Characterization of Degradation of Cotton Cellulosic Fibers Through Near Infrared Spectroscopy

Near infrared (NIR) spectroscopy has been found to be one of the most important characterization tools for polymeric materials based on comparatively simple NIR-favorable chemical groups (i.e., C–H, O–H, and N–H). This paper focuses on characterizing degradation of cotton cellulosic fibers in a hist...

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Bibliographic Details
Published in:Journal of polymers and the environment 2013-12, Vol.21 (4), p.902-909
Main Authors: Yan, Jinjiang, Villarreal, Nicole, Xu, Bugao
Format: Article
Language:English
Subjects:
Applied sciences
Biodegradation
Cellulose fibers
Chemistry
Chemistry and Materials Science
Cotton
Degradation
Discoloration
Environmental Chemistry
Environmental Engineering/Biotechnology
Exact sciences and technology
Fibers
Fibers and threads
Forms of application and semi-finished materials
Industrial Chemistry/Chemical Engineering
Infrared radiation
Infrared spectroscopy
Materials Science
Original Paper
Polymer industry, paints, wood
Polymer Sciences
Principal components analysis
Spectroscopy
Spectrum analysis
Technology of polymers
Textiles
Wavelengths
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Summary:Near infrared (NIR) spectroscopy has been found to be one of the most important characterization tools for polymeric materials based on comparatively simple NIR-favorable chemical groups (i.e., C–H, O–H, and N–H). This paper focuses on characterizing degradation of cotton cellulosic fibers in a historical textile—‘Curtain Dress’ in the famous movie Gone With the Wind through NIR spectroscopy, and investigating morphological and molecular changes associated with appearance change such as discolorations in the same cotton textiles. In this study, we did on-site testing on the ‘Curtain Dress’ with the Brimrose Luminar 5030 NIR-analyzer and analyzed the NIR spectroscopy results at eight locations where different degrees of discoloration occurred on the dress. The study identified the wavelength bands according to NIR spectral absorbancies of the typical functional groups in cellulosic fibers such as C–H, C–O and O–H stretches, compared the absorbance intensities at three main wavelengths, and investigated discoloration in different areas via principal component analysis. The combination factor scores of the 1st and 2nd principal components, which accounted for 99.09 % variance of vibrations within various groups in a molecule measured through NIR, reflected effectively morphological changes in the fiber’s molecular structure and degrees of discolorations.
ISSN:1566-2543
1572-8919
1572-8900
DOI:10.1007/s10924-013-0605-z