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Internal structure and pigment granules in colored alpaca fibers

Wang, Huimin, Liu, Xin and Wang, Xungai 2005, Internal structure and pigment granules in colored alpaca fibers, Fibers and polymers, vol. 6, no. 3, pp. 263-268.

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Title Internal structure and pigment granules in colored alpaca fibers
Author(s) Wang, Huimin
Liu, Xin
Wang, Xungai
Journal name Fibers and polymers
Volume number 6
Issue number 3
Start page 263
End page 268
Publisher Korean Fiber Society
Place of publication Seoul, Korea
Publication date 2005-09
ISSN 1229-9197
1875-0052
Keyword(s) alpaca fibers
pigment granules
morphology
mechanical properties
particle size distribution
Summary Alpaca fibers have some distinct properties such as softness and warmth, which have not been fully understood in combination with the fiber internal structures. In the present investigation, the internal structures of alpaca fibers have been closely examined under the scanning electron microscope (SEM), especially in the longitudinal direction. The results showed that numerous pigment granules reside loosely inside pockets in brown and dark-brown alpaca fibers. These pigment granules were mainly distributed inside the cortical cells, the medullation regions as well as underneath the cuticles. Their size in the brown alpaca fibers was smaller and more uniformly round than in the dark-brown fibers. These granules in colored alpaca fibers loosen the bundle of cortical cells, providing many crannies in the fibers which may contribute to the superior flexibility, warmth and softness of the fibers. Moreover, there are no heavy metal elements found in the granules. The mordant hydrogen peroxide bleaching employed could eliminate the pigment granules and create many nano-volumes for further dyeing of fibers into more attractive colors.
Notes The original publication is available at springerlink.com.
Language eng
Field of Research 091012 Textile Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003049

Document type: Journal Article
Collections: School of Engineering and Technology
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.