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FTIR and thermal analysis of cashmere and other animal fibres
conference contribution
posted on 2005-01-01, 00:00 authored by Huimin Wang, Xin LiuXin Liu, Xungai WangIn this paper, sereval varieties of animal fibres including cashmere and Australian fine Merino wool have been analysed by Fourier transform infrared microscope and differential scanning calorimeter. The results showed that both Chinese and Australian cashmere fibres started absorbing heat at a relatively higher temperature but were thermally degraded quicker than other animal fibres tested. However, the mass changes (within the temperature range of 200oC to 350oC) and associated onset temperatures varied among fibre varieties. From the attenuated total reflectance spectra, the Chinese cashmere was clearly different from Australian cashmere and wool in a peak near 1040 cm-1 wavelength for S-O stretching of cysteic acid residues. The Chinese cashmere presented a stronger absorption at 1019 cm-1 wavelength, while Australian cashmere and wool peaked at 1079 cm-1 wavelength and had a weaker absorption. Combined with thermal analysis, the normalised R-SO3 - content of cysteic acid residues to the amide II peak of the protein backbone may have potential use in identifying Australian fine Merino wool from Chinese cashmere.
History
Event
International Cashmere Determination Technique Seminar (3rd : 2005 : Erdos, Inner Mongolia)Pagination
217 - 228Publisher
[International Cashmere Determination Technique Seminar]Location
Erdos, Inner MongoliaPlace of publication
[Erdos, Inner Mongolia]Start date
2005-09-21End date
2005-09-25Language
engPublication classification
E1 Full written paper - refereedEditor/Contributor(s)
Z Zhi, Z Meirong, T Jun, Y Guifen, Z Hong, W CuifangTitle of proceedings
Proceedings of the 3rd International Cashmere Determination Technique Seminar - Paper collectionUsage metrics
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