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Research Article

Single-stage coloration and multiple finishing of cotton with eucalyptus leaves extracts

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Pages 969-983 | Published online: 04 Jun 2020
 

ABSTRACT

Eucalyptus plant leaves contain many chemical constituents that are responsible for different functional finishing and dyeing. An eco-friendly natural dyeing and multifunctional finishing has been formulated from extracts of eucalyptus leaves. The formulation is designed by design expert software by considering many factors that affect the dyeing and finishing behavior. Both dye material and essential oil were extracted by using water and ethanol as solvent by Soxhlet extraction instrument. The extraction efficiency percentage was higher in the case of ethanol extraction in ethanol (32.78%) than that of extraction in water (26.17%). Water-extracted material used as a dyeing media for cotton fabric gives a yellow color to the substrate with optimum K/S value. The essential oil extracted by ethanol was used as an antibacterial agent, insect repellent, and aroma treatment. The essential oil has a great influence on the bacterial growth for both gram-negative and gram-positive bacteria, and shows 100% bacterial reduction percentage for both types of bacteria. Essential oil extracted from Eucalyptus Globulus leaves have a great repellent rate for insects to the extent of 90% and aroma intensity of 72%, and good durability.

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