Spreading of Liquids in Textile Assemblies

Kawase, Tokuzō; Sekoguchi, Sakiko; Fuj, Tomiko; Minagawa, Motoi

doi:10.1177/004051758605600702

Cited by 59 publications

(8 citation statements)

References 8 publications

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“…The film was purchased from Toray (Lumilar film, 50 pm thick), and the fabric was muslin of staple fibers (17.3 mg/cm2 yarn density 23 X 23 (W X F), and porosity 62.9%). They were purified as described previously (5). It has been widely accepted that a fluorine-containing finish is needed to lower the surface freeenergy of fibers to repel oils with surface tensions ranging from 20 to 30 mN/m (1).…”

Section: Methodsmentioning

confidence: 99%

Fluoroalkylation of Polyester Surface Part I. Fluoroalkylation of Polyester Surface with Block Copolymers Containing Fluoroalkyl Groups.

et al. 1993

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Polyester surface was modified with block copolymers containing fluoroalkyl groups. The surface of the modified polyester was characterized using contact angle measurements of a two-liquid-phase system and ESCA spectroscopy. The fluoroalkyl groups on the polyester surface influenced both dispersive and polar components of surface free energy, and both of them decreased with increasing treating temperature.The surface cover ratios based on the contact angles were linearly correlated to the relative peak intensities of F15 peak in ESCA spectra and surface free energies as well. The effect of fluoroalkylation on soil release properties of fabrics was also investigated by the washing experiments using squalane, triolein and oleic acid as oily soils. Regardless of the kind of oily soil and washing liquor, the removal first decreased, and then increased with increasing fluorine content. The first decrease was discussed in terms of the work of adhesion between oil and polyester fabric, and the next increase was related to the oil repellency of the fabric.

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Section: Methodsmentioning

confidence: 99%

Fluoroalkylation of Polyester Surface Part I. Fluoroalkylation of Polyester Surface with Block Copolymers Containing Fluoroalkyl Groups.

et al. 1993

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“…The first techniques were based on using colored liquids [13,14] and these techniques have been used by many researchers [10,[15][16][17]. However, the application of dyes has a lot of disadvantages because the kinetics of water can be more important than that of dye and the diffusion coefficient presents the value of the diffusion coefficient of the dye, not of the liquid [10,13,14]. Ferrero et al used potassium chromate aqueous solution, instead of dye solution, because it is an inorganic salt without affinity toward synthetic fibers [11].…”

Section: Introductionmentioning

confidence: 99%

Development of the automated software and device for determination of wicking in textiles using open-source tools

et al. 2020

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The development of automated software and the device for determination of wicking of textile materials, using open-source ImageJ libraries for image processing, and newly designed additional algorithm for the determination of threshold, is presented in this paper. The description of the device, design of the open-source software “Kapilarko”, as well as an explanation of the steps: image processing, threshold determination and reading of wicking height, are provided. We have also investigated the possibility of using the artificial neural networks for automatic recognition of the wicking height. The results showed that the recognition of the wet area of the sample, based on the application of artificial neural networks was in a very good agreement with the experimental data. The device's utility for the measurement of wicking ability of textile materials was proved by testing various knitted fabrics. The constructed device has the advantages of providing automated measurement and minimization of the subjective errors of the operators; extremely fast or long-term measurements; digital recording of results; consistency of experimental conditions; possibility of using water instead of colors and, last but not least, low cost of the device. Considering the importance and frequent measurements of wicking ability of textile materials, the advantages of the presented device, as well as the fact that commercial software without publishing the source-code, are used for most of the available devices, we believe that our idea to design the automated software and device by applying the "open-source" approach, will be of benefit to scientists and engineers in using or improving wicking experiments.

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“…Through wicking, the liquid is transmitted in the in‐plane direction and in the cross‐plane direction. Wicking depends on the wetting behavior of the nonwoven absorbent media, the pore geometry of the media and the characteristics of the liquid used 3–6…”

Section: Introductionmentioning

confidence: 99%

Dependence of the liquid absorption behavior of nonwovens on their material and structural characteristics: Modeling and experiments

Das

Pradhan

Pourdeyhimi

2012

J of Applied Polymer Sci

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Nonwovens are widely used as liquid absorbent products. Baby diapers, sanitary napkins, adult incontinence pads, oil sorbents, wet wipes, and wound dressings, to name a few, are excellent examples of the use of nonwovens as absorbent media. The performance of nonwoven absorbent media is determined by its liquid absorption behavior, which is characterized by the capacity of absorption and the rate of absorption. In this article, we report on the effects of the physical characteristics of the constituent fibers and the internal structure of the nonwovens on their liquid absorption behavior. A theoretical model of liquid absorption behavior of nonwovens was developed, and this model was verified with a set of experimental results obtained on real nonwoven materials.The nonwoven materials were prepared with polyester fibers with different cross-sectional sizes and their liquid absorption properties were measured with the gravimetric absorbency testing system. We observed that the size of fiber cross sections and the porosity of the nonwovens played very important roles in determining their absorbent capacity and rate of absorption. The results of the experiments were discussed in light of the theoretical model. The theoretical results were found to be in good agreement with the experimental results.

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Spreading of Liquids in Textile Assemblies

Cited by 59 publications

References 8 publications

Fluoroalkylation of Polyester Surface Part I. Fluoroalkylation of Polyester Surface with Block Copolymers Containing Fluoroalkyl Groups.

Fluoroalkylation of Polyester Surface Part I. Fluoroalkylation of Polyester Surface with Block Copolymers Containing Fluoroalkyl Groups.

Development of the automated software and device for determination of wicking in textiles using open-source tools

Dependence of the liquid absorption behavior of nonwovens on their material and structural characteristics: Modeling and experiments

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