Journal
ORIENTAL JOURNAL OF CHEMISTRY
Volume 32, Issue 4, Pages 2235-2242Publisher
ORIENTAL SCIENTIFIC PUBL CO
DOI: 10.13005/ojc/320456
Keywords
Wool; Descaling; Nano abrasive CaCO3; Ultrasonic; tenacity; directional friction; SEM
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Up to now, the most conventional methods for descaling of wool fibre are based on chemical degradation and resin covering of scales or a combination of them. These methods are producing wastewater and can cover physical properties of the fibres beside scales orderly. In this study, a new and clean method is developed on the basis of abrasion effect of calcium carbonate Nano particles (CCNP) in an ultrasonic bath. Woolen Samples (fibre and yarn) were sonicated with different levels of CCNP. Tensile properties of the yarns, directional friction effect of the fibres and scanning electron microscope images of the fibres were studied. Test results showed that sonicated Nano treatment of wool yarn reduced its tenacity, extension and work of rupture and increased its coefficient of friction. Scanning electron microscope images of fibres and measurement of fibres directional displacement confirmed descaling of Nano abrasive treated wool samples in comparison to the raw wool.
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