Evaluation of water absorption and transport property of fabrics

Tang, Ka-Po Maggie; Kan, Chi Wai; Fan, Jintu

doi:10.1080/00405167.2014.942582

Cited by 62 publications

(43 citation statements)

References 210 publications

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“…In contrast, S/M/PE fibers gained almost 20 wt % weight in 1 h. Due to the hydrophilic nature of soy, water absorption rate was high and equilibrated to about 20 wt % in approximately 1 h. This moisture absorption property is important for fibers/fabrics because it improves their comfort. Neat LLDPE fibers/fabrics can trigger a clingy (or sticky) sensation due to the lack of removal of moisture from the skin (perspiration) …”

Section: Resultsmentioning

confidence: 99%

Soy‐filled polyethylene fibers for modified surface and hydrophilic characteristics

Güzdemir¹,

Lukubira²,

Ogale³

2018

J of Applied Polymer Sci

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By adding soy flour (soy) to linear low‐density polyethylene (LLDPE), soy‐PE fibers with enhanced hydrophilic characteristics were developed. Blends containing only soy and LLDPE had limited draw‐down, and the resulting thick fibers showed poor mechanical properties. When monoglyceride was added as a compatibilizer, thin fibers with good properties could be successfully spun due to improved dispersion of soy agglomerates in the LLDPE melt. Fibers spun from a blend containing 23/7/70 wt % of soy‐monoglyceride‐LLDPE displayed a tensile modulus and strength of 615 ± 38 and 57 ± 8 MPa, respectively. At 30% less synthetic content, these fibers still displayed mechanical properties generally comparable to those of base polyethylene fibers. Contact angle measurements showed that the soy‐based fibers had a hydrophilic surface (contact angle of 33° ± 4°). Moisture absorption studies confirmed that soy‐PE fibers gained about 20 wt % moisture in 1 h, whereas neat LLDPE fibers did not absorb any significant amount (LLDPE is hydrophobic). This hydrophilic behavior of soy‐PE fibers mimics that of natural fibers. Presence small soy agglomerates on the fiber surface also provides a textured surface and a desired tactile feel to the soy‐PE fibers, which coupled with hydrophilic behavior indicates their potential use in disposable nonwovens. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46609.

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Section: Resultsmentioning

confidence: 99%

Soy‐filled polyethylene fibers for modified surface and hydrophilic characteristics

Güzdemir¹,

Lukubira²,

Ogale³

2018

J of Applied Polymer Sci

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“…In the published literature on subjective comfort perception of clothing materials, majority of the works have focused upon tactile or thermal aspects (Stuart et al 1989;Fritz 1990;Schneider and Holcombe 1991;Sukigara et al 1993;Bishop 1996;Cardello et al 2003;Hui et al 2004;Schutz et al 2005). Little research seems to have been carried out in the area of moisture-related sensation (Sweeney 1988;Sweeney and Branson 1990a,b;Sukigara and Niwa 1997;Kaplan and Okur 2009;Yokura and Sukigara 2010;Tang et al 2014b). Traditionally, the psychological scaling approach has usually been applied.…”

Section: Prior Art Regarding Subjective Assessment Of Moisture-relatementioning

confidence: 99%

Psychophysical Measurement of Wet and Clingy Sensation of Fabrics by the Volar Forearm Test

Tang

Kan

Fan

2015

Journal of Sensory Studies

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Wet and clingy sensation caused by fabric is activated by thermoreceptors and mechanoreceptors and is critical to wearers' thermophysiological and tactile comfort. This study aims at quantifying the absolute threshold for wet and clingy sensation of apparel fabrics using a psychophysical approach and measuring the residual moisture left on skin through a physical approach. A volar forearm test is proposed where water supply and controlled fabric movement are used to simulate sweating and body movement during wear. The results show that the volar forearm test has good withinjudge reliability, between-judge consistency and high sensitivity. The difference in absolute threshold of wet and clingy sensation of fabrics can be attributed to the difference in wicking rate, evaporation rate, geometry and thermal properties of fabrics. The results further suggest that a clingy sensation is triggered when the residual water accumulated on the skin exceeds 0.013 gram, given that the covering fabric is water absorbent. Besides, the absolute threshold for wet and clingy sensation was found strongly correlated with the instrumentally measured water absorption capacity of the fabric. Furthermore, results obtained by the psychophysical threshold method were compared with the psychological wetness rating scale method, and the former was found to be advantageous in terms of testing sensitivity.

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“…Moisture properties of fabrics are then measured via the application of different technologies, e.g. gravimetric, observation, optical, electrical and temperature-based methods (Tang et al 2014b). Although these tests are quick, easy and relatively cost-effective, they do not fully simulate the conditions in which liquid moisture absorption and transfer occur, such as in the clothed human body during physical work.…”

Section: Introductionmentioning

confidence: 99%

“…Acknowledging the lack of time-and cost-effective test methods, the ultimate goal of this study was to assess whether IRT could be used as an indirect method to estimate garment regional sweat content in a quick and 'non-destructive' fashion. Furthermore, the fast image acquisition could allow assessments of garment sweat content immediately after physical exercising, minimising the risk for moisture migration and moisture evaporation from the garment, which is the main drawback of some lengthy tests (Tang et al 2014b).…”

Section: Introductionmentioning

confidence: 99%

The use of infrared thermal imaging to measure spatial and temporal sweat retention in clothing

et al. 2019

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In our previous laboratory study a 'destructive' gravimetric method was developed to quantify local garment sweat absorption. While this currently is the only methodology that permits direct and analytical measurements of garment regional sweat absorption, the latter approach is time-consuming and expensive, therefore, of limited applicability. As such, in this study, we wanted to assess whether infrared thermography could be used as an indirect method to estimate garment regional sweat absorption, right after exercise, in a 'non-destructive' fashion. Spatial and temporal sweat absorption data, obtained in our previous study, were correlated with spatial and temporal temperature data obtained in the same experiment with an infrared thermal camera. The data suggest that infrared thermography is a good tool to qualitatively predict regional sweat absorption in garments at separate individual time points; however, temporal changes are not predicted well, due to a moisture content threshold above which variations in sweat content cannot be discriminated by further temperature changes.

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Evaluation of water absorption and transport property of fabrics

Cited by 62 publications

References 210 publications

Soy‐filled polyethylene fibers for modified surface and hydrophilic characteristics

Soy‐filled polyethylene fibers for modified surface and hydrophilic characteristics

Psychophysical Measurement of Wet and Clingy Sensation of Fabrics by the Volar Forearm Test

The use of infrared thermal imaging to measure spatial and temporal sweat retention in clothing

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