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Concept
Textile industry
Summary
The textile industry is primarily concerned with the design, production and distribution of textiles: yarn, cloth and clothing. The raw material may be natural, or synthetic using products of the chemical industry.
Textile manufacturing
Cotton is the world's most important natural fibre. In the year 2007, the global yield was 25 million tons from 35 million hectares cultivated in more than 50 countries.
There are five stages of cotton manufacturing:
Cultivating and Harvesting
Preparatory Processes
Spinning — giving yarn
Weaving — giving fabrics
Finishing — giving textiles
Artificial fibres can be made by extruding a polymer, through a spinneret (polymers) into a medium where it hardens. Wet spinning (rayon) uses a coagulating medium. In dry spinning (acetate and triacetate), the polymer is contained in a solvent that evaporates in the heated exit chamber. In melt spinning (nylons and polyesters) the extruded polymer is cooled in gas or air and then sets. Some examples of synthetic fibers are; polyester, rayon, acrylic fibers and microfibers. All these fibres will be of great length, often kilometres long. Synthetic fibers are more durable than most natural fibers and will readily pick-up different dyes .
Artificial fibres can be processed as long fibres or batched and cut so they can be processed like natural fibre.
Sheep, goats, rabbits, silkworms, and other animals, as well as minerals like asbestos, are sources of natural fibers (cotton, flax, sisal). These vegetable fibers can originate from the seed (cotton), the stem (bast fibres: flax, hemp, jute), or the leaf (sisal). All of these sources require a number of steps, each of which has a distinct name, before a clean, even staple is produced. All of these fibers, with the exception of silk, are short, only a few centimeters long, and have a rough surface that allows them to adhere to other like staples .
Textile manufacturing by pre-industrial methods There are some indications that weaving was already known in the Palaeolithic.
Official source
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Textile manufacturing (or textile engineering) is a major industry. It is largely based on the conversion of fibre into yarn, then yarn into fabric. These are then dyed or printed, fabricated into cloth which is then converted into useful goods such as clothing, household items, upholstery and various industrial products. Different types of fibres are used to produce yarn. Cotton remains the most widely used and common natural fiber making up 90% of all-natural fibers used in the textile industry.
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