An improved test method for characterizing the dynamic liquid moisture transfer in porous polymeric materials

Yao, Bao-guo; Li, Yi; Hu, Junyan; Kwok, Y.L.; Yeung, K.W.

doi:10.1016/j.polymertesting.2006.03.014

Cited by 107 publications

(78 citation statements)

References 2 publications

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“…It is observed (Figure 9c,d) that the uncoated woven face of the bifacial fabric has the highest MAR (the initial slope of water content curve), indicating a rapid water spreading on the woven face, in agreement with previous studies [35], but the knitted face reflected a lower MAR than the woven face by comparing the first and third columns of Figure 9c, which actually implies that more water is absorbed by the knitted structure instead of spreading on the knitted surface according to the measurement principle of the MMT [52,57]. Therefore, the knitted surface can be more suitable to improve the transportation of liquids by rapid absorption of water into the fabric, whereas the woven face shows outstanding water spreading behavior along its in-plane direction.…”

Section: Analysis Of the Indices From The Mmtsupporting

confidence: 90%

Directional Trans-Planar and Different In-Plane Water Transfer Properties of Composite Structured Bifacial Fabrics Modified by a Facile Three-Step Plasma Treatment

et al. 2017

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Fabrics with moisture management properties are strongly expected to benefit various potential applications in daily life, industry, medical treatment and protection. Here, a bifacial fabric with dual trans-planar and in-plane liquid moisture management properties was reported. This novel fabric was fabricated to have a knitted structure on one face and a woven structure on the other, contributing to the different in-plane water transfer properties of the fabric. A facile three-step plasma treatment was used to enrich the bifacial fabric with asymmetric wettability and liquid absorbency. The plasma treated bifacial fabric allowed forced water to transfer from the hydrophobic face to hydrophilic face, while it prevented water to spread through the hydrophobic face when water drops were placed on the hydrophilic face. This confirmed one-way water transport capacity of the bifacial fabric. Through the three-step plasma treatment, the fabric surface was coated with a Si-containing thin film. This film contributed to the hydrophobic property, while the physical properties of the fabrics such as stiffness and color were not affected. This novel fabric can potentially be used to design and manufacture functional and smart textiles with tunable moisture transport properties.

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Section: Analysis Of the Indices From The Mmtsupporting

confidence: 90%

Directional Trans-Planar and Different In-Plane Water Transfer Properties of Composite Structured Bifacial Fabrics Modified by a Facile Three-Step Plasma Treatment

et al. 2017

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“…Test solution (synthetic sweat) at a predefined amount was given to the top side of the fabric; and the spreading of this liquid from the upper surface of the fabric outward and from the bottom surface of the fabric outward were examined as well as its conductivity from the top surface to the bottom surface. In this method, the fabric's moisture management properties were determined by measuring the electrical resistance change between the two fabric surfaces after liquid was dropped on the top surface of the fabric (Yao, Li, Hu, Kwok, & Yeung, 2006). The results obtained by this test method is a general expression of water permeability, water repellency, water absorption, wicking of the fibers and yarns, and depends on the geometric and internal structures of fabrics.…”

Section: Methodsmentioning

confidence: 99%

Thermophysiological comfort properties of selected knitted fabrics and design of T-shirts

Öner

Okur

2014

The Journal of The Textile Institute

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Thermal comfort is one of the most important components of comfort which shows physiological, psychological, and physical harmony between human body and environment. The heat and moisture transfer capacity of fabric from skin to environment affects the thermal comfort of garments. The transfer capacity depends on the characteristic features of raw materials and fabric structural properties. In this study, it is aimed to determine the advantages of knitted fabric types, taking into account the environmental condition and activity level by measuring the thermal comfort properties such as air permeability, wicking, moisture management, thermal and water vapor resistances. Two knitted structures composed of tuck and float combinations and six raw materials were chosen for the fabrics produced. According to the measurement results, the polyester and cotton/Coolmax fabrics with float stitches have had good liquid moisture transport properties. Besides, high air permeability and low water vapor resistance have been obtained in viscose and Tencel LF fabrics with tuck stitches. On the basis of the results obtained in this investigation, and taking into consideration thermal behavior of human body, four women's and five men's T-shirts are designed. These T-shirt designs may be helpful for further approaches on the optimization of thermal comfort for sports activities in hot environment.

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“…A standard testing method provided with equipment and software has been available to measure the multidimensional liquid diffusion capacity of porous textile material [26]. Ten indices (seen in Table 1) characterizing the dynamic multidimensional liquid diffusion property are provided and measured with values [27]. Provided with these measurable data, these coefficients may be given a new definition and obtain effective value for the model parameterization by analyzing the involved physical mechanism.…”

Section: Measurable Parameterizationmentioning

confidence: 99%

Numerical Heat Transfer Coupled with Multidimensional Liquid Moisture Diffusion in Porous Textiles with a Measurable-Parameterized Model

Mao

2009

Numerical Heat Transfer, Part A: Applications

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An improved test method for characterizing the dynamic liquid moisture transfer in porous polymeric materials

Cited by 107 publications

References 2 publications

Directional Trans-Planar and Different In-Plane Water Transfer Properties of Composite Structured Bifacial Fabrics Modified by a Facile Three-Step Plasma Treatment

Directional Trans-Planar and Different In-Plane Water Transfer Properties of Composite Structured Bifacial Fabrics Modified by a Facile Three-Step Plasma Treatment

Thermophysiological comfort properties of selected knitted fabrics and design of T-shirts

Numerical Heat Transfer Coupled with Multidimensional Liquid Moisture Diffusion in Porous Textiles with a Measurable-Parameterized Model

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