Color fastness of fabrics after dyeing with fungal dyes
V Hernández, F Galleguillos, N Sagredo… - International Journal of …, 2021 - emerald.com
V Hernández, F Galleguillos, N Sagredo, A Machuca
International Journal of Clothing Science and Technology, 2021•emerald.comPurpose The study aims to test the color fastness of wool and linen fabrics dyed by simple
immersion in ethanol dissolutions of fungal dyes. Design/methodology/approach Ethanol
dissolutions of Talaromyces australis and Penicillium murcianum dyes were prepared to a
concentration of 0.3% and used to dye wool and linen samples by immersion. Color fastness
to washing, dry cleaning, wet and dry rubbing, perspiration and light, were tested according
to AATCC standards. Findings Color fastness reached acceptable results at dry cleaning …
immersion in ethanol dissolutions of fungal dyes. Design/methodology/approach Ethanol
dissolutions of Talaromyces australis and Penicillium murcianum dyes were prepared to a
concentration of 0.3% and used to dye wool and linen samples by immersion. Color fastness
to washing, dry cleaning, wet and dry rubbing, perspiration and light, were tested according
to AATCC standards. Findings Color fastness reached acceptable results at dry cleaning …
Purpose
The study aims to test the color fastness of wool and linen fabrics dyed by simple immersion in ethanol dissolutions of fungal dyes.
Design/methodology/approach
Ethanol dissolutions of Talaromyces australis and Penicillium murcianum dyes were prepared to a concentration of 0.3% and used to dye wool and linen samples by immersion. Color fastness to washing, dry cleaning, wet and dry rubbing, perspiration and light, were tested according to AATCC standards.
Findings
Color fastness reached acceptable results at dry cleaning and wet and dry rubbing by crocking but did not performed well at laundering, perspiration and light exposure. Results indicate that ethanol dissolutions of tested dyes had better affinity for wool fabrics than linen, but the dyeing method requires further improvements to be considered attractive for full scale applications.
Originality/value
In this work sustainability of fabrics dyeing is improved by using natural pigments produced by filamentous fungi and a method to dye that requires no increment of temperature and mordants.
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