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Wet process engineering is the most significant division in textile preparation and processing. It is a major stream in textile engineering, which is under the section of textile chemical processing and applied science. Textile manufacturing covers everything from fiber to apparel; covering with yarn, fabric, fabric dyeing, printing, finishing ...
Dyeing is commonly carried out with an anionic direct dye by completely immersing the fabric (or yarn) in an aqueous dye bath according to a prescribed procedure. For improved fastness to washing, rubbing and light, further dyeing methods can be used. These require more complex chemistry during processing, and are thus more expensive to apply.
Dyeing Pigments for sale at a market in Goa, India Cotton being dyed manually in contemporary India Silk dye in pan on stove. Khotan. Dyeing is the application of dyes or pigments on textile materials such as fibers, yarns, and fabrics with the goal of achieving color with desired color fastness.
In textile processing, stripping is a color removal technique employed to partially or eliminate color from dyed textile materials. Textile dyeing industries often face challenges like uneven or flawed dyeing and the appearance of color patches on the fabric's surface during the dyeing process and subsequent textile material processing stages.
Dye Plants and Dyeing (2nd ed.). A&C Black. ISBN 978-0-7136-6374-7. Cardon, Dominique (2016). The Dyer's Handbook Memoirs On Dyeing (Translation into English of an anonymous French manuscript held in a private collection consisting of four essays produced around 1763. ed.). Oxford, Philadelphia: Oxbow Books. ISBN 9781785702112. OCLC 950262477.
The bleaching, dyeing, printing, and finishing stages of the textile industry are mostly to blame because they use water as their main medium to put dyes and chemicals on textiles. [ 15 ] [ 6 ] In the last few decades, it has become an increasingly important part of a dyer's job to think about how dyes and processes affect the environment. [ 1 ]
Chemical resist dyeing is a modern textile printing method, commonly achieved using two different classes of fiber reactive dyes, one of which must be of the vinyl sulfone type. A chemical-resisting agent is combined with dye Type A, and printed using the screenprint method and allowed to dry.
Scouring removes soluble and insoluble impurities found in textiles as natural, added and adventitious impurities: for example, oils, waxes, fats, vegetable matter, as well as dirt. Removing these contaminants through scouring prepares the textiles for subsequent processes such as bleaching and dyeing . [ 1 ]