Abstract
The behaviour of textile products made from different fibres during finishing has been investigated by many scientists, but these investigations have usually been performed with cotton or synthetic yarns and fabrics. However, the properties of raw materials such as linen and hemp (other cellulose fibres) and linen/silk (cellulose/protein fibres) have rarely been investigated. The aim of the study was to investigate and compare the mechanical (breaking force and elongation at break) and end-use (colour fastness to artificial light, area density, and abrasion resistance) properties of cellulose and cellulose/protein woven fabrics. For all fabrics, ΔE was smaller than three, which is generally imperceptible to the human eye. Flax demonstrated the best dyeability, and hemp demonstrated the poorest dyeability, comparing all the tested fabrics. The colour properties of fabrics were greatly influenced by the washing procedure, and even different fabric components of different weaves lost their colours in different ways. Flax fibres were more crystalline than hemp, and those fibres were more amorphous, which decreased the crystallinity index of flax in flax/silk blended fabric. Unwashed flax fabric was more resistant to artificial light than flax/silk or hemp fabrics. Finishing had a great influence on the abrasion resistance of fabrics. The yarn fibre composition and the finishing process for fabrics both influenced the mechanical (breaking force and elongation at break) and end-use (area density and abrasion resistance) properties of grey and finished fabrics woven from yarns made of different fibres.
Highlights
Colour fastness to artificial light and other effects has been investigated by various scientists
The data showed that colour differences in the fabrics were very small, i.e., less than two, and could not be detected by the human eye
For all fabrics, ∆E was smaller than three, which is generally imperceptible to the human eye, and there was no change in the staining colours of adjacent fabrics
Summary
Colour fastness to artificial light and other effects has been investigated by various scientists. The demand of numerical evaluations of textile colour appears because of the problematic establishing of shade difference between appropriate and invalid dyeing. All factors, such as the colour establishing method, the evaluation of acceptable limits, the importance of spectral harmonisation, the usage of direct and contactless colour evaluation systems, and the verification of dry, wet and finished fabrics’ colours, are very important for textile dyeing [1]. Reactive dyes are the textile dyes, which make the covalent bonds with textile material The fabrics dyed with reactive dyes have gloss and variety of shades They are universal in usage and have high moisture resistance [3,4]
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