The photostability of shrinkproofing polymer systems on wool fabric

Kim, J.I.; David, S.K.

doi:10.1016/0141-3910(92)90006-q

Cited by 3 publications

(3 citation statements)

References 33 publications

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“…This treatment, however, results in high levels of absorbable organic halides discharged in wastewater, an environmental concern. Both market pressure and ecological legislation have hastened the need for alternative methods for mitigating this shrinkage such as enzyme processing [5]. The enzymes break down the peptide chains within the wool scale; however, they are also capable of attacking the protein throughout the fiber.…”

Section: Introductionmentioning

confidence: 99%

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Zimmerman

Chow

Abbott

et al. 2011

Journal of Engineered Fibers and Fabrics

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In this study, we have mapped the surface charge of wool fibers using chemically specific high-resolution force spectroscopy in order to better understand the dispersion of amino acids in relation to fiber morphology. The inter-surface forces between standard atomic force microscopy (AFM) probe tips (tip radius ~ 50 nm) functionalized with COOH and NH3 terminated alkanethiol self assembling monolayers and the wool surface were used to estimate the surface charge per unit area using linear Poisson-Boltzmann-based electrostatic double layer theory. The positional measurement of nano-scale surface charge showed a correlation between the surface charge and fiber morphology, indicated that basic amino acids are located near the scale edges.

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Section: Introductionmentioning

confidence: 99%

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Zimmerman

Chow

Abbott

et al. 2011

Journal of Engineered Fibers and Fabrics

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“…(1) based on Segal's empirical formula [7]: the following Eq. (1) based on Segal's empirical formula [7]: (1) where I 9° and I 14° are the diffraction intensities at the 2ϴ of 9° and 14°, respectively.…”

Section: X-ray Diffraction Analysismentioning

confidence: 99%

“…It is well-known that the prolonged exposure of wool fi bers to sunlight, particularly ultraviolet (UV) rays, can result in the photo-yellowing, photo-tendering, and photo-degradation of wool [1]. Consequently, an increase in surface roughness and loss of mechanical strength of wool fi bers will happen [2], which are greatly infl uenced by the wavelength of incident radiation [3].…”

Section: Introductionmentioning

confidence: 99%

Photostability of TiO₂-Coated Wool Fibers Exposed to Ultraviolet B, Ultraviolet A, and Visible Light Irradiation

Tang

Zhang

Han

et al. 2021

Autex Research Journal

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This study is to investigate the role of the coating of TiO2 nanoparticles deposited on wool fibers against high-intensity ultraviolet B (UVB), ultraviolet A (UVA), and visible light irradiation. The properties of tensile and yellowness and whiteness indices of irradiated TiO2-coated wool fibers are measured. The changes of TiO2-coated wool fibers in optical property, thermal stability, surface morphology, composition, molecular structure, crystallinity, and orientation degree are characterized using diffuse reflectance spectroscopy, thermogravimetric analysis, scanning electronic microscopy, energy-dispersive X-ray spectroscopy, Fourier-transform infrared spectroscopy, and X-ray diffraction techniques. Experimental results show that the tensile properties of anatase TiO2-coated wool fibers can be degraded under the high-intensity UVB, UVA, and visible light irradiation for a certain time, resulting in the loss of the postyield region of stress–strain curve for wool fibers. The coating of TiO2 nanoparticles makes a certain contribution to the tensile property, yellowness and whiteness indices, thermal stability, and surface morphology of wool fibers against high-intensity UVB, UVA, and visible light irradiation. The high-intensity UVB, UVA, and visible light can result in the photo-oxidation deterioration of the secondary structure of TiO2-coated wool fibers to a more or less degree. Meanwhile, the crystallinity and orientation degree of TiO2 coated wool fibers decrease too.

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Biodegradation of COD from wool processing plant effluent utilizing low-cost sequencing batch reactor

Din

Lananan

Hamid

et al. 2016

Desalination and Water Treatment

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The photostability of shrinkproofing polymer systems on wool fabric

Cited by 3 publications

References 33 publications

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Photostability of TiO₂-Coated Wool Fibers Exposed to Ultraviolet B, Ultraviolet A, and Visible Light Irradiation

Biodegradation of COD from wool processing plant effluent utilizing low-cost sequencing batch reactor

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The photostability of shrinkproofing polymer systems on wool fabric

Cited by 3 publications

References 33 publications

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Variation of Surface Charge along the Surface of Wool Fibers Assessed by High-Resolution Force Spectroscopy

Photostability of TiO2-Coated Wool Fibers Exposed to Ultraviolet B, Ultraviolet A, and Visible Light Irradiation

Biodegradation of COD from wool processing plant effluent utilizing low-cost sequencing batch reactor

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Photostability of TiO₂-Coated Wool Fibers Exposed to Ultraviolet B, Ultraviolet A, and Visible Light Irradiation