Textile technology is very important for better yarn or fabric, the better fabric helps the developing garments products like t-shirt, jeans polo shirt etc. The terms of textile originally applied only on woven fabric. But the terms textile and plural textile are also applied to fibers filament and yarns. Natural and manufacturing and most products for which these are principal raw materials. In the structure of fabric, Fabric is a flexible planar substance constructed from solution. Fibers, yarns, or fabrics in any combination.
Yarn manufacturing technology is the first process of textile technology. Yarns are collect from different spinning mill. Where used different raw materials. In this process and it’s the first step of yarn processing.
Raw Cotton >> Blow Room>>Lap
Lap>>Carding>>Carded Sliver
Carded Sliver>>Drawing 1>>Drawn Sliver
Breaker Sliver>>Drawing 2>>Finisher Drawn Sliver
Finisher Drawn Sliver>>Simplex/ Speed Frame>>Roving
Roving>>Ring Frame>>Yarn
Yarn>>Winding>>Yarn In Large Package.
The textile fiber is the materials which consist fibrous structure and whose length is thousand times longer than they are wide and can spun into yarn, suitable for weaving or knitting and easily colored by suitable dyestuff are known as textile fiber. The conditions of the yarn produced on spinning machine are not always good enough for fabric formation. Package size, yarn surface characteristics and other factors make it necessary for both warp yarn and weft yarn to be further processed for efficient fabric formation. The preparatory process is more necessary in fabric manufacturing process.
Dyeing and dying Machine
Dying process is carried out using mechanical means dyeing or wetting process. The dyeing liquor is distributed homogeneously onto the fabric. In second stage the dye penetrates into the fabric and then fixed. At the end of the process the material is washed.
The machine provides sufficient movement for the liquor to penetrate uniformly into every part of goods. The liquor movement shouldn’t be vigorous that it damages the finer materials. Machine must be constructing of a materials which will withstand pronged boiling with acid or alkaline solution. Heating arrangement should be such that uniform temperature could be maintained. There should be some means of adding the concentrated dyestuff solution in such a way that it becomes well diluted against the corrosive action of stem and acidic atmospheric condition.
Solution dyeing
pigments or dyestuffs are dispersed in the spinning solution where the fibers are manufactured. There some difficulties in this process of obtaining color on fabric.
Fiber Dyeing
fiber are dying in there loose state where the fiber are less langled and dyed thoroughly. Fiber dying is expensive to produce. There is better penetration of the dye into the fiber which processes a higher degree of color fastness of color fastness fabric. Direct, sulfur, vat and developed dyes are used on cellulose fiber.
Yarn Dyeing
yarn are dyed by the three methods namely, skein dyeing, package dyeing and beam dyeing. Yarn dying is best adapted to large quantity dyeing. Gingham, chambrays. Denims and madras are dyed by this method.
Garments Technology
Bangladesh is the first place in the area for textile and garments industries due to better garments product and cheap production cost and constructive trade’s status with US, UK, AUS countries. There is huge yarn and fabric demands supply in RMG industries. Now a days about 80%-90% of this demand is met by imports from different countries of the world. There are many product are served by the garments like T-shirt, Gents, polo shirt, and many others and the garments accessories is threads, bottons, lining, interlining, labels, care labels etc.
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