Influence of modification methods on colour properties of a linen fabric dyed with direct dyes

Estonian Academy of Sciences. Proceedings

Aina Bernava¹ 

关键词: linen fabric;    alkali;    enzyme;    pretreatment;    colour characteristics;    rubbing fastness;    mechanical properties.;   

DOI  :  10.3176/proc.2018.2.03

学科分类：化学（综合）

来源: Teaduste Akadeemia Kirjastus

【 摘 要 】

Linen textiles appear to be some of the oldest in the world. Nowadays flax fibres are coming back to the fashionindustry 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 arecurrently used for dyeing textile materials in order to repair and consolidate the threads. Unfortunately, these dyes have onlymoderate fastness properties. Many studies have been conducted to improve substantivity of anionic direct dyes for cellulosicmaterials. In most cases the suggested methods are expensive and technologically complicated. We examined the colourproperties of the fabric dyed with direct dyes in the case the linen fabric was modified by alkali and enzyme BEISOL PROtreatment. To evaluate the modification effect, the colour characteristics before and after light test were used, and the fastness torubbing as well as mechanical properties were determined. The colour characteristics of dyed fabrics and the fastness to rubbingdiffered depending on the used dye. The wet fastness to rubbing was lower than the dry fastness. The tensile strength andelongation in the warp direction were superior in all cases and did not depend on the used dye. The influence of modification typeon fabric light resistance was not significant.

【 授权许可】

CC BY-NC