A Rapid Method for Determining the Sorption Characteristics of Textile Materials 1

Finnimore, E.; Wortmann, F J

doi:10.1177/004051758005001104

Cited by 2 publications

(2 citation statements)

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“…The kinetic parameters were obtained by applying Fick's diffusion equation to a cylinder. Although early studies had claimed that wool attained very rapid equilibrium in sorption experiments, subsequent experiments clearly showed that it took an appreciable time for wool to achieve equilibrium in an air flow using 1g samples (Finnimore & Wortmann, 1980).…”

Section: Introductionmentioning

confidence: 98%

The water vapour sorption characteristics and kinetics of different wool types

Ormondroyd

Curling

Mansour

et al. 2016

The Journal of The Textile Institute

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The water vapour sorption characteristics and kinetics of different wool types The water vapour sorption behaviour of a range of sheep wool types and alpaca was studied using dynamic vapour sorption. Sorption isotherms have been interpreted using the polymer sorption model developed by Vrentas and Vrentas. Satisfactory fits were obtained for absorption and desorption isotherms with the adjustment of parameters outside of the scope of what is allowed. This is possibly because the underlying Flory-Huggins approach does not take into account any clustering of sorbate within the polymer. Water clustering in the wool fibre, determined using the Zimm-Lundberg clustering function, starts above a fibre moisture content of approximately 20%. Sorption kinetics was analysed using the parallel exponential kinetics model, providing excellent fits and allowed for calculation of a fibre modulus at different relative humidities; the values were reasonable at the upper end of the hygroscopic range, but were overestimated at the lower end of the range.

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Section: Introductionmentioning

confidence: 98%

The water vapour sorption characteristics and kinetics of different wool types

Ormondroyd

Curling

Mansour

et al. 2016

The Journal of The Textile Institute

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“…Water retention reaches 40-45%, because of low crystallinity, the existence of interfibrillar micro-capillaries and numerous hydrophilic groups. 28,[30][31][32] Leeder and Watt 33 have found that in 25% RH there are about 1.4 water molecules per one amine group, while in 65% RH there are 2.6 water molecules. An amine group is able to produce three hydrogen bonds, and if it is accessible, it may bind to three water molecules (in about 80% RH).…”

Section: Sorption and Changes In Concentration Of Nicotine And 3-epmentioning

confidence: 99%

Fibers susceptibility to contamination by environmental tobacco smoke markers

Cieślak

Schmidt

Świercz

et al. 2013

Textile Research Journal

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Textiles are characterized by a diversified and relatively high susceptibility to sorption of volatile substances and may influence indoor air quality. The aim of this study was investigation the susceptibility of fibers to sorption of two environmental tobacco smoke (ETS) markers: nicotine and 3-ethenylpyridine (3-EP) and changes in concentrations of these substances in fibers under light exposure. For this purpose, we used non-colored, natural and synthetic fibers, which had not been subjected to any modification. It was observed that nicotine as pure or as one of the ingredients of ETS was adsorbed on the surface of all of the used fibers, and cotton and polypropylene fibers adsorbed it more than other fibers. 3-EP (in ETS) was adsorbed by synthetic fibers and when we used high concentrations of 3-EP in the air it was adsorbed on the surface of cotton fibers in the presence of synthetic fibers. The greatest susceptibility for simultaneous sorption of nicotine and 3-EP (in ETS) was observed for polypropylene fibers. Results show that nicotine is a better marker for ETS contamination of textile materials than 3-EP.

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A Rapid Method for Determining the Sorption Characteristics of Textile Materials 1

Abstract: A new method is presented for the rapid determination of the water-sorption properties of wool over the complete range of relative humidities. The apparatus and method of operation are described, and an example of a sorption curve for merino wool top is given.

Cited by 2 publications

References 4 publications

The water vapour sorption characteristics and kinetics of different wool types

The water vapour sorption characteristics and kinetics of different wool types

Fibers susceptibility to contamination by environmental tobacco smoke markers

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