GATE (TF) Textile 2013 Question Paper Solution | GATE/2013/TF/03

Question 3 (Textile Engineering & Fibre Science)

Wet spinning technique is commercially used to produce filament yarn of

(C)Nylon 66
Answer / Solution
[Show Answer]

Option D

Frequently Asked Questions | FAQs

What are the advantages of wet spinning?

Wet spinning is a textile manufacturing process that involves dissolving a polymer in a liquid solution and then extruding it through a spinneret into a coagulating bath to solidify the polymer fibers. There are several advantages of wet spinning, which include:
Versatility: Wet spinning allows for the production of a wide range of fiber types, including synthetic fibers such as polyester, nylon, and rayon, as well as natural fibers such as cellulose-based fibers. This versatility enables the creation of fibers with varying properties, such as strength, flexibility, and durability, which can be tailored for specific applications.

Fiber Morphology Control: Wet spinning provides greater control over the morphology or structure of the fibers compared to other spinning methods. The coagulation bath used in wet spinning can be manipulated to adjust the rate of coagulation, which affects the size, shape, and orientation of the resulting fibers. This allows for customization of the fiber properties to meet specific requirements, such as improved tensile strength, elongation, and other mechanical properties.

Scalability: Wet spinning is a scalable process, making it suitable for large-scale production of fibers. The process can be easily adapted to different production volumes, from small-scale laboratory production to high-volume industrial production, making it a cost-effective option for commercial manufacturing.

Efficient Production: Wet spinning is a relatively fast process compared to other spinning methods, as the fibers solidify quickly upon contact with the coagulating bath. This allows for high production rates and efficient fiber production.

Fiber Purity: Wet spinning typically results in high-quality, pure fibers as the spinning solution is often purified before extrusion, minimizing impurities in the final product. This makes wet-spun fibers suitable for various applications where purity and consistency are important, such as in medical textiles, filtration media, and high-performance technical textiles.

Fiber Customization: Wet spinning offers the advantage of being able to incorporate additives or functional materials into the spinning solution, allowing for the production of fibers with enhanced properties. For example, additives such as dyes, flame retardants, or antimicrobial agents can be easily incorporated into the spinning solution to create fibers with specific functionalities.
Eco-friendly: Wet spinning is often considered a more environmentally friendly spinning method compared to other methods, as it typically involves the use of water-based coagulation baths and fewer chemicals. This can result in lower environmental impact and reduced waste generation compared to other spinning methods that use harsh chemicals or solvents.
In summary, wet spinning offers numerous advantages, including versatility, fiber morphology control, scalability, efficient production, fiber purity, fiber customization, and eco-friendliness. These advantages make wet spinning a popular and widely used method for producing various types of fibers for diverse applications in the textile industry.

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