Characterization of bioscoured cotton fabrics using FT-IR ATR spectroscopy and microscopy techniques

Wang, Qiang; Fan, Xuerong; Gao, Weidong; Chen, Jian

doi:10.1016/j.carres.2006.04.048

Cited by 96 publications

(66 citation statements)

References 12 publications

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“…2b, from which more detailed information about pectin in CSC could be obtained. Absorbances in this region are associated with C=O stretch (1,745 cm -1 ) for pectic acid; C=O stretching (1,745 cm -1 ), O-CH 3 stretching (1,445 cm -1 ), and -CH 3 distortion (1,234 cm -1 ) for pectic ester; and COO -asymmetric stretch (1,614 cm -1 ) and symmetric stretch vibration (1,425 cm -1 ) for calcium pectate (Chung et al 2004;Wang et al 2006;Sene et al 1994). Cellulose is the main component in cotton seed epidermis cell wall (Reeves and Valle 1932).…”

Section: Structure Of Cotton Seed Coatmentioning

confidence: 99%

Analysis of the chemical composition of cotton seed coat by Fourier-transform infrared (FT-IR) microspectroscopy

et al. 2009

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To improve knowledge on the biodegradation of cotton seed coat fragments in bioscouring, in this study Fourier-transform infrared (FT-IR) microspectroscopy was performed to analyze the composition of cotton seed coat. Microscope observation showed that cotton seed coat has a five-layer structure: epidermal layer, outer pigment layer, colorless layer, palisade layer, and inner pigment layer. Analysis of the FT-IR spectra from each layer shows that cutin, wax, cellulose, and pectin are the main components of the epidermal layer, while pectin and hemicellulose are the main constituents of the palisade layer, as well as aromatic and polyphenol, which are commonly considered as lignins. The main component of the outer and inner pigment layers is lignin. The results suggest that cellulase, pectinase, xylanase, and lignin oxidase are suitable for degradation of cotton seed coat. In addition, cutinase might be very promising in improving the enzymatic degradation of cotton seed coat.

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Section: Structure Of Cotton Seed Coatmentioning

confidence: 99%

Analysis of the chemical composition of cotton seed coat by Fourier-transform infrared (FT-IR) microspectroscopy

et al. 2009

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“…Characteristic bands related to the chemical structure of cellulose were the hydrogen bonded OH stretching at 3550-3100 cm 1 , the CH stretching at 2900 cm 1 , and the CH wagging at 1315 cm 1 [18][19][20]. FTIR-ATR spectra of all untreated and treated fabrics showed these bands but there were some distinct peaks at 2943 cm 1 , 1737 cm 1 , C-H stretching region at 2800-3000 cm 1 was related with the amount of waxes left on the fabric.…”

Section: Ftir/atr Analysismentioning

confidence: 99%

Improvements of surface functionality of cotton fibers by atmospheric plasma treatment

2008

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This study aims to investigate the viability of atmospheric plasma treatment over raw cotton fabric surfaces as an alternative method for superseding the wet textile pre-treatment processes. For this purpose, the fabric samples were treated with air plasma and argon atmospheric plasma. Thereafter, the hydrophilicity and the wickability of plasma treated samples increased, and also the contact angles decreased significantly. Chemical changes were analyzed by FTIR-ATR and XPS. Morphological changes were observed by SEM. The results were inspected for assessing to what extent the replacement might be achieved by inducing this surface modification method.

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“…Afterwards, the fabric samples were further washed with a 2 g L -1 NaOH solution for 90 min at 98°C. Finally, the samples were washed in distilled water and dried at 105°C overnight (Wang et al 2006). …”

Section: Pretreatment Of Cotton Fabric Samplesmentioning

confidence: 99%

Water repellency improvement of cellulosic textile fibers by betulin and a betulin-based copolymer

Huang

2018

Cellulose

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Betulin is a naturally abundant and hydrophobic compound in the outer bark of birch and can readily be obtained by solvent extraction. Here, solutions of betulin were used to treat cotton fabrics and improve their water repellency. Cotton fabric impregnated in a solution of betulin in ethanol showed a contact angle for water of approximately 153°and reached a water repellency score of 70 according to a standard water repellency test method. A betulin-terephthaloyl chloride (TPC) copolymer was synthesized. Both betulin and betulin-TPC copolymer were characterized by nuclear magnetic resonance spectroscopy and Fourier transform infrared spectroscopy. The copolymer was characterized by size exclusion chromatography and differential scanning calorimetry. When impregnated with a solution of betulin-TPC copolymer in tetrahydrofuran, a cotton fabric showed a water contact angle of 151°a nd also reached a water repellency score of 70. Films based on betulin and betulin-TPC copolymer were prepared and coated onto the surface of the fabrics by compression molding. These coated fabrics showed water contact angles of 123°and 104°respectively and each reached a water repellency score of 80.

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Characterization of bioscoured cotton fabrics using FT-IR ATR spectroscopy and microscopy techniques

Cited by 96 publications

References 12 publications

Analysis of the chemical composition of cotton seed coat by Fourier-transform infrared (FT-IR) microspectroscopy

Analysis of the chemical composition of cotton seed coat by Fourier-transform infrared (FT-IR) microspectroscopy

Improvements of surface functionality of cotton fibers by atmospheric plasma treatment

Water repellency improvement of cellulosic textile fibers by betulin and a betulin-based copolymer

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