Characterization of superfine down powder

Article

Xu, Weilin, Wang, Xin, Cui, Weigang, Peng, Xuqiang, Li, Wenbin and Liu, Xin. 2009. "Characterization of superfine down powder ." Journal of Applied Polymer Science. 111 (5), pp. 2204-2209. https://doi.org/10.1002/app.29205
Article Title

Characterization of superfine down powder

ERA Journal ID1671
Article CategoryArticle
AuthorsXu, Weilin (Author), Wang, Xin (Author), Cui, Weigang (Author), Peng, Xuqiang (Author), Li, Wenbin (Author) and Liu, Xin (Author)
Journal TitleJournal of Applied Polymer Science
Journal Citation111 (5), pp. 2204-2209
Number of Pages6
Year2009
PublisherJohn Wiley & Sons
Place of PublicationHoboken, NJ. United States
ISSN0021-8995
1097-4628
Digital Object Identifier (DOI)https://doi.org/10.1002/app.29205
Web Address (URL)http://onlinelibrary.wiley.com/doi/10.1002/app.29205/pdf
Abstract

Superfine down powder was produced from down fiber after it was cut into short pieces and ground on a purpose-built machine. Scanning electron microscopy photographs showed that the down fiber was ground into particles with some fiber fragments and a large amount of rod-shaped ultrafine powder. Particle size distribution analysis indicated that the average size of the down powder was 1.546lm. Fourier transform infrared analysis showed that the absorbing peaks around 1640, 1520, and 1230 cm-1 were sharper than those of the down fiber. X-ray diffraction analysis revealed that the crystallinity of the superfine down powder was a little lower than that of the down fiber. Thermogravimetric analysis showed that the thermal stability decreased when the down fiber was ground into powder. Differential scanning calorimetry analysis showed that the intensity of the heat absorbing peaks of the down powder was lower than that of the down fiber, so the down powder decomposed more readily than the down fiber.

Keywordsdown powder; DSC; FTIR; particle size distribution; SEM; TGA
ANZSRC Field of Research 2020490406. Lie groups, harmonic and Fourier analysis
310606. Industrial molecular engineering of nucleic acids and proteins
340502. Natural products and bioactive compounds
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Byline AffiliationsWuhan University of Science and Engineering, China
Wuhan Textile University, China
Institution of OriginUniversity of Southern Queensland
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