2008-02, Vol.318 (1), p.134-139
Main Authors: Liu, Tao, Choi, Ka-fai, Li, Yi
Format: Article
Language:English
Subjects:
Capillary penetration mechanism
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Models, Theoretical
Shear Strength
Stress, Mechanical
Surface physical chemistry
Textiles
Twisted yarn
Wicking
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Summary:This paper investigated vertical wicking in twisted yarns. A mathematical model was developed based on a capillary penetration mechanism. By using a macroscopic force balance approach, the wicking time was derived as a function of the capillary rise of the liquid. Packing of fibers in the yarn was assumed to be uniform. In order to validate our model, a series of experiments was conducted on polyester yarns. The results showed a good agreement between the experimental data and the theoretical predictions. The influence of twist level of the yarn on the capillary flow was also investigated. Wicking behavior of a liquid in a twisted yarn can be described by the theory developed in this paper.
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2007.10.023