Environmental regulations imposed by world renowned
associations have forced the global community to use eco-friendly and
sustainable dyed products in applied fields. The current study has been
concerned with the effect of ultrasonic radiation on the extraction of Hematein
from logwood and its application onto wool fabric. The extraction was carried
out by boiling respective amount of powder into methanolic medium, the extract
obtained and wool fabrics were exposed to ultrasonic radiation for 15, 30, 45
and 60 min. Dyeing of irradiated and un-irradiated fabric was carried out using
irradiated and un-irradiated extracts at 70 0C for 45 min. keeping
material to liquor ratio of 1:25. For improvement in shades, salts of Al and
Iron and tannic acid (TA) as chemical mordants and extracts of Zeera (Cuminum cyminum), Harmal (Peganum harmala), and Turmeric (Curcuma Longa) as source of bio
mordants have been employed at 70 0C for 45 min. keeping material to
liquor ratio of 1:25. It is found that extract after US treatment for 45 min.
has given good colour strength onto un-irradiated wool. The colour strength
results show that 1% Al, 3% Fe, 7% Tannic acid as pre- chemical mordants, where
as 7% of Zeera, Harmal and Turmeric extracts as pre-bio-mordants have given
good colour strength and excellent color coordinates, where as 1% Al, 7% Fe, 7%
Tannic acid as post- chemical mordants, where as 3% of Zeera, 7% Harmal and 7% Turmeric
extracts as post bio-mordants have given good colour characteristics at mild
conditions. It is inferred that ultrasonic treatment for 45 min. has enhanced
the coloring behavior of wool using hematein extracted from logwood chips.
Primary Language | English |
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Subjects | Wearable Materials |
Journal Section | Articles |
Authors | |
Publication Date | June 30, 2019 |
Submission Date | July 6, 2018 |
Acceptance Date | May 28, 2019 |
Published in Issue | Year 2019 Volume: 29 Issue: 2 |