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Finishing

Aims of Textile Finishing

The final chemical treatments of the fabric which are carried out to impart special characteristics e.g. softening, stiffening, crease resisting, flame retarding, soil release effect etc. is known as textile finishing. The aim of the finishing is to improve the outward appearance and the quality of the fabric, and impart its specific properties.

Definition and classification of fabric Finishing

Fabric direct from the loom is unattractive. To make the fabric attractive and acceptable to the consumer several finishing processes are applied. Sometimes special finishes are also applied to the fabric to make it serviceable for particular end use.

Yarn Finishing System

Contains the process sequence of Finishing for yarn. It includes yarn twist setting, cone winding from ring cops to cone by cone winding , ordinary cone winding specifications, slub catcher settings , splicing, production calculation.

Finishing of textile products

Finishing encompasses chemical or mechanical treatments performed on fibre, yarn, or fabric to improve appearance, texture, or performance. Some of the fabric finishing methods are-Brushing, Shearing, Pressing, Raising, Beetling, Calendaring, Folding, etc. Finishing can be carried out in 3 stages i.e. Pre-treatment, coloration and Finishing.

Textile Printing

Fabrics are often printed with colour and patterns using a variety of techniques and machine types. It is the process of transferring colour, pattern, motif or decoration of one or more colours in any one of a variety of methods or techniques to fabric. It involves the surface application of colour in a predetermined pattern, design or motif by manual or mechanical directed discharge, direct or resist methods.

Types of Dyes – classification based on chemical structure

The Dyes are classified based on the fibers to which they can be applied and the chemical nature of each dye. Dyes are complex unsaturated aromatic compounds fulfilling characteristics like intense color, solubility, Substantiveness, and fastness. Dyes can be defined as the different type of coloring particles which differ in each type from the other in chemical composition and are used for coloring fabrics in different colors and shades which are completely soluble in liquid media.

Dyeing Methods

Dyeing can be performed using continuous or batch processes. Yarn dyeing is used to create interesting checks, stripes, and plaids with different-colored yarns in the weaving process. Substances which cause these changes are called dyestuffs.