Fashion Designers main strategy is to reproduce their creative ideas as per season on clothes, dyeing knowledge will enhance their work and colour disputes occurring at the end of production can be avoided.
Dyes meant for fabrics for natural origin/synthetic origin varies in different structural characteristics. Dyes are classified as natural, acid, reactive, vat, disperse, pigment, fluorescent. Natural dye stuffs are eco friendly in nature they lack in brightness certain colours lacks affinity towards the fabric. Wool and polyamide fibres are dyed using acid colours. Cotton fibres are dyed using reactive, vat, pigment dyes. Reactive dyes gives brightness to the fabric, vat are dull but have good fastness properties. Disperse dyes are used to dye polyester fabrics.
Equipments for dyeing varies according to the length of fabric i.e short/long run. Short lengths are dyed in jiggers continuous lengths are dyed in a continuous dyeing padding mangle. Prior to dyeing laboratory matching of the colour desired should be done and preset tolerance limitations are defined.
Knowledge of colour theory, visiting web sites like clariant. BASF will give some insights of the dyestuffs used as input for the design and its limitations in meeting various quality standards as desired by the consumer.
A good dyeing is achieved with good preparation of the fabric prior to dyeing. Fabrics undergone mercerization process especially cotton will have good affinity towards dyes. After-treatment refers to thoroughly washing the residual dyes after dyeing process is over. Poor dyeing will have centre to salvedge variations, patches, streaks, batch variations.