ESTONIAN ACADEMY
PUBLISHERS
eesti teaduste
akadeemia kirjastus
PUBLISHED
SINCE 1952
 
Proceeding cover
proceedings
of the estonian academy of sciences
ISSN 1736-7530 (Electronic)
ISSN 1736-6046 (Print)
Impact Factor (2022): 0.9
Influence of modification methods on colour properties of a linen fabric dyed with direct dyes; pp. 131–137
PDF | https://doi.org/10.3176/proc.2018.2.03

Authors
Aina Bernava, Skaidrite Reihmane
Abstract

Linen textiles appear to be some of the oldest in the world. Nowadays flax fibres are coming back to the fashion industry thanks to their freshness, comfort, and innovative technologies providing the elegance of and demand for linen clothing. Direct dyes are popular for dyeing cellulosic fibres due to their reasonable price and easy use. As the first synthetic dyes they are currently used for dyeing textile materials in order to repair and consolidate the threads. Unfortunately, these dyes have only moderate fastness properties. Many studies have been conducted to improve substantivity of anionic direct dyes for cellulosic materials. In most cases the suggested methods are expensive and technologically complicated. We examined the colour properties of the fabric dyed with direct dyes in the case the linen fabric was modified by alkali and enzyme BEISOL PRO treatment. To evaluate the modification effect, the colour characteristics before and after light test were used, and the fastness to rubbing as well as mechanical properties were determined. The colour characteristics of dyed fabrics and the fastness to rubbing differed depending on the used dye. The wet fastness to rubbing was lower than the dry fastness. The tensile strength and elongation in the warp direction were superior in all cases and did not depend on the used dye. The influence of modification type on fabric light resistance was not significant.

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