Bleaching and dyeing of superfine wool powder/polypropylene blend film

Wang, Xin, Xu, Weilan, Cui, Weigang, Li, Wenbin and Wang, Xungai 2008, Bleaching and dyeing of superfine wool powder/polypropylene blend film, Research journal of textile and apparel, vol. 12, no. 4, pp. 12-20.

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Title Bleaching and dyeing of superfine wool powder/polypropylene blend film
Author(s) Wang, Xin
Xu, Weilan
Cui, Weigang
Li, Wenbin
Wang, Xungai
Journal name Research journal of textile and apparel
Volume number 12
Issue number 4
Start page 12
End page 20
Publisher Hong Kong Polytechnic University
Place of publication Hong Kong
Publication date 2008
ISSN 1560-6074
Keyword(s) wool
polypropylene
blend
bleaching
dyeing
fibre science
Summary Fibers based regenerated protein draw much attention for recycling discarded protein resources and can produce biodegradable and environmental friendly polymers. In this study, superfine wool powder is blended with polypropylene (PP) to produce wool powder/PP blend film through extrusion and hot-pressing. Hydrogen peroxide is used to bleach the black colored surface of the blend films. The effects of peroxide concentration, bleaching time and powder content on the final whiteness and mechanical properties of the blend films are investigated.

The bleached films are dyed with acid red dyes and the dyed color is evaluated using a Computer Color Matching System. Color characters of dyed films, such as L*, a*, b*, ΔE*ab, C*ab and K/S values are measured and analyzed. The study not only reuses discarded wool resources into organic powder, widens the application of superfine wool powder on polymers, but also improves the dyeing properties of PP through the addition of protein content.

Language eng
Field of Research 091012 Textile Technology
Socio Economic Objective 869999 Manufacturing not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Persistent URL http://hdl.handle.net/10536/DRO/DU:30018003

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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