Question 27 (Textile Engineering & Fibre Science)
In the context of viscose fibre production, choose the correct statements
| (A) | Ageing is an oxidative polymerization step |
| (B) | The coagulation bath requires acid for regeneration of cellulose |
| (C) | Ripening is carried out just before xanthation process |
| (D) | Xanthation is necessary for converting cellulose to alkali cellulose |
[Show Answer]
B
Frequently Asked Questions | FAQs
What is the purpose of the coagulation bath?
In textile manufacturing, coagulation bath is a process used to convert a liquid polymer into a solid fiber or fabric. The purpose of the coagulation bath is to induce a chemical reaction that causes the polymer to solidify into a solid fiber or fabric.
The coagulation bath typically consists of a liquid solution that is able to precipitate the polymer out of the liquid phase and into a solid phase. The specific composition of the coagulation bath can vary depending on the type of polymer being used and the desired properties of the final product.
During the coagulation process, the liquid polymer is extruded or spun into a coagulation bath, where it solidifies and forms a continuous fiber or fabric. The coagulation process is followed by a series of post-treatments, such as washing, stretching, and drying, which further modify the properties of the fiber or fabric.
Overall, the coagulation bath is an essential step in the manufacturing of synthetic fibers and fabrics, and it plays a crucial role in determining the properties of the final product, such as its strength, texture, and appearance.